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Constructive Effects of Alkyl Chains: A Strategy to Design Simple and Non‐Spiro Hole Transporting Materials for High‐Efficiency Mixed‐Ion Perovskite Solar Cells
Author(s) -
Zhang Jinbao,
Xu Bo,
Johansson Malin B.,
Hadadian Mahboubeh,
Correa Baena Juan Pablo,
Liu Peng,
Hua Yong,
Vlachopoulos Nick,
Johansson Erik M. J.,
Boschloo Gerrit,
Sun Licheng,
Hagfeldt Anders
Publication year - 2016
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201502536
Subject(s) - triphenylamine , perovskite (structure) , materials science , simple (philosophy) , alkyl , constructive , photovoltaic system , alkylation , ion , engineering physics , nanotechnology , computer science , optoelectronics , chemical engineering , organic chemistry , electrical engineering , physics , chemistry , engineering , operating system , catalysis , philosophy , epistemology , process (computing)
A series of simple alkylated triphenylamine molecules are designed and synthesized as hole transporting materials (HTMs) for perovskite solar cells. The effects of the alkyl chains on the photovoltaic performance are for the first time systematically investigated. A high efficiency of 17.33% is achieved by combining HTM X21 and the mixed‐ion perovskites.