Rapid Visible Light-Driven Water Disinfection with CTAB-Modified UiO-66-NH 2

Water is the most essential resource for life, hence ensuring its universal availability in a rapid and reliable manner is highly desirable. Visible light-based catalytic disinfection is gaining prominence due to its accessibility and exceptional energy efficiency. In this study, we demonstrated tha...

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Vydané v:Environmental science & technology Ročník 59; číslo 38; s. 20143
Hlavní autori: Li, Haibei, Chen, Mengqiu, Zhao, Yue, Zhang, Tangping, Li, Xinmei, Chen, Tianjiao, Zhou, Shuqing, Shi, Danyang, Yang, Zhongwei, Yang, Dong, Li, Junwen, Jin, Min
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: United States 30.09.2025
Predmet:
Cetrimonium
Cetrimonium Compounds - chemistry
Disinfection - methods
Light
Water Purification - methods
water disinfection
visible light
photocatalysis
CTAB@UiO-66-NH2
ISSN:1520-5851
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Shrnutí:Water is the most essential resource for life, hence ensuring its universal availability in a rapid and reliable manner is highly desirable. Visible light-based catalytic disinfection is gaining prominence due to its accessibility and exceptional energy efficiency. In this study, we demonstrated that cetyltrimethylammonium bromide (CTAB)-modified UiO-66-NH (CTAB@UiO-66-NH ) effectively harnesses visible light to achieve highly efficient water disinfection. Introducing CTAB into these nanosystems reduced the charge-transfer resistance and facilitated charge separation, enabling efficient generation of reactive oxygen species and ultimately enhancing photocatalytic activity. CTAB@UiO-66-NH demonstrated outstanding water disinfection, achieving approximately 6-7 log inactivation of a broad spectrum of bacteria within 20 min under simulated visible light. It also exhibited stable cyclic disinfection performance and good biocompatibility, highlighting broad application prospects. Furthermore, CTAB@UiO-66-NH showed promising disinfection performance in real river water, achieving a 2.5 log colony-forming unit reduction of bacteria in Haihe River samples within 20 min of visible light irradiation. Therefore, our study offers a simple and affordable path to rapid access to safe water.
ISSN:1520-5851
DOI:10.1021/acs.est.5c02662