journal article·2012-04-17Open access

Small‐Molecule Photovoltaics Based on Functionalized Squaraine Donor Blends

Xin Xiao, Guodan Wei, Siyi Wang, Jeramy D. Zimmerman, Christopher K. Renshaw, Mark E. Thompson, Stephen R. Forrest

Advanced Materials· Volume 24· Issue 15

Abstract

Two squaraine (SQ) donor molecules with different absorption bands are blended together for better coverage of the solar spectrum. The blend SQ device shows a significant improvement compared with single SQ donor devices. By applying a solvent annealing process and a compound buffer layer, a power-conversion efficiency of 5.9 ± 0.3% is achieved under 1 sun illumination.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Perovskite Materials and Applications · Molecular Junctions and Nanostructures

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