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The Role of 3D Molecular Structural Control in New Hole Transport Materials Outperforming Spiro ‐OMeTAD in Perovskite Solar Cells
Author(s) -
Zhang Jinbao,
Hua Yong,
Xu Bo,
Yang Li,
Liu Peng,
Johansson Malin B.,
Vlachopoulos Nick,
Kloo Lars,
Boschloo Gerrit,
Johansson Erik M. J.,
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.201601062
Subject(s) - perovskite (structure) , materials science , linkage (software) , energy conversion efficiency , service (business) , solar cell , process (computing) , nanotechnology , crystallography , computer science , optoelectronics , chemistry , business , marketing , gene , operating system , biochemistry
This study presents new hole‐transport materials (HTMs) to replace the central spiro linkage in spiro ‐OMeTAD by a CC bond in H11 and CC double bond in H12 . This structural change results in a facile synthetic process and a significant change in the molecular geometry. Employing H11 as HTM in combination with mixed ion perovskite [HC(NH 2 ) 2 ] 0.85 (CH 3 NH 3 ) 0.15 Pb(I 0.85 Br 0.15 ) 3 , gives a solar cell power conversion efficiency of 19.8%.