EXCITON FUSION AND CHARGE-CARRIER GENERATION IN POLY(DI-NORMAL-HEXYLSILANE)

被引:2
作者
KEPLER, RG [1 ]
SEAGER, CH [1 ]
SOOS, ZG [1 ]
MCWILLIAMS, PCM [1 ]
机构
[1] PRINCETON UNIV,DEPT CHEM,PRINCETON,NJ 08544
基金
美国国家科学基金会;
关键词
D O I
10.1016/0379-6779(92)90191-K
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have observed charge-carrier generation in the long-wavelength tail of the first electronic transition in poly(di-n-hexylsilane), which varies as the square of the intensity of the incident light and as the absorption coefficient raised to a power somewhat greater than two. We discuss two mechanisms involving exciton fusion for generating carriers.
引用
收藏
页码:387 / 394
页数:8
相关论文
共 24 条
  • [1] ELECTRONIC TRANSPORT IN SILICON BACKBONE POLYMERS
    ABKOWITZ, MA
    RICE, MJ
    STOLKA, M
    [J]. PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES, 1990, 61 (01): : 25 - 57
  • [2] RESONANT ENHANCEMENT OF 2-PHOTON ABSORPTION IN SODIUM VAPOR
    BJORKHOLM, JE
    LIAO, PF
    [J]. PHYSICAL REVIEW LETTERS, 1974, 33 (03) : 128 - 131
  • [3] SITE-SELECTIVE FLUORESCENCE STUDIES ON POLYSILYLENES
    ELSCHNER, A
    MAHRT, RF
    PAUTMEIER, L
    BASSLER, H
    STOLKA, M
    MCGRANE, K
    [J]. CHEMICAL PHYSICS, 1991, 150 (01) : 81 - 91
  • [4] PHOTOCARRIER GENERATION AND TRANSPORT IN SIGMA-BONDED POLYSILANES
    KEPLER, RG
    ZEIGLER, JM
    HARRAH, LA
    KURTZ, SR
    [J]. PHYSICAL REVIEW B, 1987, 35 (06): : 2818 - 2822
  • [5] ELECTRONIC EXCITATIONS OF POLY(METHLPHENYLSILANE) FILMS
    KEPLER, RG
    SOOS, ZG
    [J]. PHYSICAL REVIEW B, 1991, 43 (15): : 12530 - 12537
  • [6] MUTUAL ANNIHILATION OF SINGLET EXCITONS IN SIGMA-CONJUGATED POLYSILANES
    KEPLER, RG
    ZEIGLER, JM
    [J]. MOLECULAR CRYSTALS AND LIQUID CRYSTALS, 1989, 175 : 85 - 91
  • [7] 2-PHOTON TRANSITIONS TO HIGHLY EXCITED-STATES IN ANTHRACENE-CRYSTALS
    KEPLER, RG
    [J]. PHYSICAL REVIEW B, 1974, 9 (10) : 4468 - 4474
  • [8] THEORY OF EVEN-PARITY STATES AND 2-PHOTON SPECTRA OF CONJUGATED POLYMERS
    MCWILLIAMS, PCM
    HAYDEN, GW
    SOOS, ZG
    [J]. PHYSICAL REVIEW B, 1991, 43 (12): : 9777 - 9791
  • [9] POLYSILANE HIGH POLYMERS
    MILLER, RD
    MICHL, J
    [J]. CHEMICAL REVIEWS, 1989, 89 (06) : 1359 - 1410
  • [10] POPE M, 1982, ELECTRONIC PROCESSES