清华大学彭悦等报道发展了一种简便的选择性溶解方法提高SmMn2O5莫来石(SMO, mullite)材料的界面暴露位点用于NO氧化,实现了优异的NO热催化稳定性。通过选择性的将一部分界面Sm阳离子消除,在界面上形成暴露的B位阳离子,构建了电负性更强,和含有氧空穴的样品(称为SMO-H)。
参考文献
Qilei Yang, Xiao Wang, Xiyang Wang, Qi Li, Lei Li, Weinan Yang, Xuefeng Chu, Hao Liu, Jishuai Men, Yue Peng*, Yongliang Ma, and Junhua Li, Surface Reconstruction of a Mullite-Type Catalyst via Selective Dissolution for NO Oxidation, ACS Catal. 2021, 11, 14507–14520
DOI: 10.1021/acscatal.1c03955
https://pubs.acs.org/doi/10.1021/acscatal.1c03955