NONLINEAR EXCITED-STATE ABSORPTION IN CADMIUM-PORPHYRIN-LIKE

被引:0
|
作者
SI, JH
YANG, M
WANG, YX
ZHANG, L
LI, CF
WANG, DY
DONG, SM
SUN, WF
机构
来源
关键词
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Nonlinear absorption at 532 nm in a cadmium texaphyrin solution has been studied using 8 ns and 23 ps laser pulses. The experiments show that reverse saturable absorption occurs in the nanosecond case. For picosecond pulses, RSA occurs only at low fluences, and saturable absorption occurs at high fluences. A six-level model is proposed to explain these nonlinear absorption effects. Several photophysical parameters of excited states for cadmium texaphyrin, such as absorption cross-sections at 532 nm and lifetime, have been evaluated by fitting theoretical calculations with the experimental results.
引用
收藏
页码:821 / 827
页数:7
相关论文
共 50 条
  • [31] EXCITED-STATE ABSORPTION OF FLUORESCENT IONS IN GLASSES
    ROBINSON, CC
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1965, 55 (11) : 1576 - &
  • [32] EXCITED-STATE ABSORPTION ON ZNSE DOPED WITH COBALT
    EHLERT, A
    DREYSHIG, J
    GUMLICH, HE
    ALLEN, JW
    JOURNAL OF LUMINESCENCE, 1994, 60-1 : 21 - 25
  • [33] Supramolecular porphyrin prisms and excited-state mixed-valency
    Hupp, Joseph T.
    Lee, Suk Joong
    McGarrah, James E.
    She, Chunxing
    Mulfort, Karen L.
    Youm, Kyoung-Tae
    Jensen, Rebecca A.
    Tiede, David M.
    Nguyen, SonBinh T.
    Kelley, Richard F.
    Wasielewski, Michael R.
    ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2007, 234
  • [34] UPPER EXCITED-STATE EMISSION OF A COVALENTLY LINKED PORPHYRIN DIMER
    KAIZU, Y
    MAEKAWA, H
    KOBAYASHI, H
    JOURNAL OF PHYSICAL CHEMISTRY, 1986, 90 (18): : 4234 - 4238
  • [35] EXCITED-STATE PROPERTIES OF WATER-SOLUBLE PORPHYRIN DIMERS
    HOFSTRA, U
    KOEHORST, RBM
    SCHAAFSMA, TJ
    CHEMICAL PHYSICS LETTERS, 1986, 130 (06) : 555 - 559
  • [36] EXCITED-STATE NONLINEAR ABSORPTION AND ITS DESCRIPTION USING DENSITY-MATRIX THEORY
    LI, CF
    SI, JH
    YANG, MA
    WANG, RB
    ZHANG, L
    SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY & TECHNOLOGICAL SCIENCES, 1995, 38 (08): : 985 - 995
  • [37] PORPHYRIN-QUINONE EXCITED-STATE INTERACTIONS IN REVERSED MICELLES
    COSTA, SMB
    DEBARROS, MRA
    CONDE, JP
    JOURNAL OF PHOTOCHEMISTRY, 1985, 28 (02): : 153 - 164
  • [38] EXCITED-STATE PORPHYRIN QUINONE INTERACTIONS AT 10-A SEPARATION
    LINDSEY, JS
    MAUZERALL, DC
    LINSCHITZ, H
    JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1983, 105 (21) : 6528 - 6529
  • [39] EXCITED-STATE NONLINEAR ABSORPTION IN MULTI-ENERGY-LEVEL MOLECULAR-SYSTEMS
    LI, CF
    SI, JH
    YANG, M
    WANG, RB
    ZHANG, L
    PHYSICAL REVIEW A, 1995, 51 (01): : 569 - 575
  • [40] Study of excited-state dynamics of D-π-A thiophene derivatives: Enhanced excited-state absorption and refraction
    Li, Jie
    Jia, Jidong
    Zhou, Wenfa
    Wu, Xingzhi
    Yang, Junyi
    Song, Yinglin
    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 2024, 449