Creation of an immiscible OsPd solid solution as a Rh-free catalyst with NOx reduction performance exceeding that of Rh

Bo Huang; Ying Qin; Junyun Gao; Zhe Tan; Hong Zheng

doi:10.1039/D5TA01068C

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Creation of an immiscible OsPd solid solution as a Rh-free catalyst with NO_x reduction performance exceeding that of Rh†

Bo Huang,

*^abc Ying Qin,^ab Junyun Gao,^ab Zhe Tan

*^bc and Hong Zheng*^d

Author affiliations

* Corresponding authors

^a School of Chemical Engineering and Technology, Xi'an Jiaotong University, Innovation Harbour, Xixian-ward, Xi'an 712000, China
E-mail: bohuang@xjtu.edu.cn

^b Shaanxi Tianyi Element Technology Co., Ltd, High-tech Industrial Development Zone, Xianyang 712000, China

^c National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology, Xi'an Jiaotong University, Innovation Harbour, Xixian-ward, Xi'an 712000, China
E-mail: tanzhe@stu.xjtu.edu.cn

^d The Key Laboratory of Electrical Insulation and Power Equipment, Center of Nanomaterials for Renewable Energy, School of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, China
E-mail: zhenghong666@xjtu.edu.cn

Abstract

We synthesized an atomic-level homogeneously distributed OsPd immiscible solid solution for the first time. It exhibited a much higher NO_x reduction activity than the best monometal catalyst, Rh. Additionally, the origin of the high activity was revealed as the rapid NO dissociation and its low activation energy on the OsPd solid solution.

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Article information

DOI: https://doi.org/10.1039/D5TA01068C
Article type: Communication
Submitted: 10 Feb 2025
Accepted: 14 Apr 2025
First published: 14 Apr 2025

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J. Mater. Chem. A, 2025, Advance Article

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Creation of an immiscible OsPd solid solution as a Rh-free catalyst with NO_x reduction performance exceeding that of Rh

B. Huang, Y. Qin, J. Gao, Z. Tan and H. Zheng, J. Mater. Chem. A, 2025, Advance Article , DOI: 10.1039/D5TA01068C

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Journal of Materials Chemistry A