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Polyelectrolyte‐Multilayer‐Supported Au@Ag Core‐Shell Nanoparticles with High Catalytic Activity
Author(s) -
Zhang Xin,
Su Zhaohui
Publication year - 2012
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201201712
Subject(s) - bimetallic strip , nanoparticle , polyelectrolyte , materials science , catalysis , nanotechnology , shell (structure) , core (optical fiber) , chemical engineering , organic chemistry , chemistry , polymer , metal , metallurgy , composite material , engineering
Au‐Ag bimetallic core‐shell nanoparticles are synthesized in situ in polyelectrolyte multilayers via a sequential ion‐exchange/reduction process. The Au‐Ag bimetallic nanoparticles show a higher catalytic activity than Au and Ag monometallic ones for the reduction of 4‐nitrophenol by NaBH 4 .