A general strategy for the preparation of carbon nanotubes and graphene oxide decorated with PdO nanoparticles in water.

Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry
Hongkun He, Chao Gao

Abstract

The preparation of carbon nanotube (CNT)/PdO nanoparticles and graphene oxide (GO)/PdO nanoparticle hybrids via a general aqueous solution strategy is reported. The PdO nanoparticles are generated in situ on the CNTs and GO by a one-step "green" synthetic approach in aqueous Pd(NO(3))(2) solution under ambient conditions without adding any additional chemicals. The production of PdO is confirmed by energy dispersive X-ray spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Raman spectroscopy, and thermal gravimetric analysis. The morphologies of the resulting CNT/PdO and GO/PdO nanohybrids are characterized by transmission and/or scanning transmission electron microscopy. PdO nanoparticles with an average size of 2-3 nm in diameter are decorated evenly along the surfaces of CNTs and GO. This synthesis strategy is demonstrated to be compatible for 1) CNTs with different modifications, including pristine, oxidized, and polymer-functionalized CNTs; 2) different types of CNTs, including single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), and multiwalled carbon nanotubes (MWCNTs); and 3) different shapes of carbon materials, including tubular CNTs and planar GO. The as-prepared CNT/PdO an...Continue Reading

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Citations

Apr 25, 2013·Bioresource Technology·Sung Wook WonYeoung-Sang Yun
Feb 22, 2014·Accounts of Chemical Research·Zhen Xu, Chao Gao
May 9, 2014·ACS Applied Materials & Interfaces·Haitao WangChongzheng Na

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Methods Mentioned

BETA
transmission electron microscopy
X-ray

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