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Decomposition of C70 and C60 Under Laser Irradiation Monitored by Raman Spectroscopy |
| CHENG Guangxu1,2;ZANG Wencheng2;YANG Ping2;WANG Wennai2;GU Gang2;DOU Youwei2;FENG Duan2
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| 1Center of Material Analysis and 2the National Laboratory
of Solid State Microstructures, Nanjing University, Nanjing 210008
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| Cite this article: |
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CHENG Guangxu, ZANG Wencheng, YANG Ping et al 1992 Chin. Phys. Lett. 9 621-622 |
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Abstract The degradation of C60 in organic solution by light has been reported by Taylor et al. [Nature, 351 (1991)277]. The powders of the mixture of C60 and C70 prepared by arc heating ofgraphite electrodes in the environment of He gas was not to be stable with respect to intense irradiation of argon laser (488.0nm), as monitored by Raman spectrascopy, C70 is found to be first decomposed into fragmentary graphite, then C60 followed suit. It is interesting to note that besides graphite, some traces of diamond-like structure are shown confirming some speculations of Mackay [Nature, 352 (1991) 762]
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| Keywords:
78.30.-j
74.75.+t
05.70.-a
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Published: 01 November 1992
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