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

descriptionPublicationkeyboard_double_arrow_right Article , Journal 15 Jan 2016 Taiwan Publisher:WileyJournal:ChemSusChem, volume 9, pages 274-279 (issn: 1864-5631, eissn: 1864-564X,

Authors: Lin, Yan-Duo; Ke, Bo-Yu; Lee, Kun-Mu; Chang, Sheng Hsiung; Wang, Kai-Hung; Huang, Shih-Han; Wu, Chun-Guey; +9 Authors

doi: 10.1002/cssc.201501392

pmid: 26773842

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

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Abstract

AbstractA 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.

Country

Taiwan

Related Organizations

Chinese Culture University
Taiwan
Indian Institute of Technology Kanpur
India
Tunghai University
Taiwan
Academia Sinica
Taiwan
Tunghai University
Taiwan

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Keywords

hole-transporting materials, Titanium, bimesitylenes, Oxides, stability, Calcium Compounds, perovskite solar cell, 530, Electron Transport, Electric Power Supplies, Benzene Derivatives, Electrochemistry, Solar Energy, twisted structure

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