Facile fabrication and enhanced photosensitized degradation performance of the g-C3N4–Bi2O2CO3 composite

Miao Xiong; Lang Chen; Qing Yuan; Jie He; Sheng-Lian Luo; Chak-Tong Au; Shuang-Feng Yin

doi:10.1039/C4DT00486H

Facile fabrication and enhanced photosensitized degradation performance of the g-C₃N₄–Bi₂O₂CO₃ composite

Miao Xiong,^a Lang Chen,^a Qing Yuan,^a Jie He,^a Sheng-Lian Luo,^a Chak-Tong Au^a^b and Shuang-Feng Yin*^a

* Corresponding authors

^a State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China

^b Department of Chemistry, Hong Kong Baptist University, Room T1214, Cha Chi-Ming Science Tower, Kowloon Tong, Hong Kong

Abstract

Flower-like Bi₂O₂CO₃ and g-C₃N₄–Bi₂O₂CO₃ microspheres with a high adsorption ability were synthesized using a facile method, and their dye-induced photosensitized degradation activity under visible light irradiation was evaluated. The as-synthesized samples were characterized by XRD, FT-IR, FESEM, TEM (HRTEM), UV-vis DRS and nitrogen adsorption–desorption techniques. It was found that the activity of Bi₂O₂CO₃ was significantly enhanced due to the generation of g-C₃N₄–Bi₂O₂CO₃ heterostructures. The dye-sensitization and the presence of g-C₃N₄ are beneficial for the visible-light excited process. The enhancement of photocatalytic performance is ascribed to the proper matching of the energy levels of the dye, Bi₂O₂CO₃ and g-C₃N₄ that facilitates the separation and transfer of photogenerated electrons and holes at the heterojunctions. The results of the present study give insights that are beneficial for the design of heterostructured materials.

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Publication details

The article was received on 15 Feb 2014, accepted on 21 Mar 2014 and first published on 21 Mar 2014

Article type: Paper

DOI: 10.1039/C4DT00486H

Author version available: Download Author version (PDF)

Citation: Dalton Trans., 2014,43, 8331-8337

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Facile fabrication and enhanced photosensitized degradation performance of the g-C₃N₄–Bi₂O₂CO₃ composite

M. Xiong, L. Chen, Q. Yuan, J. He, S. Luo, C. Au and S. Yin, Dalton Trans., 2014, 43, 8331
DOI: 10.1039/C4DT00486H
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Dalton Transactions

Facile fabrication and enhanced photosensitized degradation performance of the g-C₃N₄–Bi₂O₂CO₃ composite

Abstract

Supplementary files

Publication details

Facile fabrication and enhanced photosensitized degradation performance of the g-C₃N₄–Bi₂O₂CO₃ composite

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