Journal
CHINESE CHEMICAL LETTERS
Volume 34, Issue 4, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2022.05.0041001-8417
Keywords
Photocatalysis; MOF; CuO@CN; Selectivity oxidation; Highly conversion rate
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Developing efficient photocatalysts for selective oxidation of benzene to phenol is challenging. In this study, a CuO@CN photocatalyst was fabricated by loading tubular carbon nitride with CuO nanoparticles thermally polymerized from Cu-based MOFs. The fabricated nanocomposite demonstrated 99.9% benzene photoconversion and 99.1% phenol selectivity under AM 1.5 illumination for 12 h. The excellent stability and sluggish photocharge carrier recombination rate indicate that this nanocomposite is an ideal photocatalyst for benzene oxidation.
Developing highly efficient photocatalysts for selective oxidation of benzene to phenol is of great significance. However, it is still challenging to simultaneously achieve high conversion rate and selectivity. Herein, we demonstrate 99.9% of benzene photoconversion and 99.1% of phenol selectivity under the illumination of AM 1.5 for 12 h. For this purpose, an advanced CuO@CN photocatalyst has been fabricated by loading tubular carbon nitride (CN) with CuO nanoparticles thermally polymerized from Cu-based metal-organic frameworks (MOFs). The sluggish photocharge carrier recombination rate and the excellent stability indicate that the as-prepared nanocomposite is an ideal photocatalyst for benzene oxidation application. This work paves a new avenue for designing novel photocatalyst based on MOFs and carbon nitride materials. (c) 2023 Published by Elsevier B.V. on behalf of Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences.
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