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Mohammad, Fasiuddin Arif
- Optimization of Cuprous Oxide Nanocrystals Deposition on Multiwalled Carbon Nanotubes
Authors
1 Dr. Reddys Laboratories, Bachupally, Hyderabad, A.P, IN
2 National Institute of Pharmaceutical Education and Research (NIPER ), Balanagar, Hyderabad, A.P, IN
3 Axis Clinicals Limited, Miyapoor, Hyderabad, A.P., IN
4 RSI Laboratories, Hyderabad, AP,, IN
Source
Asian Journal of Research in Chemistry, Vol 5, No 1 (2012), Pagination: 116-122Abstract
Cu (I) phenyl acetylide was used as a source of copper to achieve a homogeneous distribution of Cu2O nanocrystals (10-80 nm) decorated on multiwalled carbon nanotubes (MWCNTs) having an average diameter of 10 nm. Pristine MWCNTs were first oxygen-functionalized by treating them with a mixture of concentrated (H2SO4/HNO3 : 3/1) acids and the products were characterized by X-ray powder diffraction, transmission and scanning electron microscopy, energy dispersive X-ray analysis, X-ray photoelectron spectroscopy and thermogravimetric analysis. An easy, efficient and one-step impregnation method was followed to produce copper-containing nanoparticles on the MWCNTs. The copper-treated MWCNTs dried at room temperature were seen to be well decorated by copper-containing nanoparticles on their outer surface. The MWCNTs were then heat-treated at 400 °C in a nitrogen atmosphere to produce a homogeneous distribution of cuprous oxide nanocrystals on their surface. By varying the ratio of copper to oxygen-functionalized MWCNTs, Cu2O nanocrystals decorated on MWCNTs with different copper content can be obtained.