An ultra-low Pd loading nanocatalyst with efficient catalytic activity.

Nanoscale. 2015 ;7(12):5510-5.

Yunxia Jin,1,2   Jiangbo Xi,1   Zheye Zhang,1   Junwu Xiao,1  Fei Xiao,1   Lihua Qian3 and   Shuai Wang*1  

Laboratory for Large-format Battery Materials and Systems, Advanced Optoelectronic/Energy Materials and Inter-face Chemistry Joint Laboratory, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P. R. China .

E-mail: [email protected]

School of Electrical and Information Technology, Yunnan University of Nationalities, Kunming 650031, China.
School of Physics, Huazhong University of Science and Technology, Wuhan 430074, P. R. China.

 

Abstract

An ultra-low Pd loading nanocatalyst is synthesized by a convenient solution route of photochemical reduction and aqueous chemical growth. The modification of nanocatalyst structures is investigated through changing morphologies of Pd nanoclusters on the surface of ZnO nanorods. A significant enhancement in photocatalytic properties has been achieved by decorating a trace amount of Pd clusters (0.05 at%) on the surface of ZnO nanorods. The reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) is applied to demonstrate multiple catalytic activities in the Pd-ZnO hybrid nanocatalyst, which also provides a better understanding of the relationship between the unique nanoconfigured structure and catalytic performance.

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