期刊
MATERIALS ADVANCES
卷 2, 期 8, 页码 2594-2599出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ma00165e
关键词
-
资金
- NSERC [DG 497981]
This study demonstrates organic photovoltaic devices with low synthetic complexity by pairing P3HT with a novel non-fullerene acceptor, (3PS)(2)-SiPc. The binary P3HT/(3PS)(2)-SiPc devices achieved a record power conversion efficiency of 4.3%, showing unique morphology with significant phase separation. AFM and synchrotron STXM measurements revealed the strong crystallization of (3PS)(2)-SiPc contributing to this unique structure.
We demonstrate organic photovoltaic devices with extremely low synthetic complexity by pairing poly(3-hexithiophene) (P3HT) with a novel non-fullerene acceptor (NFA) bis(tri-n-propylsilyl oxide) silicon phthalocyanine ((3PS)(2)-SiPc). (3PS)(2)-SiPc possesses a relatively unique combination of high solubility and excellent thermal stability, facilitating its ease of processing by both solution and sublimation techniques. Binary P3HT/(3PS)(2)-SiPc devices achieved an average power conversion efficiency of 4.3%, a new record for SiPc NFAs. AFM and synchrotron STXM measurements reveal a unique morphology of P3HT/(3PS)(2)-SiPc, with significant phase separation due to the strong crystallization of (3PS)(2)-SiPc.
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