Pt nanoparticles decorated rose-like Bi2O2CO3 configurations for efficient photocatalytic removal of water organic pollutants

Huijuan Chen, Zhongfu Zhou, G. Neville Greaves, Salma Nigar, Huaqiang Cao, Tingkai Zhao, Xionggang Lu

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Abstract

Pt nanoparticles decorated with rose-like Bi2O2CO3 configurations were synthesized via a simple photoreduction method at room temperature. The structure, morphology, optical and electronic properties, and photocatalytic performance of the as-prepared materials were characterized. Compared to pure Bi2O2CO3, the Pt/Bi2O2CO3 photocatalysts show better performance in decomposing RhB, BPA and OTC under visible light (λ > 420 nm). The enhanced photocatalytic activity of Pt/Bi2O2CO3 could be attributed to the modification in light absorption (λ > 420 nm) charge migration and the separation of photo-generated electrons (e−) and holes (h+). Free radical trapping experiments demonstrated that the main active species of the catalytic reaction are different in decomposing RhB and BPA.
Original languageEnglish
Pages (from-to)914-920
Number of pages7
JournalRSC Advances
Volume8
Issue number2
DOIs
Publication statusPublished - 03 Jan 2018

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