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Polymer Solar Cells: Side‐Chain Engineering for Fine‐Tuning of Energy Levels and Nanoscale Morphology in Polymer Solar Cells (Adv. Energy Mater. 10/2014)
Author(s) -
Lee Jaewon,
Kim Min,
Kang Boseok,
Jo Sae Byeok,
Kim Heung Gyu,
Shin Jisoo,
Cho Kilwon
Publication year - 2014
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.201470054
Subject(s) - materials science , side chain , polymer solar cell , polymer , photoactive layer , organic solar cell , hybrid solar cell , energy conversion efficiency , photovoltaic system , conjugated system , active layer , band gap , nanoscopic scale , optoelectronics , nanotechnology , chemical engineering , layer (electronics) , composite material , ecology , thin film transistor , biology , engineering
Structural optimization of the side chains of conjugated polymers is essential for highly efficient organic solar cells. In article number 1400087, Kilwon Cho and co‐workers describe the importance of side chains by investigating polymer solar cells based on PBDT2FBT low‐bandgap polymers containing four types of side chains. The effects of the side chains on the optoelectronic and morphological properties of the bulk‐heterojunction photoactive layer are explored and found to be strongly correlated with the power conversion efficiency of the organic photovoltaic devices.