Abstract
Methanol is a simple prototype for many organic compounds, and its dissociation plays an essential role in C1 chemistry reactions. Anatase TiO2(101) surface with Co doping and oxygen vacancy (VO) for the adsorption and reactivity of methanol has been studied based on density functional theory. Compared the perfect anatase TiO2(101) surface, the doping of Co5c atom is conducive to the adsorption of dissociative methanol and reduces the dissociation energy barrier to 0.13 and 0.25 eV, respectively. Moreover, the adsorption and reactivity of methanol are also affected by the oxygen vacancy, which the presence of oxygen vacancy decreases the dissociation energy barrier of methanol for the Co6c doped anatase TiO2(101) systems. The dissociation barrier is dependent on the orientation of methanol molecules. Our research is conducive to broadening the comprehension of the activity of organic molecules on anatase TiO2 nanoparticles.
Graphical Abstract
The adsorption and reactivity of methanol on the anatase TiO2(101) surface is the affected by Co doping、oxygen vacancy and the orientation of molecules.
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Acknowledgments
We gratefully acknowledge the financial support provided by the National Natural Science Foundation of China (No. 21873042) and Program for LiaoNing Excellent Talents in University, China (No. LJQ2015042). We wish to thank the Specialized Fund for Doctoral Research Start-up of Liaoning University (No. a210001023) and the Doctoral Research of Jilin Engineering Normal University (No. BSKJ201912). We acknowledge the Computing Center of Jilin Province, Beijing PARATERA Tech CO., Ltd and National Supercomputing Center in Zhengzhou for supercomputer time.
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Li, H., Sun, W., Bi, Z. et al. First-Principles Study of Methanol Adsorption and Dissociation Reactivity on the Anatase TiO2(101) Surface: The Effect of Co doping and Oxygen Vacancy. Catal Lett 153, 104–113 (2023). https://doi.org/10.1007/s10562-022-03957-w
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DOI: https://doi.org/10.1007/s10562-022-03957-w