Solution-phase synthesis of chromium-functionalized single-walled carbon nanotubes

被引：6

作者：

Kalinina, Irina ^{[1
,2
]}

Al-Hadeethi, Yas Fadel ^{[3
]}

Bekyarova, Elena ^{[1
,2
]}

Zhao, Chao ^{[4
]}

Wang, Qingxiao ^{[4
]}

Zhang, Xixiang ^{[4
]}

Al-Zahrani, Ali

Al-Agel, Faisal ^{[3
,5
]}

Al-Marzouki, Fahad ^{[3
]}

Haddon, Robert C. ^{[1
,2
,3
]}

机构：

[1] Univ Calif Riverside, Ctr Nanoscale Sci & Engn, Riverside, CA 92521 USA

[2] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA

[3] King Abdulaziz Univ, Dept Phys, Jeddah 21589, Saudi Arabia

[4] King Abdullah Univ Sci & Technol, Imaging & Characterizat Core Lab & PSE, Thuwal 23955, Saudi Arabia

[5] Univ Hail, Dept Phys, Fac Sci, Hail, Saudi Arabia

来源：

MATERIALS LETTERS | 2015年 / 142卷

关键词：

Carbon nanotubes; Organometallic compounds; Chromium; Metal clusters; TEM; EXCHANGE-REACTIONS; CHEMISTRY; INTERCONNECTS; COORDINATION; CLUSTERS; SURFACES;

D O I：

10.1016/j.matlet.2014.11.157

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The solution phase reactions of single-walled carbon nanotubes (SWNTs) with Cr(CO)(6) and benzene-Cr (CO)(3) can lead to the formation of small chromium clusters. The cluster size can be varied from less than 1 nm to about 4 nm by increasing the reaction time. TEM images suggest that the clusters are deposited predominantly on the exterior walls of the nanotubes. TGA analysis was used to obtain the Cr content and carbon to chromium ratio in the Cr-complexed SWNTs. It is suggested that the carbon nanotube benzenoid structure templates the condensation of chromium atoms and facilitates the loss of carbon monoxide leading to well defined metal clusters. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：312 / 316

页数：5

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