Advanced Functional Materials and Coatings Laboratory

N-Annulation of the BTI Rylene Imide Organic Building Block: Impact on the Optoelectronic Properties of π-Extended Molecular Structures

José María Andrés Castán, Sana Abidi, Tatiana Ghanem, Saad Touihri, Philippe Blanchard, Gregory C. Welch, Yulian Zagranyarski, Julien Boixel, Bright Walker, Pierre Josse, Clément Cabanetos

Colorants - Special Issue

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Systematic Investigation of Core and Endcap Selection on the Development of Functional π-Conjugated Materials

Josh D. B. Koenig, Anderson Hof, Akpeko Gasonoo, Gregory C. Welch

Chemistry of Materials

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Scalable Non-Halogenated Co-solvent System for Large-Area, Four-Layer Slot-Die-Coated Organic Photovoltaics

Muhammad Rizwan Niazi, Rahim Munir, Renita M. D’Souza, Timothy L. Kelly, Gregory C. Welch

ACS Applied Materials and Interfaces

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Layer-by-Layer Processed Organic Photovoltaic Cells Using Slot-Die-Coating Methods and Non-halogenated Solvents under Ambient Conditions with PCE of 10%

Advanced Materials Interfaces

Pandeng Li, Anderson Hoff, Akpeko Gasonoo, Muhammad R. Niazi, Maryam Nazari, Gregory C. Welch

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An N-Annulated Perylene Butyl Tetraester for Alcohol Processed Semiconducting Organic Thin Films

Flexible and Printed Electronics - Special Issue

Kathryn Wolfe, Madison Mooney, Chloe Crep, Simon Rondeau-Gagne, Gregory C. Welch

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Sidechain Engineered N-PDIs Processed from Ethyl Acetate as Effective Cathode Interlayers for Organic Solar Cells

Advanced Engineering Materials

Anderson Hoff, Mark Martell, Akpeko Gasonoo, Josh D. B. Koenig, Pablo Simón Marqués, Edward Cieplechowicz, Majid Pahlevani, Gregory C. Welch

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Boosting CO2-to-CO Evolution Using a Bimetallic Diketopyrrolopyrrole Tethered Rhenium Bipyridine Catalyst

Catalysis Science & Technology

Cody R. Carr, Josh D. B. Koenig, Michael J. Grant, Warren E. Piers, Gregory C. Welch

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AzaBenzannulated Perylene Diimide Multimers as Electron Acceptors for Organic Solar Cells

Materials Chemistry Frontiers

Aline Makhloutah, Anderson Hoff, Antoine Goujon, Gregory C. Welch, Pietrick Hudhomme 

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An Alcohol Soluble N-Annulated Perylene Diimide Cathode Interlayer for Air-processed, Slot-Die Coated Organic Photovoltaic Devices and Large Area Modules

Solar RRL

Anderson Hoff, Akpeko Gasonoo, Majid Pahlevani, Gregory C. Welch

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New Perylene Diimide Ink for Interlayer Formation in Air-Processed Conventional Organic Photovoltaic Devices

ACS Applied Materials and Interfaces

Mahmoud E. Farahat, Michael A. Anderson, Mark Martell, Erin L. Ratcliff, Gregory C. Welch

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Cellulose Nanocrystals-Tin Oxide Hybrid Electron Transport Layers for Solar Energy Conversion

Advanced Materials Interfaces

Muhammad Rizwan Niazi, Heng Zhao, Renaud Miclette Lamarche, Rahim Munir, Simon Trudel, Jinguang Hu, Gregory C. Welch

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Thiochromenocarbazole Imide: A New Organic Dye with First Utility in Large Area Flexible Electroluminescent Devices

Materials Chemistry Frontiers

José María Andrés Castán, Amruth C, Pierre Josse, Laura Abad Galan, Pablo Simón Marqués, Magali Allain, Olivier Maury, Tangui Le Bahers, Philippe Blanchard, Cyrille Monnereau, Gregory C. Welch, Clément Cabanetos

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Development of Tetrameric N-Annulated Perylene Diimides Using “Click” Chemistry

ChemSusChem

Josh D. B. Koenig, Mahmoud E. Farahat, Gregory C. Welch

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Introduction to Organic Electronics – Ecofriendly and/or sustainable materials, processes, devices, and applications

Journal of Materials Chemistry C

Gregory C. Welch

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Promoting Photocatalytic CO2 Reduction Through Facile Electronic Modification of N-Annulated Perylene Diimide Rhenium Bipyridine Dyads

Chemical Science

Josh D. B. Koenig, Warren E. Piers, Gregory C. Welch

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Green Solvent-Processible N-H Functionalized Perylene Diimide Materials for Scalable Organic Photovoltaics

ACS Applied Materials and Interfaces

Richard D. Pettipas, Anderson Hoff, Benjamin S. Gelfand, Gregory C. Welch

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Tin Oxide Electron Transport Layers for Air/Solution Processed Conventional Organic Solar Cells

ACS Applied Materials and Interfaces

Anderson Hoff, Mahmoud E. Farahat, Majid Pahlevani, Gregory C. Welch

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Air-Processed Organic Photovoltaics for Outdoor and Indoor Use Based upon a Tin Oxide-Perylene Diimide Electron Transporting Bilayer

Advanced Materials Interfaces

Rahim Munir, Edward Cieplechowicz, Renaud Miclette  Lamarche, Roman Chernikov, Simon Trudel, Gregory C. Welch

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Three-dimensional Nanoscale Morphology Characterization of Ternary Organic Solar Cells

Small Methods

Ting Yu, Wanting He, Maziar Jafari, Tugrul Guner, Pandeng Li, Mohamed Siaj, Ricardo Izquierdo, Baoquan Sun, Gregory C. Welch, Aycan Yurtsever, Dongling Ma

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Sidechain Engineering of N-Annulated Perylene Diimide Molecules

New Journal of Chemistry

Mark Martell, Michael U. Ocheje, Benjamin S. Gelfand, Simon Rondeau-Gagné, Gregory C. Welch

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Ambient Condition, 3-Layer Slot-Die Coated Organic Photovoltaics with PCE of 10%

Advanced Materials Interfaces

Francesco Tintori, Gregory C. Welch

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Photodeposited Polyamorphous CuOx Hole-Transport Layers in Organic Photovoltaics

ACS Applied Energy Materials

Nicholas M. Randell, Renaud Miclette Lamarche, Franceso Tintori, Roman Chernikov, Gregory C. Welch, Simon Trudel

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Uphill and Downhill Charge Generation from Charge Transfer to Charge Separated States in Organic Solar Cells

Journal of Materials Chemistry C

Shahidul Alam,  Vojtech Nádaždy, Tomáš Váry, Christian Friebe, Rico Meitzner, Johannes Ahner, Aman Anand, Safakath Karuthedath, Catherine S. P. De Castro, Clemens Göhler, Stefanie Dietz, Jonathan Cann, Christian Kästner, Alexander Konkin, Wichard Beenken, Arthur Markus Anton, Christoph Ulbricht,   Andreas Sperlich, Martin D. Hager, Uwe Ritter, Friedrich Kremer, Oliver Brüggemann, Ulrich S. Schubert, Daniel A. M. Egbe, Gregory C. Welch, Vladimir Dyakonov, Carsten Deibel, Frédéric Laquai, Harald Hoppe

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Zinc Oxide-Perylene Diimide Hybrid Electron Transport Layers for Air-Processed Inverted Organic Photovoltaic Devices

ACS Applied Materials and Interfaces

Edward Cieplechowicz, Rahim Munir, Michael A. Anderson, Erin L. Ratcliff, Gregory C. Welch

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An Air-Stable N-Type Bay-and-Headland Substituted Bis-Cyano N–H Functionalized Perylene Diimide for Printed Electronics

Journal of Materials Chemistry C - Organic Electronics : Ecofriendly and/or sustainable materials, processes, devices, and applications - special issue

Irene E. Park, Samantha Brixi, Mark Martell, Michael U. Ocheje, Richard D. Pettipas, Dylan H. Harris, Benjamin S. Gelfand, Simon Rondeau-Gagné, Benoit H. Lessard, Gregory C. Welch 

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Lowering Electrocatalytic CO2 Reduction Overpotential Using N-Annulated Perylene Diimide Rhenium Bipyridine Dyads with Variable Tether Length

Journal of the American Chemical Society

Josh D. B. Koenig, Zachary S. Dubrawski, Keerthan R. Rao, Janina Wilkkomm, Benjamin S. Gelfand, Chad Risko, Warren E. Piers, Gregory C. Welch

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N-Annulated Perylene Diimide Dimers and Tetramer Non-Fullerene Acceptors: Impact of Solvent Processing Additive on Their Thin Film Formation Behavior

Journal of Chemical Technology & Biotechnology - Special Issue on Green and Sustainable Applied Materials Research in Canada

Audrey Laventure, Samantha Stanzel, Abby-Jo Payne, Benoît H Lessard, Gregory C. Welch

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Slot-Die Coating of all Organic/Polymer Layers For Large-Area Flexible OLEDs: Improved Device Performance with Interlayer Modification

Advanced Materials Technologies

Amruth C, Deepak K. Dubey, Majid Pahlevani, Gregory C. Welch

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Slot-Die Coated Organic UV Indicators and Filters Processed from Green Solvents

Advanced Sustainable Systems

Mahmoud E. Farahat, Gregory C. Welch

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Impact of Ring-Fusion on the Excited State Decay Pathways of N-Annulated Perylene Diimides

The Journal of Physical Chemistry C

Ifeanyi K. Madu, Hanjie Jiang, Audrey Laventure, Paul M. Zimmerman, Gregory C. Welch, Theodore Goodson III

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Light Manipulation using Organic Semiconducting Materials for Enhanced Photosynthesis

Cell Reports Physical Science

Jackie Zorz, William D.L.  Richardson, Audrey Laventure, Marianne Haines, Edward Cieplechowicz, Alireza Aslani, Agasteswar Vadlamani, Joule Bergerson, Gregory C. Welch, Marc Strous

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Perylene Diimide based Non-Fullerene Acceptors: Top Performers and an Emerging Class Featuring N-Annulation

Journal of Materials Chemistry A

Vikas Sharma, Josh Koeing, Gregory C. Welch

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Hybrid Tetrameric Perylene Diimide Assemblies

ChemSusChem - Advanced organic solar cells - special issue

Jonathan Cann, Mahmoud E. Farahat, Gregory C. Welch

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Improved Performance of Solution Processed OLEDs Using N-Annulated Perylene Diimide Emitters with Bulky Side-Chains

Materials Advances

Sergey Dayneko, Edward Cieplechowicz, Sachin Bhojgude, Jeffrey F. Van Humbeck, Majid Pahlevani, Gregory C. Welch

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Organic Light Emitting Diodes (OLEDs) with Slot-Die Coated Functional Layers

Materials Advances

C. Amruth, Majid Pahlevani, Gregory C. Welch

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Significant Photostability Enhancement of Inverted Organic Solar Cells by Inserting an N-Annulated Perylene Diimide (PDIN-H) Between the ZnO Electron Extraction Layer and the Organic Active Layer

ACS Applied Energy Materials 

Mozhgan Sadeghianlemraski, Cayley R. Harding, Gregory C. Welch, Hany Aziz

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Atomic Precision Graphene Model Compound for Bright Electrochemiluminescence and Organic Light-Emitting Diodes

ACS Applied Materials and Interfaces

Liuqing Yang, Arthur D. Hendsbee, Qin Xue, Shuijian He, Cindy R. De-Jager, Guohua Xie, Gregory C. Welch, Zhifeng Ding

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Slot-Die Coated Ternary Organic Photovoltaics for Indoor Light Recycling

ACS Applied Materials and Interfaces

Mahmoud E. Farahat, Audrey Laventure, Michael A. Anderson, Mathieu Mainville, Francesco Tintori, Mario Leclerc, Erin L. Ratcliff, Gregory C. Welch

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High Open-Circuit Voltage Roll-to-Roll Compatible Processed Organic Photovoltaics

Journal of Materials Chemistry C

Francesco Tintori, Audrey Laventure, Josh Koenig, Gregory C. Welch

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Acid Dyeing for Green Solvent Processing of Solvent Resistant Semiconducting Organic Thin Films

Materials Horizons

Cayley Harding, Jonathan Cann, Audrey Laventure, Mozhgan Sadeghianlemraski, Marwa Abd-Ellah, Keerthan Rao, Benjamin Sidney Gelfand, Hany Aziz, Loren Kaake, Chad Risko, Gregory C. Welch

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Side‐Chain Engineering of Perylene Diimide Dimers: Impact on Morphology and Photovoltaic Performance

Nano Select

Francesco Tintori , Audrey Laventure, Rayane El‐Berjawi, Edward Cieplechowicz, Lareeb Umer, Piétrick Hudhomme, Gregory C. Welch

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Synthesis, Characterization, and use of Benzothioxanthene Imide Based Dimers

Chemical Communications

José María Andres Castan, Clément Dalinot, Sergey Dayneko, Laura Abad Galán, Pablo Simon Marques, Olivier Alévêque, Magali Allain, Olivier Maury, Ludovic Favereau, Philippe Blanchard, Gregory C. Welch, Clement Cabanetos

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A N-H Functionalized Perylene Diimide with Strong Red-light Absorption for Green Solvent Processed Organic Electronics​

Journal of Materials Chemistry C

Dylan Harris, Samantha Brixi, Benjamin S. Gelfand, Benoit H. Lessard, Gregory C. Welch

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Synthesis, Self-Assembly, and Air-Stable Radical Anions of Unconventional 6,7-Bis-nitrated N-Annulated Perylene Diimides​

Molecular Systems Design & Engineering

Jonathan Cann, Benjamin S. Gelfand, Gregory C. Welch 

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Water Compatible Direct (Hetero)arylation Polymerization of PPDT2FBT: A Pathway Towards Large-Scale Production of Organic Solar Cells

Asian Journal of Organic Chemistry​ - Organic donor–acceptor (D–A) molecules/complexes - special issue 

Mathieu Mainville, Vicky Tremblay, Miriam Z. Fenniri, Audrey Laventure, Mahmoud E. Farahat,  Ryan Ambrose, Gregory C. Welch, Ian G. Hill, Mario Leclerc

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Near-IR Absorption and Photocurrent Generation Using a First-of-Its-Kind Boron Difluoride Formazanate Non-Fullerene Acceptor

Materials Chemistry Frontiers - Emerging organic electronics - special issue

Josh D. B. Koenig, Mahmoud E. Farahat, Jasveer S. Dhindsa, Joe B. Gilroy, Gregory C. Welch

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Diketopyrrolopyrrole Derivatives Functionalized with N-Annulated PDI and Se-Annulated PDI by Direct (Hetero)Arylation Methods

Asian Journal of Organic Chemistry​ - Organic donor–acceptor (D–A) molecules/complexes - special issue             

Thomas Welsh, Maryam Nazari, Gregory C. Welch

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Indeno[1,2-b]thiophene End-capped Perylene Diimide: Should the 1,6-Regioisomers be systematically considered as a contaminant?

Scientific Reports

Pablo Marques, Francesco Tintori, Jose Castan, Pierre Josse, Gregory C. Welch, Philippe Blanchard, Clement Cabanetos

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Solution Processed Red Organic Light-Emitting-Diodes using an N-Annulated Perylene Diimide Fluorophore

Journal of Materials Chemistry C

Sergey Dayneko, Mohammad Rahmati, Majid Pahlevani, Gregory C. Welch

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Interlayer Engineering of Flexible and Large Area Red Organic Light Emitting Diodes based on an N-Annulated Perylene Diimide Dimer​

ACS Applied Electronic Materials - Young investigators forum - special issue

Mohammad Rahmati, Sergey Dayneko, Majid Pahlevani, Gregory C. Welch

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Indoor Photovoltaics: Photoactive Material Selection, Greener Ink Formulations, and Slot-Die Coated Active Layers​

ACS Applied Materials and Interfaces

Sergey Dayneko, Majid Pahlevani, Gregory C. Welch

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Harnessing Direct(Hetero)Arylation in Pursuit of a Saddle-Shaped Perylene Diimide Tetramer

ACS Applied Energy Materials

Josh Koeing, Audrey Laventure, Gregory C. Welch

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Perylene Diimide based Organic Photovoltaics with Slot-Die Coated Active Layers from Halogen-Free Solvents in Air at Room Temperature​

ACS Applied Materials and Interfaces

Francesco Tintori, Audrey Laventure, Gregory C. Welch

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Boron-Nitrogen Substituted Dihydroindeno[1,2-b]fluorene Derivatives as Acceptors in Organic Solar Cells​

Chemical Communications

Matthew M. Morgan,  Maryam Nazari,  Thomas Pickl,  J. Mikko Rautiainen,  Heikki M. Tuononen,  Warren Piers,  Gregory C. Welch, Benjamin Sidney Gelfand

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Interfacial ZnO Modification Using a Carboxylic Acid Functionalized N-Annulated Perylene Diimide for Inverted Type Organic Photovoltaics

ACS Applied Electronic Materials

Marwa Abd-Ellah, Jonathan R. Cann, Sergey V. Dayneko, Audrey Laventure, Edward Cieplechowicz, Gregory C. Welch

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Screening Quinoxaline-Type Donor Polymers for Roll-to-Roll Processing Compatible Organic Photovoltaics

ACS Applied Polymer Materials

Audrey Laventure, Cayley R. Harding, Edward Cieplechowicz, Zhe Li, Ju Wang, Yingping Zou, Gregory C. Welch

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Ternary Organic Solar Cells: Using Molecular Donor or Acceptor Third Components to Increase Open Circuit Voltage

New Journal of Chemistry

Sergey Dayneko, Arthur Hendsbee, Jonathan Cann, Clement Cabanetos, Gregory C. Welch

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Additive Induced Crystallization of a Twisted Perylene Diimide Dimer Within a Polymer Matrix

Soft Matter

Francesco Tintori, Audrey Laventure, Gregory C. Welch 

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Synthesis of Aromatic Imide Tetramers Relevant to Organic Electronics by Direct (Hetero)Arylation

New Journal of Chemistry

Thomas Welsh, Abby-Jo Payne, Gregory C. Welch

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Electrocatalytic CO2 Reduction at Lower Overpotentials Using Iron(III) tetra(meso-thienyl)porphyrins​

ACS Applied Energy Materials

Josh Koenig, Janina Willkomm, Roland Roesler, Warren E. Piers, and Gregory C. Welch

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Ligand-Centered Electrochemical Processes Enable CO2 Reduction with a Nickel Bis(triazapentadienyl) Complex​

Sustainable Energy and Fuels

Zachary Dubrawski,  Joshua Heidebrecht,  Braulio M. Puerta Lombardi,  Alexander S. Hyla,  Janina Willkomm,  Chase L. Radford,  Jian-Bin Lin,  Gregory C. Welch,  Sathish Ponnurangam,  Roland Roesler,  Demyan E. Prokopchuk, Warren E. Piers

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A Direct Comparison of Monomeric vs Dimeric and Non-Annulated vs N-Annulated Perylene Diimide Electron Acceptors for Organic Photovoltaics​

New Journal of Chemistry

Maryam Nazari, Edward Cieplechowicz, Thomas Welsh, Gregory C. Welch

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A Ring Fused N-Annulated PDI Non-Fullerene Acceptor for High Open Circuit Voltage Solar Cells Processed from Non-Halogenated Solvents

Synthetic Metals - Early career leaders - special issue

AudreyLaventure, SamanthaStanzel, Abby-JoPayne, Benoît H.Lessard, Gregory C.Welch

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Using Boron to Tune the Geometry of a Non-Fullerene Acceptor for Improved Organic Solar Cell Performance

ACS Applied Energy Materials

Thomas Welsh, Audrey Laventure, Abdullah Alahmadi, Guanghui Zhang, Thomas Baumgartner, Yingping Zou, Frieder Jäkle, and Gregory C. Welch

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Organic Solar Cells – Special Issue

The Chemical Record

Gregory C. Welch, Mario Leclerc

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Development of Organic Dye-Based Molecular Materials for Use in Fullerene-Free Organic Solar Cells​

The Chemical Record - Organic solar cells - special issue

Seth M. McAfee, Gregory C. Welch

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Synthesis of Molecular Dyads and Triads based upon N‐Annulated Perylene Diimide Monomers and Dimers​

European Journal of Organic Chemistry

Jonathan Cann, Clement Cabanetos, Gregory C. Welch

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A Triazatruxene based Molecular Dyad for Single-Component Organic Solar Cells

Chemistry2

Antoine Labrunie, Giacomo Londi, Sergey V. Dayneko, Martin Blais, Sylvie Dabos-Seignon, Gregory C. Welch, David Beljonne, Philippe Blanchard, Clement Cabanetos

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Benzyl and Fluorinated Benzyl Side Chains for Perylene Diimide Non-Fullerene Acceptors

Materials Chemistry Frontiers

Maryam Nazari, Mark Martell, Thomas Welsh, Owen Melville, Zhe Li, Jonathan Cann, Edward Cieplechowicz, Yingping Zou, Benoit Lessard, Gregory C. Welch

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A Tetrameric Perylene Diimide Non-Fullerene Acceptor via Unprecedented Direct (Hetero)arylation Cross-Coupling Reactions

Chemical Communications

Abby-Jo Payne, Jiali Song, Yanming Sun, Gregory C. Welch

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A Tetrachlorinated Molecular Non-fullerene Acceptor for High Performance Near-IR Absorbing Organic Solar Cells

Journal of Materials Chemistry C

Audrey Laventure, Gregory C. Welch

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Control and Characterization of Organic Solar Cell Morphology Through Variable-Pressure Solvent Vapor Annealing

ACS Applied Energy Materials

Derek Zomerman, Jessica Kong, Seth M. McAfee, Gregory C. Welch, Timothy L. Kelly

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Donor or Acceptor? How Selection of Rylene Imide Endcap Impacts Polarity of π-Conjugated Molecules for Organic Electronics

ACS Applied Energy Materials

Abby-Jo Payne, Nicole Rice, Seth M McAfee, Shi LI, Pierre Josse, Clement Cabanetos, Chad Risko, Benoit H. Lessard, Gregory C. Welch

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Synthesis of a Perylene Diimide Dimer with Pyrrolic N‐H Bonds and N‐Functionalized Derivatives for Organic Field‐Effect Transistors and Organic Solar Cells​

European Journal of Organic Chemistry

Marcus Vespa, Jonathan Cann, Sergey Dayneko, Owen Melville, Arthur Hendsbee, Yinping Zhou, Benoit Lessard, Gregory C. Welch

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Toward a Universally Compatible Non‐Fullerene Acceptor: Multi‐Gram Synthesis, Solvent Vapor Annealing Optimization, and BDT‐Based Polymer Screening​

Solar RRL

Seth M. McAfee, Abby-Jo Payne, Arthur D. Hendsbee, Shutao Xu, Yingping Zou, Gregory C. Welch

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Combining Facile Synthetic Methods with Greener Processing for Efficient Polymer‐Perylene Diimide Based Organic Solar Cells​

Small Methods

Sergey V. Dayneko, Arthur D. Hendsbee, Gregory C. Welch

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Direct (Hetero)Arylation Polymerization of a Spirobifluorene and a Dithienyl-Diketopyrrolopyrrole Derivative: New Donor Polymers for Organic Solar Cells​

Molecules - Direct (Hetero)arylation - special issue guest edited by Prof. Mario Leclerc

Pierre Josse, Sergey Dayneko, Yangqian Zhang, Sylvie Dabos-Seignon, Shiming Zhang, Philippe Blanchard, Gregory C. Welch, and Clement Cabanetos

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Direct (Hetero)Arylation for the Synthesis of Molecular Materials: Coupling Thieno[3,4-c]pyrrole-4,6-dione with Perylene Diimide to Yield Novel Non-Fullerene Acceptors for Organic Solar Cells​

Molecules - Direct (Hetero)arylation - special issue guest edited by Prof. Mario Leclerc

Thomas A. Welsh, Audrey Laventure, Gregory C. Welch

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Inverted P3HT:PC61BM Organic Solar Sells Incorporating a π-Extended Squaraine Dye with H- and (or) J-Aggregation

Canadian Journal of Chemistry - Dalhousie University - special issue

Sergey Dayneko, Abby-Jo Payne, Gregory C. Welch

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Organic Solar Cells based on Anthracene-Containing PPE–PPVs and Non-Fullerene Acceptors

Chemical Papers - 81st Macromolecular Symposium, Prague - special issue

Shahidul Alam, Rico Meitzner, Ogechi V. Nwadiaru, Christian Friebe, Jonathan Cann, Johannes Ahner, Christoph Ulbricht, Zhipeng Kan, Stephanie Höppener, Martin D. Hager, Daniel A. M. Egbe, Gregory C. Welch, Frédéric Laquai, Ulrich S. Schubert, Harald Hoppe

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Optoelectronic Engineering with Organic Dyes: Utilizing Squaraine and Perylene Diimide to Access an Electron-Deficient Molecule with Near-IR Absorption

Chemical Papers - 81st Macromolecular Symposium, Prague - special issue

Abby-Jo Payne, Seth M. McAfee, Gregory C. Welch

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Dithienophosphole-based Molecular Electron Acceptors Constructed using Direct (Hetero)arylation Cross-coupling Methods

Journal of Materials Chemistry C

Thomas Welsh, Audrey Laventure, Thomas Baumgartner, Gregory C. Welch

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Bromination of the Benzothioxanthene Bloc: Toward New pi-Conjugated Systems for Organic Electronics

Journal of Materials Chemistry C

Pierre Josse, Shi Li, Sergey Dayneko, Damien Joly, Antonie Labrunie, Sylvie Dabos-Seignon, Magali Allain, Benjamin Siegler, Renaud Demadrille, Gregory C. Welch, Chad Risko, Philippe Blanchard, Clement Cabanetos

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Exploiting Direct Heteroarylation Polymerization Homocoupling Defects for the Synthesis of a Molecular Dimer

New Journal of Chemistry - Cover Article

Willem B. Breukelaar, Seth M. McAfee, Gregory C. Welch

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Spectroscopic Engineering toward Near-Infrared Absorption of Materials Containing Perylene Diimide

ChemPlusChem

Jonathan Cann, Clement Cabanetos, Gregory C. Welch

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An Unsymmetrical Non-Fullerene Acceptor: Synthesis via Direct Heteroarylation, Self-Assembly, and Utility as a Low Energy Absorber in Organic Photovoltaic Cells

Chemical Communications

Abby-Jo Payne, Shi Li, Sergey V. Dayneko, Chad Risko, and Gregory C. Welch

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A Non-Fullerene Acceptor with a Diagnostic Morphological Handle for Streamlined Screening of Donor Materials in Organic Solar Cells

Journal of Materials Chemistry A

Seth M. McAfee, Abby-Jo Payne, Sergey V. Dayneko, Gururaj P. Kini, Chang Eun Song, Jong-Cheol Lee, and Gregory C. Welch

 

Thienoisoindigo End-capped Molecular Donors for Organic Photovoltaics: Effect of the Central π-Conjugated Connector

Dyes and Pigments

Pierre Josse, Sylvie Dabos-Seignon, Seth M. McAfee, Gregory C. Welch, Philippe Blanchard and Clément Cabanetos

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Optimized Synthesis of π-Extended Squaraine Dyes Relevant to Organic Electronics by Direct (Hetero)Arylation and Sonogashira Coupling Reactions

Organic & Biomolecular Chemistry - CSC100: Celebrating Canadian Chemistry - special issue

Abby-Jo Payne, and Gregory C. Welch

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N-Annulated Perylene Diimide Dimers: The Effect of Thiophene Bridges on Physical, Electronic, Optical, and Photovoltaic Properties

Sustainable Energy & Fuels - CSC100: Celebrating Canadian Chemistry - special issue

Arthur D. Hendsbee, Sergey V. Dayneko, Jefferson A. Pells, Jonathan R. Cann, and Gregory C. Welch

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Applying Direct Heteroarylation Synthesis to Evaluate Organic Dyes as the Core Component in PDI-based Molecular Materials for Fullerene-Free Organic Solar Cells

Journal of Materials Chemistry A - Emerging Investigators 2017 & CSC100: Celebrating Canadian Chemistry - special issues

Seth M. McAfee, Sergey V. Dayneko, Arthur D. Hendsbee, Pierre Josse, Philippe Blanchard, Clément Cabanetos, and Gregory C. Welch

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N-Annulated Perylene Diimide Dimers: Acetylene Linkers as a Strategy for Controlling Structural Conformation and The Impact on Physical, Electronic, Optical and Photovoltaic Properties

Journal of Materials Chemistry C - CSC100: Celebrating Canadian Chemistry - special issue

Jonathan Cann, Sergey V. Dayneko, Jon-Paul Sun, Arthur D. Hendsbee, Ian G. Hill, and Gregory C. Welch

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Simply Complex: The Efficient Synthesis of an Intricate Molecular Acceptor for High-Performance Air-Processed and Air-Tested Fullerene-free Organic Solar Cells

Chemistry of Materials

Seth M. McAfee, Sergey V. Dayneko, Pierre Josse, Philippe Blanchard, Clément Cabanetos, and Gregory C. Welch

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Fullerene-free Polymer Solar Cells Processed from Non-Halogenated Solvents in Air with PCE of 4.8%

Chemical Communications

Sergey V. Dayneko, Arthur D. Hendsbee and Gregory C. Welch

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Thiophene vs Thiazole: Effect of the pi-Connector on the Properties of Phthalimide End-Capped Diketopyrrolopyrrole based Molecular Acceptors for Organic Photovoltaics

Dyes and Pigments

Pierre Josse, Patricia Chavez, Chloé Dindault, Clément Dalinot, Seth M. McAfee, Sylvie Dabos-Seignon, Denis Tondelier, Gregory C. Welch, Philippe Blanchard, Nicolas Leclerc, and Clément Cabanetos

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Synthesis, Self-Assembly, and Solar Cell Performance of N-Annulated Perylene Diimide Non-Fullerene Acceptors

Chemistry of Materials

Arthur D. Hendsbee, Jon-Paul Sun, Way Kit Law, He Yan, Ian G. Hill, Denis M. Spasyuk and Gregory C. Welch

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Effect of Side Chains on the Electronic and Photovoltaic Properties of Diketopyrrolopyrrole-based Molecular Acceptors

Organic Electronics

Pierre Josse, Antoine Labrunie, Clément Dalinot, Seth M. McAfee, Sylvie Dabos-Seignon, Jean Roncali, Gregory C. Welch, Phillippe Blanchard and Clément Cabanetos

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Perylene Diimide Based All Small-Molecule Organic Solar Cells: Impact of Branched-alkyl Side Chains on Solubility, Photophysics, Self-assembly, and Photovoltaic Parameters

Organic Electronics

Jon-Paul Sun, Arthur D. Hendsbee, Alexander J. Dobson, Gregory C. Welch and Ian G. Hill

 

Development of Low Band Gap Molecular Donors with Phthalimide Terminal Groups for use in Solution Processed Organic Solar Cells

Dyes and Pigments

Ronan San Juan, Abby-Jo Payne, Gregory C. Welch and Ala'a F. Eftaiha

 

Synthesis and Structure-Property Relationships of Phthalimide and Naphthalimide based Organic pi-Conjugated Small Molecules

Physical Chemistry Chemical Physics

Abby-Jo Payne, Arthur D. Hendsbee, Seth M. McAfee, Devproshad K. Paul, Kunal Karan and Gregory C. Welch

 

The Optimization of Direct Heteroarylation and Sonogashira Cross-Coupling Reactions as Efficient and Sustainable Synthetic Methods to Access pi-Conjugated Materials with Near-Infrared Absorption

ACS Sustainable Chemistry and Engineering

Seth M. McAfee, Jonathan R. Cann, Pierre Josse, Phillippe Blanchard, Clement Cabanetos, and Gregory C. Welch

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Understanding the Morphology of Solution Processed Fullerene-free Small Molecule Bulk Heterojunction Blends

Physical Chemistry Chemical Physics

Andrew M. Namespetra, Elizabeth Kitching, Ala'a F. Eftaiha,  Ian G. Hill and Gregory C. Welch

 

Development of Simple Hole-transporting Materials for Perovskite Solar Cells

Canadian Journal of Chemistry - University of Calgary - special issue

Andrew M. Namespetra, Arthur D. Hendsbee, Gregory C. Welch and Ian G. Hill

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Pivotal Factors in Solution-Processed, Non-Fullerene, All Small-Molecule Organic Solar Cell Device Optimization

Organic Electronics

Jessica M. Topple, Seth M. McAfee, Gregory C. Welch and Ian G. Hill

 

The Structural Evolution of an Isoindigo-based Non-Fullerene Acceptor for Use in Organic Photovoltaics

RSC Advances

Seth M. McAfee, Jessica M. Topple, Jon-Paul Sun, Ian G. Hill and Gregory C. Welch

 

Chapter 5: Design and Synthesis of Small Molecule Donors for High Efficiency Solution Processed Organic Solar Cells

Polymer Photovoltaics: Materials, Physics and Device Engineering (RSC Publishing)

Seth M. McAfee, Gregory C. Welch and Corey V. Hoven

 

Phthalimide-based pi-Conjugated Small Molecules with Tailored Electronic Energy Levels for Use as Acceptors in Organic Solar Cells

Journal of Materials Chemistry C

Arthur D. Hendsbee, Seth M. McAfee, Jon-Paul Sun, Theresa M. McCormick, Ian G. Hill and Gregory C. Welch

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Indoloquinoxaline as a Terminal Building Block for the Construction of pi-Conjugated Small Molecules Relevant to Organic Electronics

Dyes and Pigments

Abby-Jo Payne, Jenny S. J. McCahill and Gregory C. Welch

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Key Components to the Recent Performance Increases of Solution Processed Non-Fullerene Small Molecule Acceptors

Journal of Materials Chemistry A

Seth M. McAfee, Jessica M. Topple, Ian G. Hill and Gregory C. Welch

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Facile Synthesis of Unsymmetrical and pi-Extended Furan-Diketopyrrolopyrrole Derivatives Through C-H Direct (Hetero)Arylation Using a Heterogeneous Catalyst System

New Journal of Chemistry

Jetsuda Areephong, Arthur D. Hendsbee and Gregory C. Welch

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A Narrow Band Gap Isoindigo Based Molecular Donor for Solution Processed Organic Solar Cells

New Journal of Chemistry

Jetsuda Areephong, Ronan R. San Juan, Abby-Jo Payne and Gregory C. Welch 

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Utility of a Heterogeneous Palladium Catalyst for the Synthesis of a Molecular Semiconductor via Stille, Suzuki and Direct Heteroarylation Cross-Coupling Reactions

RSC Advances

Seth M. McAfee, Jenny S. J. McCahill, Casper M. Macaulay, Arthur D. Hendsbee and Gregory C. Welch 

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Unusual Loss of Electron Mobility Upon Furan for Thiophene Substitution in a Molecular Semiconductor

Organic Electronics

Arthur D. Hendsbee, Jon-Paul Sun, Theresa M. McCormick, Ian G. Hill and Gregory C. Welch 

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An Electron-Deficient Small Molecule Accessible From Sustainable Synthesis and Building Blocks for Use as a Fullerene Alternative in Organic Photovoltaics

ChemPhysChem - Cover Article - Organic Electronics - special issue

Seth M. McAfee, Jessica M. Topple, Abby-Jo Payne, Jon-Paul Sun, Ian G. Hill and Gregory C. Welch

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Design and Computational Characterization of Non-Fullerene Acceptors for Use in Solution-Processable Solar Cells

Journal of Physical Chemistry A

Lesley R. Rutledge, Seth M. McAfee and Gregory C. Welch 

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High Open Circuit Voltage Organic Solar Cells Based Upon Fullerene Free Bulk Heterojunction Active Layers

Canadian Journal of Chemistry

Ala'a F. Eftaiha, Jon-Paul Sun, Arthur D. Hendsbee, Casper M. Macaulay, Ian G. Hill and Gregory C. Welch 

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Phthalimide-thiophene-based Conjugated Organic Small Molecules with High Electron Mobility

Journal of Materials Chemistry C

Jon-Paul Sun, Arthur D. Hendsbee, Ala'a F. Eftaiha, Casper M. Macaulay, Lesley R. Rutledge, Gregory C. Welch and Ian G. Hill 

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Synthesis of an H-Aggregated Thiophene-Phthalimide Based Small Molecule via Microwave Assisted Direct Arylation Coupling Reactions

Dyes and Pigments

Arthur D. Hendsbee, Casper M. Macaulay and Gregory C. Welch

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Electron Deficient Diketopyrrolopyrrole Dyes for Organic Electronics: Synthesis by Direct Arylation, Optoelectronic Characterization, and Charge Carrier Mobility

Journal of Materials Chemistry A

Arthur D. Hendsbee, Jon-Paul Sun, Lesley R. Rutledge, Ian G. Hill and Gregory C. Welch

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Development of Small Molecule Donors for Solution-Processed Organic Solar Cells

Material Matters

Abby-Jo Payne and Gregory C. Welch

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Recent Advances of Non-Fullerene, Small Molecular Acceptors for Solution Processed Bulk Heterojunction Solar Cells

Journal of Materials Chemistry A

Ala' F. Eftaiha, Jon-Paul Sun, Ian G. Hill and Gregory C. Welch

 

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