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Bipolar polymer semiconductor blends of C 60 ‐end‐capped poly(4‐diphenylaminostyrene) and poly(4‐diphenylaminostyrene): One‐pot synthesis and charge‐transport properties
Author(s) -
Natori Itaru,
Natori Shizue,
Sekikawa Hiroyuki,
Takahashi Tomoyuki,
Sato Hisaya
Publication year - 2011
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.33864
Subject(s) - electron mobility , materials science , polymer , semiconductor , polymer blend , fullerene , charge carrier , polymer chemistry , organic semiconductor , electron transport chain , chemical engineering , analytical chemistry (journal) , chemistry , copolymer , composite material , optoelectronics , organic chemistry , biochemistry , engineering
Three types of fullerene (C 60 )‐end‐capped poly(4‐diphenylaminostyrene) (C 60 –PDAS) and poly(4‐diphenylaminostyrene) (PDAS) blends were prepared to investigate their potential as bipolar polymer semiconductors. The concentration of C 60 in the C 60 –PDAS/PDAS blends strongly affected the hole and electron drift mobility values; the hole drift mobility decreased with an increase in the C 60 concentration. However, the electron drift mobility increased with an increase in the C 60 concentration. The hole and electron drift mobility values were almost the same for the 1/2 C 60 –PDAS/PDAS blend; therefore, this polymer blend was thought to be a bipolar polymer semiconductor. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011