Journal
MATERIALS LETTERS
Volume 328, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2022.133175
Keywords
Solar energy materials; Semiconductors; Bismuth vanadate; Oxygen atom transfer; Methyl phenyl sulfide
Funding
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [20KJB430025]
- National Natural Science Foundation of China [51904128]
- Natural Science Foundation of Anhui Provincial [1708085MB42]
- Integration of Science and Education [2021KJRH35]
- Foundations Support from Jinling Institute of Technology [JIT-B-201833, JIT-FHXM-201920, JIT-B-201903]
- Innovation and Entrepreneurship Training Program for College Students [202213573037Z]
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This study reports an environmentally friendly strategy of photoelectrochemical selective oxidation to obtain value-added chemicals. Mo-BiVO4 photoelectrode was used to achieve high selectivity oxidation of MPS into MPSO. Isotopic labelling experiment confirmed that the oxygen in MPSO mainly originated from water.
Photoelectrochemical (PEC) selective oxidation is an environment-friendly strategy to obtain value-added chemicals. Herein, we report the PEC oxidation of methyl phenyl sulfide (MPS) into methyl phenyl sulfoxide (MPSO) with 85.7 % selectivity and 36.2 % conversion on molybdenum doped bismuth vanadate (Mo-BiVO4) photoelectrode under simulated sunlight illumination (AM 1.5 G, 100 mW cm-2). Isotopic labelling experiment with H218O was conducted to clearly reveal that the oxygen atoms in the MPSO were mainly from water. Based on these results, the application of Mo-BiVO4 has been extended to PEC selective oxidation.
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