ABSTRACT The melt quench technique was used to prepare phosphate-based glasses composed of ZnO–Li2O–Na2O–P2O5 which were activated with luminescent Dy3+ ions and doped with various concentrations of Ag. X-ray diffraction was used to confirm the formation of amorphous glass material. The glasses were characterised by density measurements, absorption spectroscopy and by photoluminescence excitation and emission scans. Four emission bands at 482 nm (blue), 573 nm (yellow), 663 nm (red) and 752 nm (red) were recorded, corresponding to transitions of Dy3+ ions. Antibacterial tests were made against Escherichia coli, Staphylococcus aureus and Listeria monocytogenes, while antifungal tests were performed with the yeasts Candida albicans and Cryptococcus neoformans. Doping with a low concentration of Ag enhanced the luminescent and antimicrobial properties, although higher doping levels led to the formation of metallic Ag nanoparticles and a decrease in these useful properties.

中文翻译：

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Ag掺杂Dy:(ZnO-Li2O-Na2O-P2O5)玻璃的发光和生物学特性

摘要 熔体淬火技术用于制备由 ZnO-Li2O-Na2O-P2O5 组成的磷酸盐基玻璃，该玻璃由发光的 Dy3+ 离子激活并掺杂不同浓度的 Ag。X 射线衍射用于确认无定形玻璃材料的形成。通过密度测量、吸收光谱和光致发光激发和发射扫描来表征玻璃。记录了 482 nm（蓝色）、573 nm（黄色）、663 nm（红色）和 752 nm（红色）的四个发射带，对应于 Dy3+ 离子的跃迁。对大肠杆菌、金黄色葡萄球菌和单核细胞增生李斯特菌进行了抗菌试验，而对白色念珠菌和新型隐球菌进行了抗真菌试验。