RADIATIVE LIFETIMES OF CONFINED EXCITATIONS IN SIGMA-CONJUGATED SILANE OLIGOMERS

被引：29

作者：

THORNE, JRG ^{[1
]}

WILLIAMS, SA ^{[1
]}

HOCHSTRASSER, RM ^{[1
]}

FAGAN, PJ ^{[1
]}

机构：

[1] DUPONT CO,CENT RES & DEV,WILMINGTON,DE 19980

来源：

CHEMICAL PHYSICS | 1991年 / 157卷 / 03期

关键词：

D O I：

10.1016/0301-0104(91)89032-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Emission studies of polysilanes of well-defined length are used to deduce the chain length necessary to support delocalized excitations. The chemical conditions necessary for interruption of extended sigma-conjugation are also described.

引用

页码：401 / 408

页数：8

共 33 条

[1] SINGLET EXCITATION IN POLYSILANES - ABINITIO CALCULATIONS ON OLIGOSILANE MODELS [J].

BALAJI, V ;

MICHL, J .

POLYHEDRON, 1991, 10 (11) :1265-1284

[2] PROPERTIES OF LONG-CHAIN PERMETHYLPOLYSILANES [J].

BOBERSKI, WG ;

ALLRED, AL .

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1975, 88 (01) :65-72

[3] EXCITON-PHONON INTERACTION AND OPTICAL SPECTRA - SELF-TRAPPING, ZERO-PHONON LINE AND PHONON SIDEBANDS [J].

CHO, K ;

TOYOZAWA, Y .

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1971, 30 (06) :1555-&

[4] DEPHASING-INDUCED DAMPING OF SUPERRADIANT EMISSION IN J-AGGREGATES [J].

DEBOER, S ;

WIERSMA, DA .

CHEMICAL PHYSICS LETTERS, 1990, 165 (01) :45-53

[5]

FAGAN PJ, 1991, POLYM PREPN, V32, P43

[6]

FAGAN PJ, UNPUB J AM CHEM SOC

[7] ELECTRONIC-SPECTRA OF POLYSILANES [J].

HARRAH, LA ;

ZEIGLER, JM .

MACROMOLECULES, 1987, 20 (03) :601-608

[8]

HARRAH LA, 1987, ACS SYM SER, V358, P482

[9]

HOCHSTRASSER RM, 1983, EXCITED STATES BIOPO

[10] STUDIES OF POLARON MOTION .2. THE SMALL POLARON [J].

HOLSTEIN, T .

ANNALS OF PHYSICS, 1959, 8 (03) :343-389

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