Oxygen Evolution Reaction: Electron Correlations Engineer Catalytic Activity of Pyrochlore Iridates for Acidic Water Oxidation (Adv. Mater. 6/2019) | Zendy

Shang Chunyan | Zendy; Cao Cong | Zendy; Yu Dayou | Zendy; Yan Yu | Zendy; Lin Yitao | Zendy; Li Hongliang | Zendy; Zheng Tingting | Zendy; Yan Xupeng | Zendy; Yu Wenchao | Zendy; Zhou Shiming | Zendy; Zeng Jie | Zendy

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Oxygen Evolution Reaction: Electron Correlations Engineer Catalytic Activity of Pyrochlore Iridates for Acidic Water Oxidation (Adv. Mater. 6/2019)

Author(s) -

Shang Chunyan,

Cao Cong,

Yu Dayou,

Yan Yu,

Lin Yitao,

Li Hongliang,

Zheng Tingting,

Yan Xupeng,

Yu Wenchao,

Zhou Shiming,

Zeng Jie

Publication year - 2019

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.201970042

Subject(s) - pyrochlore , ionic radius , oxygen evolution , materials science , catalysis , ionic bonding , oxygen , inorganic chemistry , nanoparticle , ion , radius , atomic orbital , metal , chemical engineering , electron , chemistry , nanotechnology , metallurgy , organic chemistry , electrochemistry , physics , computer security , electrode , quantum mechanics , computer science , phase (matter) , engineering

In article number 1805104 , Shiming Zhou, Jie Zeng, and co‐workers develop pyrochlore‐type iridate oxides R 2 Ir 2 O 7 (R = rare‐earth‐metal ions) as highly active and stable oxygen evolution reaction (OER) catalysts for acidic water oxidation, overwhelmingly superior to the benchmark IrO 2 nanoparticles. The increase of the ionic radius of the R species strengthens hybridization between the Ir 5d and O 2p orbitals, which is responsible for the high OER activity.

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