TRIPLET-STATES OF OLIGOTHIOPHENES AND ELECTRON-TRANSFER TO C-60 - A PULSED EPR INVESTIGATION

被引:17
作者
BENNATI, M [1 ]
GRUPP, A [1 ]
BAUERLE, P [1 ]
MEHRING, M [1 ]
机构
[1] UNIV STUTTGART,INST ORGAN CHEM,STUTTGART,GERMANY
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1994年 / 256卷
关键词
D O I
10.1080/10587259408039320
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Triplet states of oligothiophenes and C-60 were excited by a pulsed laser light using a Nd:YAG laser. The finestructure values D, E of different endcapped oligothiophenes (EC3T, EC4T, and EC5T) were determined from pulsed EPR-spectra. Time resolution was applied to study the kinetics and relaxation times. A photoinduced electron transfer from EC4T to C-60 in liquid solutions was investigated in detail. Fourier transform of the free induction decays results in spectra of the transient triplet state and of the transient C-60 monoradical anion. Electron transfer rates were deduced from the observed triplet quenching rates at different temperatures.
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页码:751 / 756
页数:6
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共 6 条
  • [2] DESIGN, SYNTHESIS AND ASSEMBLY OF NEW THIOPHENE-BASED MOLECULAR FUNCTIONAL UNITS WITH CONTROLLED PROPERTIES
    BAUERLE, P
    GOTZ, G
    HILLER, M
    SCHEIB, S
    FISCHER, T
    SEGELBACHER, U
    BENNATI, M
    GRUPP, A
    MEHRING, M
    STOLDT, M
    SEIDEL, C
    GEIGER, F
    SCHWEIZER, H
    UMBACH, E
    SCHMELZER, M
    ROTH, S
    EGELHAAF, HJ
    OELKRUG, D
    EMELE, P
    PORT, H
    [J]. SYNTHETIC METALS, 1993, 61 (1-2) : 71 - 79
  • [3] BAUERLE P, 1993, J AM CHEM SOC, V115, P10217
  • [4] BAUERLE P, 1992, ADV MAT, V102, P4
  • [5] ELECTROREDUCTION OF BUCKMINSTERFULLERENE, C-60, IN APROTIC-SOLVENTS - ELECTRON-SPIN-RESONANCE CHARACTERIZATION OF SINGLY, DOUBLY, AND TRIPLY REDUCED C-60 IN FROZEN-SOLUTIONS
    DUBOIS, D
    JONES, MT
    KADISH, KM
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (16) : 6446 - 6451
  • [6] WELLER A, 1975, EXCIPLEX