From the journal:

Chemical Communications

Surface acidity as the decisive descriptor for hydroxyl-mediated hydrogen spillover in hydrogen isotope exchange

Hongbing Wang, ORCID logo *a   Qiongdan Zhang,a   Xiaolin Zhou,c   Linsen Zhou, ORCID logo b   Wei Cui, ORCID logo d   Xiaoke Li,*a   Peilong Li*b  and  Yifei Yang*b  

* Corresponding authors

a College of Materials and Chemistry& Chemical Engineering, Chengdu University of Technology, Chengdu, China
E-mail: hbingwang@163.com

b Institute of Materials, China Academy of Engineering Physics, Jiangyou, China

c School of Physical Science and Technology, Southwest University, Chongqing 400715, China

d School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

Support surface acidity is established as the decisive descriptor governing hydrogen spillover on non-reducible oxides. We reveal a unique reactant-induced activation pathway on γ-Al2O3, where optimal surface acidity empowers surface hydroxyls to actively mediate the isotope exchange, fundamentally challenging the paradigm of a passive support.

Graphical abstract: Surface acidity as the decisive descriptor for hydroxyl-mediated hydrogen spillover in hydrogen isotope exchange

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Article information

DOI
https://doi.org/10.1039/D5CC04894J
Article type
Communication
Submitted
25 Aug 2025
Accepted
14 Oct 2025
First published
15 Oct 2025

Chem. Commun., 2025, Advance Article

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Surface acidity as the decisive descriptor for hydroxyl-mediated hydrogen spillover in hydrogen isotope exchange

H. Wang, Q. Zhang, X. Zhou, L. Zhou, W. Cui, X. Li, P. Li and Y. Yang, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC04894J

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