Formation of uniform mesoporous TiO2 @C-Ni hollow hybrid composites

Dalton Transactions : an International Journal of Inorganic Chemistry
Yang LingJingli Xu

Abstract

Highly efficient bifunctional metallic nickel nanoparticles (NPs) are highly desired for practical applications in catalysis and adsorption. However, the low surface area and the aggregation often lead to their poor activities during catalysis and adsorption. Here, we have developed a facile strategy to synthesize monodisperse magnetic mesoporous TiO2(mTiO2)@C-Ni hollow spheres using carboxyl-functionalized polystyrene (CPS) spheres as sacrificial templates, which exhibit excellent performance during both catalysis of 4-nitrophenol (4-NP) and good affinity towards His-rich proteins. The enhanced activity of hybrid mTiO2@C-Ni composites could be related to their hollow structure, large surface area, high density of nickel NPs, and the monodisperse morphology. The results reported here may open a new avenue for the construction of advanced nanostructures for promising applications in catalysis, adsorption, energy storage, etc.

References

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Dec 18, 2010·Colloids and Surfaces. B, Biointerfaces·Chunyin LuPeng Liu
Jan 15, 2011·Chemical Communications : Chem Comm·Jun Song ChenXiong Wen Lou
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Oct 9, 2014·Dalton Transactions : an International Journal of Inorganic Chemistry·Zhongyi NiuPiaoping Yang
Sep 22, 2015·Nanoscale·Zhenyu JiangJian Xu
Sep 16, 2016·Advanced Materials·Bu Yuan GuanXiong Wen David Lou
Jan 17, 2017·Advanced Materials·Le YuXiong Wen David Lou

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Methods Mentioned

BETA
X-ray
scanning
transmission electron microscopy
electrophoresis
thermal treatment

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