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Sn2+掺杂高Gd2O3硼硅酸盐玻璃的辐照发光性能

Radioluminescence Properties of Sn2+-Doped Borosilicate Glass with High Gd2O3

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摘要

在还原气氛下制备了Sn2+掺杂SiO2-B2O3-Gd2O3-La2O3玻璃,并测试了该玻璃的密度、吸收光谱、光致发光、荧光寿命和X射线激发下的辐照发光。研究结果表明,在SiO2-B2O3-La2O3玻璃系统中,随着Sn2+浓度的增大,紫外吸收截止波长红移, 荧光强度先增大后因浓度淬灭而减小,在Sn2+浓度为0.3%时达到最大。随着Gd2O3逐渐取代La2O3,玻璃的密度增大,Sn2+的荧光寿命变短,但未发现Gd3+对Sn2+的敏化增强作用。在X射线激发下,Sn2+的辐照发光强度随着Gd2O3浓度的增大而增大,且不因Gd3+浓度淬灭而减小,说明在X射线激发下,Gd3+和Sn2+之间可能存在能量传递。

Abstract

The Sn2+-doped SiO2-B2O3-Gd2O3-La2O3 glass is prepared in the reducing atmosphere and its density, absorption spectra, photoluminescence, fluorescence lifetime and radioluminescence excited by X-ray have been tested. The research results show that, in the SiO2-B2O3-La2O3 glass system, with the increase of Sn2+ concentration, the ultraviolet absorption cut-off wavelength is redshifted, and the photoluminescence intensity first increases and then decreases due to the concentration quenching effect, which reaches the maximum at Sn2+ concentration of 0.3 %. With the replacement of La2O3 by Gd2O3, the glass density increases and the fluorescence lifetime of Sn2+ gets shorter, but Gd3+ does not show the sensitizing enhancement effect on Sn2+. Under the X-ray excitation, the radioluminescence intensity of Sn2+ increases with the increase of Gd2O3 concentration and does not decreases under the Gd3+ concentration quenching effect, which indicates that maybe there exists the energy transfer between Gd3+ and Sn2+ under the X-ray excitation.

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中图分类号:TQ171.1

DOI:10.3788/aos201838.0816002

所属栏目:材料

收稿日期:2018-02-07

修改稿日期:2018-04-01

网络出版日期:2018-04-09

作者单位    点击查看

蒋小波:上海大学材料科学与工程学院, 上海 200444中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
邹雅:上海大学材料科学与工程学院, 上海 200444中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
韩帅:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800中国科学院大学, 北京 100049
王聪娟:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
陈丹平:中国科学院上海光学精密机械研究所高功率激光单元技术实验室, 上海 201800
杨秋红:上海大学材料科学与工程学院, 上海 200444

联系人作者:陈丹平(D-chen@mail.siom.ac.cn); 蒋小波(pubjob_jiang@163.com);

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引用该论文

Jiang Xiaobo,Zou Ya,Han Shuai,Wang Congjuan,Chen Danping,Yang Qiuhong. Radioluminescence Properties of Sn2+-Doped Borosilicate Glass with High Gd2O3[J]. Acta Optica Sinica, 2018, 38(8): 0816002

蒋小波,邹雅,韩帅,王聪娟,陈丹平,杨秋红. Sn2+掺杂高Gd2O3硼硅酸盐玻璃的辐照发光性能[J]. 光学学报, 2018, 38(8): 0816002

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