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Water Splitting: Gold Doping in a Layered Co‐Ni Hydroxide System via Galvanic Replacement for Overall Electrochemical Water Splitting (Adv. Funct. Mater. 43/2018)
Author(s) -
Sultana Ummul K.,
Riches James D.,
O'Mullane Anthony P.
Publication year - 2018
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201870306
Subject(s) - materials science , water splitting , hydroxide , oxygen evolution , galvanic cell , doping , electrochemistry , nanomaterials , metal , composite number , inorganic chemistry , chemical engineering , nanotechnology , metallurgy , catalysis , composite material , chemistry , electrode , optoelectronics , organic chemistry , photocatalysis , engineering
Introducing a low concentration of gold into Co(OH) 2 followed by electrodeposition of Ni(OH) 2 , yields a Co(OH) 2 ‐Au‐Ni(OH) 2 composite active in overall water splitting, as Anthony P. O'Mullane and co‐workers report in article number 1804361 . Activity for hydrogen evolution or oxygen evolution could be achieved by tuning the gold content between 0.1 and 0.2 at%. This approach may also be applicable to other metal hydroxide/metal nanomaterial composites.