Well-designed β-Ag2MoO4 crystals with photocatalytic and antibacterial activity

被引：66
|
作者：
Oliveira, Cibele A. [1 ]
Volanti, Diogo P. [2 ]
Nogueira, Andre E. [3 ]
Zamperini, Camila A. [4 ]
Vergani, Carlos E. [1 ]
Longo, Elson [1 ]
机构：
[1] Univ Estadual Paulista, UNESP, Ctr Dev Funct Mat, Ave Prof Francisco Degni 55, BR-14800900 Araraquara, Brazil
[2] Univ Estadual Paulista, UNESP, IBILCE, Lab Mat Sustainabil, Rua Cristovao Colombo 2265, BR-15054000 Sao Jose Do Rio Preto, Brazil
[3] Embrapa Instrumentat, Rua 15 Novembro 1452, BR-13560970 Sao Carlos, SP, Brazil
[4] Univ Illinois, South Paulina St 801, Chicago, IL 60612 USA
来源：
MATERIALS & DESIGN | 2017年 / 115卷
基金：
巴西圣保罗研究基金会;
关键词：
Silver molybdate; Photodegradation; Antibacterial; Multifunctional; Crystal growth; ASSISTED HYDROTHERMAL SYNTHESIS; ELECTRONIC-STRUCTURE; MOLYBDATE NANOPARTICLES; OPTICAL-PROPERTIES; GROWTH-MECHANISM; SILVER; PHASE; TIO2; NANOWIRES; NANORODS;
D O I：
10.1016/j.matdes.2016.11.032
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper describes the beta silver molybdate (beta-Ag2MoO4) samples with spinel-type cubic structures synthesized with various morphologies, including round tips coral-like, elongated coral-like and truncated cube, by themicrowave-assisted solvo-/hydrothermal method. The crystalmorphologies could be controlled by adjusting the solvent, surfactant, and pH of the precursor solution. X-ray diffraction, field-emission scanning electron microscopy, Fourier-transform Raman spectroscopy, and diffuse reflectance spectroscopy in the ultraviolet-visible (UV-Vis) region, were used to characterize the structures of the samples. The specific surface area was determined using the Brunauer-Emmett-Teller method. Furthermore, the photocatalytic/antibacterial properties of the particles were dependent on the beta-Ag2MoO4 crystal morphogy and were evaluated by Rhodamine B dye photodegradation under UV-Vis light, and by determining their minimuminhibitory and bactericidal concentrations, using a broth microdilution assay for Escherichia coli bacteria. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：73 / 81
页数：9
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