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Identification of the possible defect states in poly(3‐hexylthiophene) thin films
Author(s) -
Feng D.Q.,
Caruso A.N.,
Losovyj Y.B.,
Shulz D.L.,
Dowben P.A.
Publication year - 2007
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.20820
Subject(s) - homo/lumo , materials science , molecular orbital , impurity , band gap , non bonding orbital , density of states , chemical physics , molecule , condensed matter physics , optoelectronics , physics , chemistry , organic chemistry
The possible origins of a low density of defect states within the highest occupied molecular orbital to lowest unoccupied molecular orbital gap are suggested for regioregular poly(3‐hexylthiophene). A number of “chemical” defects, impurities, and structural defects could contribute to features in photoemission for regioregular poly(3‐hexylthiophene), observed within the highest occupied molecular orbital to lowest unoccupied molecular orbital gap of regioregular poly(3‐hexylthiophene). POLYM. ENG. SCI., 47:1359–1364, 2007. © 2007 Society of Plastics Engineers