Perovskite Solar Cells Employing Dopant‐Free Organic Hole Transport Materials with Tunable Energy Levels | Zendy

Liu Yongsheng | Zendy; Hong Ziruo | Zendy; Chen Qi | Zendy; Chen Huajun | Zendy; Chang WeiHsuan | Zendy; Yang Yang Michael | Zendy; Song TzeBin | Zendy; Yang Yang | Zendy

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Perovskite Solar Cells Employing Dopant‐Free Organic Hole Transport Materials with Tunable Energy Levels

Author(s) -

Liu Yongsheng,

Hong Ziruo,

Chen Qi,

Chen Huajun,

Chang WeiHsuan,

Yang Yang Michael,

Song TzeBin,

Yang Yang

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201504293

Subject(s) - materials science , dopant , perovskite (structure) , organic solar cell , doping , nanotechnology , optoelectronics , chemical engineering , polymer , composite material , engineering

Conjugated small‐molecule hole‐transport materials (HTMs) with tunable energy levels are designed and synthesized for efficient perovskite solar cells. A champion device with efficiency of 16.2% is demonstrated using a dopant‐free DERDTS‐TBDT HTM, while the DORDTS‐DFBT‐HTM‐based device shows an inferior performance of 6.2% due to its low hole mobility and unmatched HOMO level with the valence band of perovskite film.

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