OPTICAL-ABSORPTION STUDIES OF SODIUM DOPED POLY(CYANOTEREPHTHALYLIDENE)

被引:14
作者
BROMS, P
FAHLMAN, M
XING, KZ
SALANECK, WR
DANNETUN, P
CORNIL, J
DOSSANTOS, DA
BREDAS, JL
MORATTI, SC
HOLMES, AB
FRIEND, RH
机构
[1] UNIV PARIS 07,PHYS SOLIDES GRP,F-75251 PARIS 05,FRANCE
[2] UNIV MONS,SERV CHIM MAT NOUVEAUX,B-7000 MONS,BELGIUM
[3] UNIV CAMBRIDGE,CHEM LAB,CAMBRIDGE CB2 1EW,ENGLAND
[4] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND
关键词
OPTICAL ABSORPTION; DOPING; POLY(CYANOTEREPHTHALYLIDENE);
D O I
10.1016/0379-6779(94)90017-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The effects of doping poly(cyanoterephthalylidene) with sodium in ultrahigh vacuum have been studied by optical absorption spectroscopy. Upon doping, new optical transitions are observed within the bandgap; the characteristics of these transitions are consistent with the formation of bipolarons. The optical absorption results are confirmed by direct measurements of the doping-induced gap states using ultraviolet photoelectron spectroscopy.
引用
收藏
页码:93 / 96
页数:4
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