A branched luminescent multinuclear platinum(II) complex

被引：3
|
作者：
Yang, Hui [1 ]
Xu, S. J. [1 ]
Tao, Chi-Hang [2 ,3 ]
Yam, Vivian Wing-Wah [2 ,3 ]
Zhang, Jie [4 ]
机构：
[1] Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China
[2] Univ Grants Comm Hong Kong, Areas Excellence Scheme, Inst Mol Funct Mat, Hong Kong, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[4] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2011年 / 110卷 / 04期
关键词：
FLUORESCENCE CORRELATION SPECTROSCOPY; 2-PHOTON ABSORPTION; ROOM-TEMPERATURE; EXCITATION; LASER; DEPENDENCE; MOLECULES; SAPPHIRE; SECTIONS; STORAGE;
D O I：
10.1063/1.3622587
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nonlinear optical properties of luminescent multinuclear platinum(II) complex of branched alkynyls in benzene solution are investigated at room temperature by using two-photon fluorescence (TPF) technique. It is found that the material shows unusual nonlinear optical characteristics under the excitation of near infrared femtosecond laser pulses. The self-focusing of laser beam energy during propagation of the laser pulses in the sample with large nonlinear coefficient for the refractive index is observed. Based on this phenomenon, a new method for measuring the nonlinear coefficient and two-photon absorption cross section of materials is proposed. (C) 2011 American Institute of Physics. [doi:10.1063/1.3622587]
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页数：4
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