Welch, Gregory - University of Calgary - Department of Chemistry

研究领域

Our research is focused on the synthesis of pi-conjugated organic materials for organic electronic applications. These materials are often composed of organic dyes, leading to highly coloured products with strong absorption properties ideal for light harvesting applications. The synthetic protocols of our research group are centered around developing more sustainable synthetic measures and incorporating low-cost materials. To this effect, the use of heterogeneous catalysts and direct heteroarylation have become common practice for assembling the majority of our pi-conjugated materials.

近期论文

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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 CellsJournal of Materials Chemistry A - Special Issue - Emerging Investigators 2017 Seth M. McAfee, Sergey V. Dayneko, Arthur D. Hendsbee, Pierre Josse, Philippe Blanchard, Clément Cabanetos, and Gregory C. Welch N-Annulated Perylene Diimide Dimers: Acetylene Linkers as a Strategy for Controlling Structural Conformation and The Impact on Physical, Electronic, Optical and Photovoltaic PropertiesJournal of Materials Chemistry C Jonathan Cann, Sergey V. Dayneko, Jon-Paul Sun, Arthur D. Hendsbee, Ian G. Hill, and Gregory C. Welch Simply Complex: The Efficient Synthesis of an Intricate Molecular Acceptor for High-Performance Air-Processed and Air-Tested Fullerene-free Organic Solar CellsChemistry of Materials Seth M. McAfee, Sergey V. Dayneko, Pierre Josse, Philippe Blanchard, Clément Cabanetos, and Gregory C. Welch 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 Thiophene vs Thiazole: Effect of the pi-Connector on the Properties of Phthalimide End-Capped Diketopyrrolopyrrole based Molecular Acceptors for Organic PhotovoltaicsDyes 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 Synthesis, Self-Assembly, and Solar Cell Performance of N-Annulated Perylene Diimide Non-Fullerene AcceptorsChemistry of Materials Arthur D. Hendsbee, Jon-Paul Sun, Way Kit Law, He Yan, Ian G. Hill, Denis M. Spasyuk and Gregory C. Welch Effect of Side Chains on the Electronic and Photovoltaic Properties of Diketopyrrolopyrrole-based Molecular AcceptorsOrganic Electronics Pierre Josse, Antoine Labrunie, Clément Dalinot, Seth M. McAfee, Sylvie Dabos-Seignon, Jean Roncali, Gregory C. Welch, Phillippe Blanchard and Clément Cabanetos Perylene Diimide Based All Small-Molecule Organic Solar Cells: Impact of Branched-alkyl Side Chains on Solubility, Photophysics, Self-assembly, and Photovoltaic ParametersOrganic 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 CellsDyes 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 MoleculesPhysical 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 AbsorptionACS Sustainable Chemistry and Engineering Seth M. McAfee, Jonathan R. Cann, Pierre Josse, Phillippe Blanchard, Clement Cabanetos, and Gregory C. Welch Understanding the Morphology of Solution Processed Fullerene-free Small Molecule Bulk Heterojunction BlendsPhysical Chemistry Chemical Physics Andrew M. Namespetra, Elizabeth Kitching, Ala'a F. Eftaiha, Ian G. Hill and Gregory C. Welch