Issue 48, 2022
From the journal:

Physical Chemistry Chemical Physics

Enhancement of oxygen reduction reactivity on TiN by tuning the work function via metal doping†

Mitsuharu Chisaka, ORCID logo *a   Toshiyuki Abe, ORCID logo b   Rong Xiang, ORCID logo cd   Shigeo Maruyama ORCID logo d  and  Hirofumi Daiguji ORCID logo d  

* Corresponding authors

a Department of Sustainable Energy, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Aomori 036-8561, Japan
E-mail: chisaka@hirosaki-u.ac.jp

b Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Japan

c State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China

d Department of Mechanical Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113–8656, Japan

Abstract

Oxide layers on conductive TiN have recently been investigated to catalyse the oxygen reduction reaction (ORR) in acidic media. The ORR reactivity, i.e., activity and selectivity, has been correlated with the surface nitrogen atoms. A new strategy, optimising the work function via the doping of foreign metals, is revealed herein to enhance the reactivity.

Graphical abstract: Enhancement of oxygen reduction reactivity on TiN by tuning the work function via metal doping

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Article information

DOI
https://doi.org/10.1039/D2CP04326B
Article type
Communication
Submitted
16 Sep 2022
Accepted
12 Nov 2022
First published
15 Nov 2022

Phys. Chem. Chem. Phys., 2022,24, 29328-29332

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Enhancement of oxygen reduction reactivity on TiN by tuning the work function via metal doping

M. Chisaka, T. Abe, R. Xiang, S. Maruyama and H. Daiguji, Phys. Chem. Chem. Phys., 2022, 24, 29328 DOI: 10.1039/D2CP04326B

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