Influenceof Sm2O3 and CaF2 Concentrationonthe Enhancement of Luminescence and Red Colour in Borosilicate Glass

IF 1.5 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Transactions of the Indian Ceramic Society Pub Date : 2021-07-03 DOI:10.1080/0371750X.2021.1978866

Yingjie Qiao

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引用次数: 1

Abstract

A series of Samarium (Sm) doped borosilicate glass was designed and prepared by melt-quenching method to realize the controllable and adjustable red emission for further applications of rare-earth doped glass. The influence of Sm 2O3 and CaF2 concentration on the structure, composition and luminescence property of samples were investigated and revealed. It was shown that the samples had glassy non-crystalline nature and high transparency within the visible light region. The characteristic transitions of Sm3+ ion assigned to 4G5/2 → 6H J /2 (J = 5, 7, 9, 11) were detected, which realized the red-orange emission in the host. Concentration quenching occurred when Sm2O3 and CaF 2 contents were 1.0 and 8 mol%, respectively. Dipole-dipole interactions were the effective mechanisms of energy transfer and quenching between Sm 3+ ions. M eanwhile, with fixed Sm 2O3 concentration, both the PL intensity and the fluorescence lifetime increased as the CaF2 content enhanced. In a word, the orange/red ( O/R) ratio, Commission Internationale de ĺEclairage (CIE) chromatic coordinates and luminescence colour of the samples are dependent and adjustable by the concentration of Sm2O3 and CaF2, which helps to fabricate tunable efficiency light-emitting materials and extend their applications by regulating the composition of glass. GRAPHICAL ABSTRACT

查看原文本刊更多论文

Sm2O3和CaF2浓度对硼硅酸盐玻璃发光增强和显红光的影响

采用熔淬法设计并制备了一系列掺钐硼硅酸盐玻璃，实现了可调可控的红发射，为稀土掺杂玻璃的进一步应用奠定了基础。研究并揭示了sm2o3和CaF2浓度对样品结构、组成和发光性能的影响。结果表明，样品具有玻璃状的非晶态，在可见光区具有较高的透明度。检测到Sm3+离子分配到4G5/2→6H J /2 (J = 5,7,9,11)的特征跃迁，实现了宿主体内的红橙色发射。Sm2O3和caf2含量分别为1.0 mol%和8 mol%时发生浓度猝灭。偶极-偶极相互作用是sm3 +离子间能量传递和猝灭的有效机制。同时，当sm2o3浓度固定时，随着CaF2含量的增加，荧光强度和荧光寿命均增加。综上所述，样品的橙/红(O/R)比、CIE (CIE)色坐标和发光颜色依赖于Sm2O3和CaF2的浓度并可调节，这有助于制造可调效率的发光材料，并通过调节玻璃的组成扩展其应用范围。图形抽象

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来源期刊

Transactions of the Indian Ceramic Society 工程技术-材料科学：硅酸盐

CiteScore

2.40

自引率

8.30%

发文量

审稿时长

2.3 months

期刊介绍： Transactions of the Indian Ceramic Society is a quarterly Journal devoted to current scientific research, technology and industry-related news on glass and ceramics. The Journal covers subjects such as the chemical, mechanical, optical, electronic and spectroscopic properties of glass and ceramics, and characterization of materials belonging to this family. The Editor invites original research papers, topical reviews, opinions and achievements, as well as industry profiles for publication. The contributions should be accompanied by abstracts, keywords and other details, as outlined in the Instructions for Authors section. News, views and other comments on activities of specific industries and organizations, and also analyses of industrial scenarios are also welcome.

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