Anion Etching for Accessing Rapid and Deep Self-Reconstruction of Precatalysts for Water Oxidation

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Wang, Y
Zhu, Y
Zhao, S
She, S
Zhang, F
Chen, Y
Williams, T
Gengenbach, T
Zu, L
Mao, H
Zhou, W
Shao, Z
Wang, H
Zhao, D
et al.
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2020
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Abstract

Rapid and deep self-reconstruction (SELF-RECON) was achieved through rational design of the precatalyst. The obtained core-shell nanowired precatalyst (NiMoFeO@NC) consists of NiMoO4 nanoparticles (core) and NiFe/NiFeOx nanoparticles in N-doped carbons (shell). The SELF-RECON process was facilitated by rapid MoO42− dissolution in the core of NiMoFeO@NC and fast formation of NiOOH with Fe incorporation simultaneously, which was monitored and demonstrated by in situ Raman experiments. The obtained SELF-RECONCAT outperforms NiMoFeO@NC, with ultralow overpotentials and extraordinary long-term stability.

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Matter

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This publication has been entered as an advanced online version in Griffith Research Online.

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Environmental sciences

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Wang, Y; Zhu, Y; Zhao, S; She, S; Zhang, F; Chen, Y; Williams, T; Gengenbach, T; Zu, L; Mao, H; Zhou, W; Shao, Z; Wang, H; Tang, J; Zhao, D; Selomulya, C, Anion Etching for Accessing Rapid and Deep Self-Reconstruction of Precatalysts for Water Oxidation, Matter, 2020

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