The durability of carbon nanotubes in the selective reduction of nitrobenzene

Surface oxidized carbon nanotubes (oCNTs) were quite stable for the selective reduction of nitrobenzene, while notable deactivation was observed for the un-oxidized sample (rCNTs). The adsorption of N-containing compounds had a negligible effect, but the formation of a carboxyl group and anhydride w...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2020-03, Vol.22 (12), p.6524-6527
Main Authors: Guo, Zhenzhen, Zheng, Nuoyi, Zhang, Liyun, Xia, Zhijun, Wang, Dehua, Shen, Jianfen, Yan, Hua, Wu, Shuchang, Liu, Hongyang
Format: Article
Language:English
Subjects:
Carbon nanotubes
Carboxyl group
Deactivation
Nitrobenzene
Reduction
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Summary:Surface oxidized carbon nanotubes (oCNTs) were quite stable for the selective reduction of nitrobenzene, while notable deactivation was observed for the un-oxidized sample (rCNTs). The adsorption of N-containing compounds had a negligible effect, but the formation of a carboxyl group and anhydride was mainly responsible for the deactivation of rCNTs. The evolution of surface oxygenated groups plays an important role in the durability of CNTs in nitrobenzene reduction.
ISSN:1463-9076
1463-9084
DOI:10.1039/d0cp00186d