Interaction between Multi-walled Carbon Nanotubes and Bromime and Conducting Mechanism

Acta Chimica Sinica ›› 2008, Vol. 66 ›› Issue (6): 675-679. Previous Articles Next Articles

Original Articles

多壁碳纳米管与溴的相互作用及导电机理

唐国强, 王红敏, 晋圣松, 边成香, 韩菲菲, 梁旦, 徐学诚*

(华东师范大学物理系纳米功能材料与器件应用研究中心上海 200062)

投稿日期:2007-06-19 修回日期:2007-11-14 发布日期:2008-03-28
通讯作者: 徐学诚

Interaction between Multi-walled Carbon Nanotubes and Bromime and Conducting Mechanism

TANG Guo-Qiang; WANG Hong-Min; JIN Sheng-Song; BIAN Cheng-Xiang; HAN Fei-Fei; LIANG Dan; XU Xue-Cheng*

(Center of Functional Nanomaterials and Devices, Department of Physics, East China Normal University, Shanghai 200062)

Received:2007-06-19 Revised:2007-11-14 Published:2008-03-28
Contact: XU Xue-Cheng

Abstract

Through adsorption of bromine vapor, the electrical conductivity of multi-walled carbon nanotubes (MWNT) can be enhanced by 3 times. XPS, NIR, UV and Raman spectra indicated that there was conjugative effect between MWNT and bromine which induced the movement of π electrons from MWNT to bromine to increase the hole carrier density. According to the semiconductor energy bands, a microsystem model of Br₂-adsorbed MWNT was assumed to interpret the interaction between bromine and MWNT and the conducting mechanism of bromine adsorbed MWNT.

Key words: multi-walled carbon nanotube, bromine, electrical conductivity, conjugate, carrier

Cite this article

TANG Guo-Qiang; WANG Hong-Min; JIN Sheng-Song; BIAN Cheng-Xiang; HAN Fei-Fei; LIANG Dan; XU Xue-Cheng*. Interaction between Multi-walled Carbon Nanotubes and Bromime and Conducting Mechanism[J]. Acta Chimica Sinica, 2008, 66(6): 675-679.

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多壁碳纳米管与溴的相互作用及导电机理

Interaction between Multi-walled Carbon Nanotubes and Bromime and Conducting Mechanism

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