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Formation of Prussian‐Blue‐Analog Nanocages via a Direct Etching Method and their Conversion into Ni–Co‐Mixed Oxide for Enhanced Oxygen Evolution
Author(s) -
Han Lei,
Yu XinYao,
Lou Xiong Wen David
Publication year - 2016
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.201506315
Subject(s) - prussian blue , nanocages , materials science , oxide , oxygen evolution , annealing (glass) , etching (microfabrication) , nanotechnology , nanocrystal , chemical engineering , metallurgy , chemistry , catalysis , organic chemistry , electrode , layer (electronics) , engineering , electrochemistry
Novel Ni–Co‐Prussian‐blue‐analog nanocages consisting of pyramid‐like walls were prepared via a facile chemical etching process with ammonia at room temperature. After annealing in air, the derived Ni–Co mixed oxide nanocages exhibit enhanced electrocatalytic activity and excellent stability toward the oxygen‐evolution reaction.