Hole-Transporting Materials Based on Twisted Bimesitylenes for Stable Perovskite Solar Cells with High Efficiency

ChemSusChem
Yan-Duo LinTahsin J Chow

Abstract

A new class of hole-transport materials (HTMs) based on the bimesitylene core designed for mesoporous perovskite solar cells is introduced. Devices fabricated using two of these derivatives yield higher open-circuit voltage values than the commonly used spiro-OMeTAD. Power conversion efficiency (PCE) values of up to 12.11% are obtained in perovskite-based devices using these new HTMs. The stability of the device made using the highest performing HTM (P1) is improved compared with spiro-OMeTAD as evidenced through long-term stability tests over 1000 h.

References

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Mar 25, 2010·The Journal of Organic Chemistry·Jarugu Narasimha MoorthyTahsin J Chow
Sep 8, 2011·Nanoscale·Jeong-Hyeok ImNam-Gyu Park
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May 20, 2014·Journal of the American Chemical Society·Nam Joong JeonSang Il Seok
Aug 6, 2014·Chemical Communications : Chem Comm·Kwangseok DoJaejung Ko
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Oct 28, 2014·Chemical Communications : Chem Comm·Yakun SongQingbo Meng

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Citations

Nov 9, 2018·ACS Applied Materials & Interfaces·Yeo-Sin LinShih-Sheng Sun

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