4.7 Article

Sunlight-driven photocatalytic degradation of non-steroidal anti-inflammatory drug based on TiO2 quantum dots

期刊

JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 459, 期 -, 页码 257-263

出版社

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2015.08.010

关键词

TiO2 quantum dots; Solar-light driven photocatalysis; Non-steroidal anti-inflammatory drug activity (NSAID); Ketorolac tromethamine

资金

  1. UGC Major Research Project Scheme from UGC, Govt. of India [41-364/2012(SR)]
  2. TEQIP-II Grant of Dr S.S. Bhatnagar UICET, Panjab University, Chandigarh
  3. Ministry of Higher Education, Kingdom of Saudi Arabia under Promising Centre for Sensors and Electronic Devices (PCSED) at Najran University, Saudi Arabia

向作者/读者索取更多资源

This paper reports the facile synthesis, characterization and solar-light driven photocatalytic degradation of TiO2 quantum dots (QDs). The TiO2 QDs were synthesized by a facile ultrasonic-assisted hydrothermal process and characterized in terms of their structural, morphological, optical and photocatalytic properties. The detailed studies confirmed that the prepared QDs are well-crystalline, grown in high density and exhibiting good optical properties. Further, the prepared QDs were efficiently used as effective photocatalyst for the sun-light driven photocatalytic degradation of ketorolac tromethamine, a well-known nonsteroidal anti-inflammatory drug (NSAID). To optimize the photocatalytic degradation conditions, various dose-dependent, pH-dependent, and initial drug-concentration dependent experiments were performed. The detailed solar-light driven photocatalytic experiments revealed that similar to 99% photodegradation of ketorolac tromethamine drug solution (10 mg L-1) was observed with optimized amount of TiO2 QDs and pH (0.5 g L-1 and 4.4, respectively) under solar-light irradiations. The observed results demonstrate that simply synthesized TiO2 QDs can efficiently be used for the solar-light driven photocatalytic degradation of harmful drugs and chemicals. (C) 2015 Elsevier Inc. All rights reserved.

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