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Citation: HE Xiaoyan, LIU Zhirong, FAN Fuhong, QIANG Shenglu, CHENG Li. Preparation of Palladium/Polyelectrolyte Hollow Nanospheres and Their Catalytic Activity in 4-Nitrophenol Reduction[J]. Chinese Journal of Applied Chemistry, ;2015, 32(3): 310-316. doi: 10.11944/j.issn.1000-0518.2015.03.140204 shu

Preparation of Palladium/Polyelectrolyte Hollow Nanospheres and Their Catalytic Activity in 4-Nitrophenol Reduction

1.
Key Laboratory of Bioelectrochemistry and Environmental Analysis of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

Corresponding author: HE Xiaoyan,
Received Date: 11 June 2014
Available Online: 30 October 2014
Fund Project: 国家自然科学基金地区基金项目(21164010) (21164010)甘肃省自然科学基金项目(1107RJZA149) (1107RJZA149)

Pd/polyelectrolyte hollow nanospheres were prepared by a facile method that combined the surfaceinitiated atom transfer radical polymerization(SI-ATRP) and in situ growth of metal nanoparticles.Transmission electron microscopy(TEM),Fourier transform infrared spectra(FTIR),energy-dispersive X-ray(EDX) and thermogravimetric analysis(TGA) were used to characterize the morphology and structure of air@PMETAI@Pd(PMETAI:poly{[2-(methacryloyloxy) ethyl] trimethylammonium iodide}) nanospheres.The result shows that Pd nanoparticles with diameter of(1.5±0.2) nm are homogeneously embedded inside the polyelectrolyte layer. Catalytic activity of the Pd/polyelectrolyte hollow nanospheres was investigated by the reduction of 4-nitrophenol with NaBH₄ as a model reaction. It is found that they displayed excellent catalytic properties and good reusability.
- Pd nanoparticles,
- polyelectrolyte hollow nanospheres,
- catalyst,
- nitrophenol
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