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Yue, Wan
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Publications (4/4 displayed)
- 2024Mixing Insulating Commodity Polymers with Semiconducting n‐type Polymers Enables High‐Performance Electrochemical Transistorscitations
- 2020Anisotropy of Charge Transport in a Uniaxially Aligned Fused Electron-Deficient Polymer Processed by Solution Shear Coating.
- 2018Alternative Thieno[3,2-b][1]benzothiophene Isoindigo Polymers for Solar Cell Applicationscitations
- 2017Amorphous Tin Oxide as a Low-Temperature-Processed Electron-Transport Layer for Organic and Hybrid Perovskite Solar Cellscitations
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article
Alternative Thieno[3,2-b][1]benzothiophene Isoindigo Polymers for Solar Cell Applications
Abstract
This work reports the synthesis, characterization, photophysical, and photovoltaic properties of five new thieno[3,2-b][1]benzothiophene isoindigo (TBTI)-containing low bandgap donor-acceptor conjugated polymers with a series of comonomers and different side chains. When TBTI is combined with different electron-rich moieties, even small structural variations can have significant impact on thin film morphology of the polymer:phenyl C70 butyric acid methyl ester (PCBM) blends. More importantly, high-resolution electron energy loss spectroscopy is used to investigate the phase-separated bulk heterojunction domains, which can be accurately and precisely resolved, enabling an enhanced correlation between polymer chemical structure, photovoltaic device performance, and morphology.