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Author:

Li, Lingjuan (Li, Lingjuan.) | Li, Chuanqiang (Li, Chuanqiang.) | Wang, Jiao (Wang, Jiao.) | Song, Liyun (Song, Liyun.) | Cheng, Xiaoqian (Cheng, Xiaoqian.) | Song, Boxuan (Song, Boxuan.) | Cheng, Yao (Cheng, Yao.) | Ding, Mingxiu (Ding, Mingxiu.) | Wang, Yuqing (Wang, Yuqing.) | Zheng, Xuxu (Zheng, Xuxu.)

Indexed by:

EI Scopus

Abstract:

This study developed manganese-based oxide (MnOx) catalysts using a mechanochemical oxidation method at room temperature, employing a metal-organic framework (Mn-BTC) as the precursor and KMnO4 as the oxidizing agent. Among the synthesized catalysts, MnOx-0.2 demonstrated the highest catalytic activity for propane oxidation, achieving a low T90 temperature of only 238 °C. Comprehensive characterization revealed that the MnOx-0.2 catalyst possessed a distinctive nanowire structure, abundant oxygen vacancies, a significantly increased surface-active oxygen-to-lattice oxygen ratio (Osur/Olatt = 1.904), and a higher Mn3+ content (51.76 %). These unique properties significantly enhanced lattice oxygen mobility and redox capability. Furthermore, in situ DRIFTS studies demonstrated that the cooperative interaction between surface-active oxygen species and lattice oxygen effectively facilitated the catalytic oxidation reaction. This research provides a simple, efficient, and environmentally friendly strategy for synthesizing high-performance MnOx catalysts with promising potential for practical industrial applications. © 2025

Keyword:

Crystal lattices Nanowires Redox reactions Nanocatalysts

Author Community:

  • [ 1 ] [Li, Lingjuan]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China
  • [ 2 ] [Li, Chuanqiang]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China
  • [ 3 ] [Wang, Jiao]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China
  • [ 4 ] [Song, Liyun]Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Cheng, Xiaoqian]Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Song, Boxuan]Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Cheng, Yao]Key Laboratory of Beijing on Regional Air Pollution Control, Beijing Key Laboratory for Green Catalysis and Separation, Beijing University of Technology, Beijing; 100124, China
  • [ 8 ] [Ding, Mingxiu]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China
  • [ 9 ] [Wang, Yuqing]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China
  • [ 10 ] [Zheng, Xuxu]School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing; 400074, China

Reprint Author's Address:

  • [li, chuanqiang]school of materials science and engineering, chongqing jiaotong university, chongqing; 400074, china

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Source :

Journal of Molecular Structure

ISSN: 0022-2860

Year: 2025

Volume: 1341

3 . 8 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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