Magnetic Pd/Fe3O4 Composite: Synthesis, Structure, and Catalytic Activity
Shi-Qiang Bai A D , Lu Jiang B , Sheng-Li Huang A , Ming Lin A , Shuang-Yuan Zhang A , Ming-Yong Han A D , Jianwei Xu A , Yixin Lu B , Guo-Xin Jin C and T. S. Andy Hor A B D
+ Author Affiliations
- Author Affiliations
A Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, Singapore 117602, Republic of Singapore.
B Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Republic of Singapore.
C Advanced Materials Laboratory, Department of Chemistry, Fudan University, Shanghai 200433, China.
D Corresponding authors. Email: bais@imre.a-star.edu.sg; my-han@imre.a-star.edu.sg; andyhor@imre.a-star.edu.sg
Australian Journal of Chemistry 67(10) 1387-1390 https://doi.org/10.1071/CH14148
Submitted: 16 March 2014 Accepted: 24 April 2014 Published: 23 June 2014
Abstract
Composite Pd/Fe3O4 (1) was designed and synthesised by immobilization of tridentate pincer ligands with triethoxysilane groups on Fe3O4 nanoparticles, PdII complexation, and in-situ reduction process. The composite was characterised by transmission electron microscopy, scanning electron microscopy energy-dispersive X-ray spectroscopy, powder X-ray diffraction, vibrating sample magnetometer, Fourier transform infrared spectroscopy, thermogravimetric analysis, and Brunauer–Emmett–Teller analysis. The composite featured Pd nanoparticles of ~2–4 nm, exhibited good thermal stability and hydrophilic property as well as excellent catalytic activity towards the reduction of 4-nitrophenol to 4-aminophenol in water.
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