Nonfullerene Tandem Organic Solar Cells with High Open-Circuit Voltage of 1.97 V.
basic_science · Level V
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- Record sourced from PubMed, PMID 27634640.
- Also identified by DOI 10.1002/adma.201603518.
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Abstract
Small-molecule nonfullerene-based tandem organic solar cells (OSCs) are fabricated for the first time by utilizing P3HT:SF(DPPB)<sub>4</sub> and PTB7-Th:IEIC bulk heterojunctions as the front and back subcells, respectively. A power conversion efficiency of 8.48% is achieved with an ultrahigh open-circuit voltage of 1.97 V, which is the highest voltage value reported to date among efficient tandem OSCs.