Observation of Two-Photon Induced Excited-State Absorption Phenomena in C60 and C70 Derivatives

被引：1
作者：
Ouyang Xin-Hua [1 ]
Lu Liang [1 ]
Ge Zi-Yi [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 08期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
FULLERENES;
D O I：
10.1088/0256-307X/29/8/087801
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Four fullerene dyads with different cabazole units, named a, b, c, d, were studied by using a femtosecond laser with 780 nm wavelength using Z-scan methods. Interestingly, all of them show strong two-photon induced excited-state absorption behaviors, which were observed firstly in femtosecond timescale. The values of their excited-state absorption cross-section were up to 6.07 x 10(-18), 7.27 x 10(-18), 3.86 x 10(-18) and 4.51 x 10(-18) cm(-1) for a, b, c, and d, respectively.
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页数：3
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