Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556
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Nuclear Science and Techniques ›› 2009, Vol. 20 ›› Issue (4): 197-201 doi: 10.13538/j.1001-8042/nst.20.197-201

• LOW ENERGY ACCELERATOR AND RADIATION APPLICATIONS • Previous Articles     Next Articles

Optical absorption of ion irradiated multi-walled carbon nanotube sheets in the visible to terahertz ranges

ISHAQ Ahmad1,2 YAN Long1,* HE Suixia1 ZHU Dezhang1 ZHOU Xingtai1   

  1. 1 Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
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ISHAQ Ahmad, YAN Long, HE Suixia, ZHU Dezhang, ZHOU Xingtai. Optical absorption of ion irradiated multi-walled carbon nanotube sheets in the visible to terahertz ranges.Nuclear Science and Techniques, 2009, 20(4): 197-201     doi: 10.13538/j.1001-8042/nst.20.197-201

Abstract:

Optical absorption of Ar and H ion beam irradiated multi-walled carbon nanotube (MWCNT) sheets at various doses in the visible and terahertz spectral ranges was investigated. It was found that the optical absorption of MWCNT sheets in the visible range was decreased with increasing ion irradiation dose. Similar behavior was observed in terahertz range, where the optical absorption of MWCNT sheets in the range of 0 to 1.5 THz was also decreased with increasing ion irradiation dose. The optical absorption decreases in irradiated MWCNT sheets can be ascribed to the increase of defects in the irradiated MWCNTs.

Key words: Carbon nanotubes, Ion irradiation, Optical absorption

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