新疆煤基碳纳米管的调控制备

引用本文: 吴霞, 王鲁香, 刘浪, 贾殿赠. 新疆煤基碳纳米管的调控制备[J]. 无机化学学报, 2013, 29(9): 1842-1848. doi: 10.3969/j.issn.1001-4861.2013.00.292 shu

Citation: WU Xia, WANG Lu-Xiang, LIU Lang, JIA Dian-Zeng. Controllable Preparation of Carbon Nanotubes from Xinjiang Coal[J]. Chinese Journal of Inorganic Chemistry, 2013, 29(9): 1842-1848. doi: 10.3969/j.issn.1001-4861.2013.00.292 shu

新疆煤基碳纳米管的调控制备

基金项目:
国家自然科学基金(No.U1203292) (No.U1203292)

新疆自治区高技术项目(No.201016118) (No.201016118)

教育部“长江学者和创新团队发展计划”(No.IRT1081)资助项目。 (No.IRT1081)

摘要: 以新疆产煤为碳源,采用直流电弧放电法制备了不同管径的碳纳米管。利用场发射扫描电子显微镜、高倍透射电子显微镜、激光显微共聚焦拉曼光谱仪等对产物进行了表征。研究结果表明:在新疆大黄山、黑山和库车煤田的产煤中,库车产煤是用直流电弧放电法制备碳纳米管的最优碳源。以此为原料,镍粉和硫化亚铁混合物为催化剂,Ar气氛下可得到直径约为500 nm的竹节状碳纳米管,其缺陷密度比相同条件下N₂和He气氛所得碳纳米管的缺陷密度小,并探讨了Ar气氛下煤基竹节状碳纳米管的生长机理。

关键词:

煤;直流电弧放电法;碳纳米管

English

Controllable Preparation of Carbon Nanotubes from Xinjiang Coal

1.
Key Laboratory of Material and Technology for Clean Energy, Ministry of Education, Key Laboratory of Advanced Functional Materials, Autonomous Region, Institute of Applied Chemistry Xinjiang University, Urumqi, 830046, China
Received Date: 07 April 2013
Fund Project:
国家自然科学基金(No.U1203292)

新疆自治区高技术项目(No.201016118)

教育部“长江学者和创新团队发展计划”(No.IRT1081)资助项目。

Abstract: Carbon nanotubes (CNTs) were synthesized by direct current arc discharge using three different types of coal (Dahuangshan, Heishan, Kuche) from Xinjiang, and the effects of coal species, currents, pressures, catalysts and atmospheres on the yield and morphologies of CNTs were investigated. The starting material, i.e., coal, was investigated by thermogravimetry and X-ray diffraction. In addition, the composition of the three types of coal was tested by industrial analysis and elemental analysis. The CNT samples obtained under different synthesis conditions were studied by field-emission scanning electron microscopy, high resolution transmission electron microscopy and Raman spectroscopy. Based on the analyses of different starting coal, catalysts and synthesis atmospheres, it was found that the highest yield of CNTs was obtained using Kuche coal with 12% mixture of the nickel and ferrous sulfide, and the CNTs obtained under argon have a more uniform structure. The average diameter of CNTs obtained under argon, nitrogen and helium decrease successively. The results showed that the structure and the diameter distribution of CNTs varied with different gases used during synthesis. The mechanism on the formation of different structural CNTs was discussed.

Key words:

coal;DC arc discharge;carbon nanotubes

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

新疆煤基碳纳米管的调控制备

English

Controllable Preparation of Carbon Nanotubes from Xinjiang Coal

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

新疆煤基碳纳米管的调控制备

English

Controllable Preparation of Carbon Nanotubes from Xinjiang Coal

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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