Spray pyrolysis-assisted fabrication of Eu-doped ZnO thin films for antibacterial activities under visible light irradiation

被引：17

作者：

Ech-Chergui, Abdelkader Nebatti ^{[1
]}

Kadari, Ali Sadek ^{[2
]}

Khan, Mohammad Mansoob ^{[3
]}

Popad, Adriana ^{[4
]}

Khane, Yasmina ^{[5
]}

Guezzoul, M'hamed ^{[6
]}

Leostean, Cristian ^{[4
]}

Silipas, Dan ^{[4
]}

Barbu-Tudoran, Lucian ^{[4
]}

Abdelhalim, Zoukel ^{[7
]}

Bennabi, Farid ^{[1
]}

Driss-Khodja, Kouider ^{[2
]}

Amrani, Bouhalouane ^{[2
]}

机构：

[1] Univ AinTemouchent Belhadj Bouchaib, Fac Sci & Technol, Lab Mat Sci & Applicat LSMA, Aintemouchent, Algeria

[2] Univ Oran1 Ahmed Ben Bella, Fac Exact & Appl Sci, Lab Theory & Simulat Mat, Oran, Algeria

[3] Univ Brunei Darussalam, Fac Sci, Chem Sci, Jalan Tungku Link, BE-1410 Gadong, Brunei

[4] Natl Inst Res & Dev Isotop & Mol Technol, Donat St 67-103, Cluj Napoca 400293, Romania

[5] Ghardaia Univ, Sci & Technol Dept, Ghardaia, Algeria

[6] Natl Polytech Sch ENP Oran, Lab Mat LABMAT, BP 1523 Oran Mnaouar, Oran, Algeria

[7] PTAPC Laghouat CRAPC, Platform PhysicoChem Anal, Laghouat, Algeria

来源：

CHEMICAL PAPERS | 2023年 / 77卷 / 02期

关键词：

Zinc oxide; ZnO; Doped ZnO; Eu-doped ZnO; Antibacterial activities; OPTICAL-PROPERTIES; NANORODS; NANOPARTICLES;

D O I：

10.1007/s11696-022-02543-z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study reports the fabrication and characterization of zinc oxide (ZnO) and europium-doped ZnO (Eu-doped ZnO) films and their antibacterial activities. The spray pyrolysis method was used to synthesize ZnO and 1, 2, 3, and 4% Eu-doped ZnO thin films on the glass substrate. The fabricated Eu-ZnO thin films were characterized using x-ray diffraction, Fourier transforms infrared spectroscopy, UV-vis spectroscopy, field emission scanning electron microscopy, and x-ray photoelectron spectroscopy. These characterization techniques confirm the successful fabrications of the ZnO and Eu-doped ZnO thin films. It was found that the increase in Eu concentration affects the lattice parameters and the crystallite size without changing the ZnO wurtzite structure. Fabricated ZnO and Eu-doped ZnO films were tested for antibacterial activities against Escherichia coli (E. coli, ATCC 25,922) under visible light irradiation. This is the first antibacterial study of the Eu-ZnO films obtained by the spray pyrolysis method. Improved antibacterial activities were found against E. coli by Eu-doped ZnO films under visible light irradiation.

引用

页码：1047 / 1058

页数：12

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