Development of Fluorinated Benzothiadiazole as a Structural Unit for a Polymer Solar Cell of 7 % Efficiency

Zhou, Huaxing; Yang, Liqiang; Stuart, Andrew C.; Price, Samuel C.; Liu, Shubin; You, Wei

doi:10.1002/anie.201005451

articleAngewandte Chemie International EditionMar 2, 2011Closed access

Development of Fluorinated Benzothiadiazole as a Structural Unit for a Polymer Solar Cell of 7 % Efficiency

HZHuaxing Zhou LYLiqiang Yang ACAndrew C. Stuart SCSamuel C. Price SLShubin Liu

University of North Carolina at Chapel Hill

PubMed

Indexed incrossrefpubmed

Abstract

High-powered polymer: Fluorinated benzothiadiazole was incorporated into a polymer that was used in a high-performance solar cell. The model polymer 2 has decreased HOMO and LUMO energy levels and a similar band gap when compared with its nonfluorinated analogue 1. A bulk heterojunction device derived from 1 demonstrated a high power conversion efficiency of 7.2 % (5.0 % for 1).

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Topics & keywords

Topics

Keywords

Polymer
Energy conversion efficiency
Polymer solar cell
Materials science
Solar cell
HOMO/LUMO
Band gap
Optoelectronics

UN Sustainable Development Goals

Affordable and clean energy

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