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Polystyrene Microspheres Decorated with Au 4 Cu 5 Nanoclusters and their Application in Catalytic Reduction of 4‐Nitrophenol
Author(s) -
Zhen Yaru,
Liu Danyu,
Zhou Manman,
Lin Zhenzhen,
Jin Shan,
Chen Shuang,
Hu Daqiao,
Zhu Manzhou
Publication year - 2021
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202102193
Subject(s) - nanoclusters , nanomaterial based catalyst , catalysis , x ray photoelectron spectroscopy , polystyrene , 4 nitrophenol , materials science , chemical engineering , selective catalytic reduction , adsorption , nanocomposite , nanotechnology , nanoparticle , chemistry , organic chemistry , polymer , engineering , composite material
Ultrasmall nanoclusters are emerging nanocatalysts due to their distinct physico‐chemical properties. However, the instability and agglomeration of these nanoclusters restrict their practical application. Herein, we designed a negatively charged cross‐linked polystyrene (PS) microsphere as support and decorated it with positively charged ultrasmall [Au 4 Cu 5 (Dppm) 2 (C 6 H 11 S) 6 ] + [BPh 4 ] − (Au 4 Cu 5 , in which Dppm stands for bis‐(diphenylphosphino)methane) nanoclusters through strong electrostatic adsorption, as evidenced by X‐ray photoelectron spectroscopy. The PS@Au 4 Cu 5 nanocomposites were well‐dispersed in water, exhibiting enhanced catalytic activity for the reduction reaction of 4‐nitrophenol to produce 4‐aminophenol. These findings open promising opportunities for supported nanocluster catalysis.