期刊
RSC ADVANCES
卷 4, 期 25, 页码 13061-13070出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra47304j
关键词
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资金
- National Science Foundation of China [21377039, 21271108]
- Science Foundation of Tianjin [11JCZDJC24800]
3D mesoporous BiOBr microspheres via a one-step solvothermal process without templates were synthesized. The as-synthesized material was characterized by XRD, XPS, FESEM, TEM, UV-Vis and nitrogen adsorption techniques. The photodegradation behavior of the non-steroid anti-inflammatory drug (NSAID) ibuprofen (IBP) in aqueous BiOBr suspension was investigated under simulated solar light irradiation. The photocatalytic activity of the as-prepared 3D mesoporous BiOBr microspheres was excellent. IBP photodegradation intermediates were detected by GC/MS analyses, and a detailed reaction pathway was proposed. Luminous bacteria (Vibrio qinghaiensis) toxicity evaluation showed the decrease of the toxicity of the photodegradation intermediates. Based on the results, 3D BiOBr could be a promising catalyst on irradiation by visible light, and even under sunlight.
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