光催化
矿化(土壤科学)
光降解
材料科学
布洛芬
辐照
激进的
降级(电信)
光化学
化学工程
催化作用
化学
有机化学
医学
电信
物理
计算机科学
核物理学
氮气
工程类
药理学
作者
Ermelinda Falletta,Melissa Greta Galloni,Nikoletta Mila,Muhammad N. bin Roslan,Noraini Abd Ghani,Giuseppina Cerrato,Alessia Giordana,M. Magni,Silvia Maria Spriano,Daria C. Boffito,Claudia L. Bianchi
出处
期刊:ACS Photonics
[American Chemical Society]
日期:2023-10-20
卷期号:10 (11): 3929-3943
被引量:2
标识
DOI:10.1021/acsphotonics.3c00724
摘要
In the present work, the piezoelectric-like behavior of BiOBr nanosheets was utilized to suppress the recombination of photoexcited charges. The piezo-photocatalytic properties of an easily synthesized photocatalyst were tested for the degradation of ibuprofen, a nonsteroidal anti-inflammatory drug. Under ultrasound and solar light irradiation, the reaction rate for ibuprofen mineralization was found to be higher in the BiOBr nanosheets compared with those from the individual photocatalysis and piezocatalysis approaches, respectively. A percentage of synergy higher than 60% was calculated, resulting in the achievement of complete mineralization in less than 30 min. Based on the results, a possible piezo-photocatalytic mechanism, based on the separation of photoinduced charges and the formation of highly active radicals, has been proposed. Furthermore, various scavengers were used to identify the active species by trapping holes and radicals generated during the piezo-photocatalytic degradation process. The main transformation products formed during both photo- and piezo-photodegradation processes were identified by ultraperformance liquid chromatography–mass spectrometry (UPLC/MS), and the ibuprofen degradation pathway was proposed. The very promising results offer an advantageous approach to drug mineralization without the need for costly materials or expensive processes.
科研通智能强力驱动
Strongly Powered by AbleSci AI