Photo-oxygenation of water media using photoactive plasmonic nanocomposites

被引：1

作者：

Saratovskii, A. S. ^{[1
]}

Senchik, K. Yu. ^{[2
]}

Karavaeva, A. V. ^{[3
]}

Evstropiev, S. K. ^{[4
,5
,6
]}

Nikonorov, N. V. ^{[4
]}

机构：

[1] Russian Acad Sci, Grebenshchikov Inst Silicate Chem, St Petersburg, Russia

[2] Minist Hlth Russia, Petrov Natl Med Res Ctr Oncol, St Petersburg, Russia

[3] St Petersburg State Chem Pharmaceut Univ, St Petersburg, Russia

[4] ITMO Univ, St Petersburg, Russia

[5] JVC RPA Vavilov State Opt Inst, St Petersburg, Russia

[6] Tech Univ, St Petersburg State Technol Inst, St Petersburg, Russia

来源：

JOURNAL OF CHEMICAL PHYSICS | 2022年 / 156卷 / 20期

基金：

俄罗斯科学基金会;

关键词：

OXIDE NANOCRYSTALLINE PARTICLES; PHOTOCATALYTIC DEGRADATION; DIAZO DYE; ZINC; NANOPARTICLES; PHOTOLYSIS; MECHANISM; CATALYSTS;

D O I：

10.1063/5.0094408

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Plasmonic nanocomposites ZnO-Ag and ZnO-SnO2-Ag(AgCl) were prepared by the polymer-salt method, and their structure and morphology were studied using XRD and SEM analyses. It was found that the addition of photoactive inorganic nanocomposites ZnO-Ag and ZnO-SnO2-Ag(AgCl) in pure water significantly enhances the effectiveness of its disinfection and purification during UV treatment and provides the effective water oxygenation. Oxygen photogeneration under blue light (lambda(ex.) = 405 nm) can be related to the plasmon-excitation processes in ZnO-SnO2-Ag(AgCl) composites. Prepared composites demonstrate antibacterial activity against both Gram-positive and Gram-negative bacteria. The increase of Ag content in ZnO-Ag and ZnO-SnO2-Ag(AgCl) composites significantly enhances their antibacterial activity. Published under an exclusive license by AIP Publishing.

引用

页数：6

共 50 条

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