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]

引用

页数：4

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