Photopolymerization of C60 and Li@C60 studied by second-harmonic generation and infrared spectroscopy

被引：0
|
作者：
C. Stanciu
R. Ehlich
I.V. Hertel
机构：
[1] Max Born Institute,
来源：
Applied Physics A | 2004年 / 79卷
关键词：
Spectroscopy; Fullerene; Irradiation Dose; Infrared Spectroscopy; Absorption Spectroscopy;
D O I：
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中图分类号：
学科分类号：
摘要：
The photopolymerization of C60 and Li@C60 films was investigated by means of optical second-harmonic generation. The films were deposited under ultra-high-vacuum conditions and irradiated in situ with an Ar+ laser at 514 nm. The second harmonic generated by a Nd:YAG laser working at 1064 nm was monitored after different steps of irradiation. Photopolymerization was observed after very low irradiation doses, of the order of 1020 photons/cm2, and confirmed with infrared absorption spectroscopy. Similar kinetics for C60 and Li@C60 were observed. The measurements give evidence for photopolymerization of the endohedral fullerene Li@C60.
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页码：515 / 520
页数：5
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