Two-Dimensional Janus p-n Heterojunction of Co3O4 and CoMoO4 for Boosting Photocatalytic Oxidative Desulfurization
Dongxiao Wang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
School of Materials Science and Engineering, Peking University, Beijing, 100871 China
Search for more papers by this authorZheng Lan
College of Design and Engineering, National University of Singapore, Singapore, 119077 Singapore
Search for more papers by this authorYue Li
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorYing Huang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorKun Yin
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorLixia Yang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorLiangjiu Bai
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorDonglei Wei
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorHuawei Yang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorHou Chen
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorCorresponding Author
Mingchuan Luo
School of Materials Science and Engineering, Peking University, Beijing, 100871 China
E-mail: [email protected]Search for more papers by this authorDongxiao Wang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
School of Materials Science and Engineering, Peking University, Beijing, 100871 China
Search for more papers by this authorZheng Lan
College of Design and Engineering, National University of Singapore, Singapore, 119077 Singapore
Search for more papers by this authorYue Li
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorYing Huang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorKun Yin
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorLixia Yang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorLiangjiu Bai
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorDonglei Wei
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorHuawei Yang
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorHou Chen
School of Chemistry and Materials Science, Ludong University, Yantai, Shandong, 264025 China
Search for more papers by this authorCorresponding Author
Mingchuan Luo
School of Materials Science and Engineering, Peking University, Beijing, 100871 China
E-mail: [email protected]Search for more papers by this authorComprehensive Summary
Photocatalytic aerobic oxidative desulfurization (PAODS) is a sustainable alternative technology to traditional, energy-intensive fuel desulfurization methods. Nonetheless, its advancement is hindered by the notable challenge of inadequate electron-hole separation efficiency within the existing catalytic systems. Herein, a Janus 2D/2D heterostructure composed of Co3O4 and CoMoO4 is reported for the PAODS of thiophenic sulfides. Through a combination of detailed experimental characterizations and density functional theory (DFT) calculations, we elucidate the formation of a type II p-n heterojunction in the catalyst, significantly enhancing electron-hole separation through electric field force and reducing the possibility of electron-hole recombination due to the spatial separation of redox centres. The photocatalyst exhibits exceptional activity and demonstrates an impressive performance of 10.4 mmol·g–1·h–1 in the oxidation of dibenzothiophene (DBT). Moreover, the photocatalyst demonstrates profound desulfurization capabilities in real diesel, reinforcing its promising prospects for industrial application. These discoveries provide invaluable insights, both scientifically and practically, towards the development of advanced photocatalysts for PAODS processes.
Supporting Information
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