Synthesis of Monodispere Au@Co 3 O 4  Core‐Shell Nanocrystals and Their Enhanced Catalytic Activity for Oxygen Evolution Reaction | Zendy

Zhuang Zhongbin | Zendy; Sheng Wenchao | Zendy; Yan Yushan | Zendy

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Synthesis of Monodispere Au@Co 3 O 4 Core‐Shell Nanocrystals and Their Enhanced Catalytic Activity for Oxygen Evolution Reaction

Author(s) -

Zhuang Zhongbin,

Sheng Wenchao,

Yan Yushan

Publication year - 2014

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.201400336

Subject(s) - nanocrystal , dispersity , materials science , catalysis , oxygen evolution , nanotechnology , shell (structure) , chemical engineering , chemistry , organic chemistry , polymer chemistry , electrode , composite material , engineering , electrochemistry

Novel OER catalysts – monodisperse Au@Co 3 O 4 core‐shell nanocrystals – have been prepared by synthesizing Au nanocrystals, followed by deposition of Co shells and their conversion to Co 3 O 4 shells. Owing to the synergistic effect, Au@Co 3 O 4 nanocrystals have an OER activity 7 times as high as a Au and Co 3 O 4 nanocrystals mixture or Co 3 O 4 nanocrystals alone, and 55 times as high as Au nanocrystals alone.

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