| 紫外激光和压力共同作用下C60-peapod的聚合相变研究 |
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| 引用本文： | 邹永刚,刘冰冰,姚明光,侯元元,王 霖,于世丹,王 鹏,崔 田,邹广田,B. Sundqvist,王国瑞,刘益春.紫外激光和压力共同作用下C60-peapod的聚合相变研究[J].物理学报,2007,56(9):5172-5175. |
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| 作者姓名： | 邹永刚 刘冰冰 姚明光 侯元元 王 霖 于世丹 王 鹏 崔 田 邹广田 B. Sundqvist 王国瑞 刘益春 |
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| 作者单位： | (1)东北师范大学物理学院,长春 130024; (2)吉林大学超硬材料国家重点实验室,长春 130012; (3)瑞典Ume大学物理系,S-90187 |
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| 基金项目： | 国家自然科学基金(批准号：10674053,10204010,10574053)， 跨世纪优秀人才培养计划(批准号：20020183050)，教育部科技创新工程重大培育项目(批准号：2004-295)，国家重点基础研究发展计划(批准号：2005 CB724400, 2001CB711201)和吉林省科技发展计划项目以及Swedish research council资助的课题. |
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| 摘 要： | 采用气相扩散方法将C60分子填充到单壁碳纳米管(SWNTs)中，制备出高填充比率的豆荚形纳米材料C60@SWNT，又称为peapod.用金刚石对顶砧(DAC)装置获得高压，在高压下同时利用紫外激光处理样品，通过激光和压力的共同作用研究了C60分子在碳管内的聚合相变.在21.5GPa高压下，同时紫外激光(325nm)照射30min后，拉曼光谱表明C60分子在碳管内发生了聚合，形成一维链状O相聚合结构，且该相变是不可逆的.
关键词：
60 peapod')" href="#">C60 peapod
紫外激光
高压
拉曼光谱
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| 关 键 词： | C60 peapod 紫外激光 高压 拉曼光谱 |
| 文章编号： | 1000-3290/2007/56(09)/5172-04 |
| 收稿时间： | 2007-01-10 |
| 修稿时间： | 2007-01-10 |
Effective polymerization of C60 in SWNTs under high pressure and simultaneous UV light irradiation |
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| Zou Yong-Gang,Liu Bing-Bing,Yao Ming-Guang,Hou Yuan-Yuan,Wang Lin,Yu Shi-Dan,Wang Peng,Cui Tian,Zou Guang-Tian,Sundqvist B.,Wang Guo-Rui and Liu Yi-Chun.Effective polymerization of C60 in SWNTs under high pressure and simultaneous UV light irradiation[J].Acta Physica Sinica,2007,56(9):5172-5175. |
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| Authors: | Zou Yong-Gang Liu Bing-Bing Yao Ming-Guang Hou Yuan-Yuan Wang Lin Yu Shi-Dan Wang Peng Cui Tian Zou Guang-Tian Sundqvist B Wang Guo-Rui and Liu Yi-Chun |
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| Institution: | 1 National Laboratory of Superhard Materials, Jilin University, Changchun 130012, China; 2Department of Physics, Umed University, S-90187 Umed , Sweden;3 Centre for Advanced Optoelectronic Functional Material Research, Northeast Normal University, Changchun 130024, China |
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| Abstract: | The C60@SWNT (peapod) samples were prepared by the vapor diffusion method. Polymerization of C60 molecules in single walled carbon nanotubes (SWNTs) under high pressure and simultaneous irradiation of UV laser (325 nm) has been carried out for the first time by using diamond anvil cell. Raman spectra of the peapod samples decompressed from high pressure indicated that C60 molecules form one-dimensional orthorhombic polymer in SWNTs under UV laser irradiation at a high pressure of 21.5GPa, which is lower than that for the polymerization of samples induced by high pressure only. The polymerization is an irreversible phase transition in the peapod. |
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| Keywords: | C60 peapod UV laser high pressure Raman spectra |
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