4.6 Article

Table tennis bat poplar baseplate-derived bismuth molybdate with efficient visible-light photocatalytic activity

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ELSEVIER
DOI: 10.1016/j.colcom.2021.100478

Keywords

Table tennis bat poplar baseplate; Wood powder morphology; Bismuth molybdate; TC decomposition

Funding

  1. Postdoctoral Mobile Research Station of Harbin Sport University
  2. Subject Echelon Construction Project of Harbin Sport University [XKB10]
  3. National Natural Science Foundation of China [31971587]
  4. Natural Science Foundation of Heilongjiang Province [LH2020H010]

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This study synthesized a new bismuth molybdate photocatalyst, P-Bi2MoO6, using wood waste from sports equipment, which exhibited higher photodegradation efficiency compared to conventional bismuth molybdate. The improved efficiency can be attributed to the decrease in crystallite size, enrichment in surface-active oxygen species, enhanced light absorption, efficient carrier separation, and strengthened charge transfer.
Wood waste from sports equipment is regarded as potentially valuable resource, providing attractive material platform to develop efficient photocatalysts. In this study, new bismuth molybdate photocatalyst, P-Bi2MoO6 with wood powder morphology, was prepared using waste table tennis bat poplar baseplates via a facile one-step synthesis using wood bionic processing technique combined with solvothermal method. Photocatalytic activity of samples was evaluated by the decomposition of tetracycline hydrochloride (TC) under visible-light irradiation. Results show that compared with conventional bismuth molybdate, synthesized P-Bi2MoO6 exhibited higher photodegradation efficiency. This can be mainly attributed to the decrease in crystallite size, enrichment in surface-active oxygen species, improved light absorption, efficient carrier separation, and strengthened charge transfer. Electron spin resonance and quenching experiments confirm that OH center dot and center dot O-2(-) radicals are the major reactive species during the photocatalytic reaction. This study provides a new synthetic strategy for photocatalysts with different shapes for the purification of water environment.

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