IrO2-Stablized La2IrO6 perovskite nanotubes via corner-shared interconnections as highly-efficient oxygen evolution electrocatalysts

Yuwei Jin; Wenjing Huo; Xuemei Zhou; Libin Zhang; Yong Li; Shuo Yang; Jinjie Qian; Dong Cai; Yongjie Ge; Zhi Yang; Huagui Nie

doi:10.1039/D2CC05562G

IrO₂-Stablized La₂IrO₆ perovskite nanotubes via corner-shared interconnections as highly-efficient oxygen evolution electrocatalysts†

Yuwei Jin,^a Wenjing Huo,^a Xuemei Zhou,

*^a Libin Zhang,^b Yong Li,^c Shuo Yang,^d Jinjie Qian,

^a Dong Cai,^a Yongjie Ge,^a Zhi Yang

*^a and Huagui Nie*^a

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* Corresponding authors

^a Key Laboratory of Carbon Materials of Zhejiang Province, Wenzhou University, Wenzhou 325035, P. R. China
E-mail: zxm.mei@163.com, yang201079@126.com, huaguinie@126.com

^b Hangzhou Electric Connector Factory, Hangzhou, China

^c College of Mechanical and Electrical Engineering, Wenzhou University, Wenzhou, China

^d College of Electrical and Electronic Engineering, Wenzhou University, Wenzhou, China

Abstract

One-dimensional nanotube heterostructures with IrO₂-stabilized La₂IrO₆ is obtained by an electrospinning approach. The La₂IrO₆/IrO₂ catalyst exhibits superior catalytic activity and strong stability for the oxygen evolution reaction. The synergistic cooperation between the two types of Ir as the active sites in La₂IrO₆/IrO₂ is demonstrated by in situ Raman spectrum and DFT calculation.

This article is part of the themed collection: Chemical Communications HOT Articles 2023

Chemical Communications

IrO₂-Stablized La₂IrO₆ perovskite nanotubes via corner-shared interconnections as highly-efficient oxygen evolution electrocatalysts†

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IrO₂-Stablized La₂IrO₆ perovskite nanotubes via corner-shared interconnections as highly-efficient oxygen evolution electrocatalysts

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