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Dye‐Sensitized Solar Cells: 1,1,2,2‐Tetrachloroethane (TeCA) as a Solvent Additive for Organic Hole Transport Materials and Its Application in Highly Efficient Solid‐State Dye‐Sensitized Solar Cells (Adv. Energy Mater. 10/2015)
Author(s) -
Xu Bo,
Gabrielsson Erik,
Safdari Majid,
Cheng Ming,
Hua Yong,
Tian Haining,
Gardner James M.,
Kloo Lars,
Sun Licheng
Publication year - 2015
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.201570054
Subject(s) - materials science , solvent , dye sensitized solar cell , energy conversion efficiency , solid state , organic solar cell , chemical engineering , amine gas treating , organic solvent , photochemistry , organic chemistry , optoelectronics , electrode , chemistry , composite material , polymer , engineering , electrolyte
In article number 1402340, Licheng Sun and co‐workers report the use of a lowcost organic solvent, 1,1,2,2‐tetrachloroethane (TeCA), as an additive for the well‐known p‐type organic hole transport material‐2,2',7,7'‐tetrakis‐(N,N‐di‐pmethoxyphenyl‐amine)‐9,9'spiro‐bifluorene (Spiro‐OMeTAD). It is found that this significantly increases the conductivity of Spiro‐OMeTAD‐based semiconducting films. Subsequently, this additive is successfully applied in Spiro‐OMeTAD‐based solid‐state dye‐sensitized solar cells, and a record power conversion efficiency of 7.7% is obtained under one sun illumination.
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