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铋/铕/镱共掺杂（=0、2、3；且=2、3）硅酸锌钙玻璃的光学带隙和光谱特性

Optical band gaps and spectroscopy properties of Bi /Eu /Yb co-doped ( = 0, 2, 3; and = 2, 3) zinc calcium silicate glasses.

作者信息

Dan Ho Kim, Trung Nguyen Dinh, Tam Nguyen Minh, Ha L T, Ha C V, Zhou Dacheng, Qiu Jianbei

机构信息

Optical Materials Research Group, Science and Technology Advanced Institute, Van Lang University Ho Chi Minh City Vietnam.

Faculty of Applied Technology, School of Technology, Van Lang University Ho Chi Minh City Vietnam

出版信息

RSC Adv. 2023 Mar 1;13(10):6861-6871. doi: 10.1039/d2ra07310b. eCollection 2023 Feb 21.

DOI:10.1039/d2ra07310b
PMID:36874941
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9977400/
Abstract

In this study, the indirect/direct optical band gaps and spectroscopy properties of Bi /Eu /Yb co-doped ( = 0, 2, 3; and = 2, 3) zinc calcium silicate glasses under different excitation wavelengths were investigated. Zinc calcium silicate glasses with the main compositions of SiO-ZnO-CaF-LaF-TiO were prepared by the conventional melting method. EDS analysis was performed to determine the elemental composition existing in the zinc calcium silicate glasses. Visible (VIS)-, upconversion (UC)-, and near-infrared (NIR)-emission spectra of Bi /Eu /Yb co-doped glasses were also investigated. Indirect optical band gaps and direct optical band gaps of Bi -, Eu - single-doped, and Bi -Eu co-doped SiO-ZnO-CaF-LaF-TiO-BiO-EuF-YbF zinc calcium silicate glasses were calculated and analyzed. CIE 1931(, ) color coordinates for VIS and UC emission spectra of Bi /Eu /Yb co-doped glasses were determined. Besides, the mechanism of VIS-, UC-, NIR-emissions, and energy transfer (ET) processes between Bi and Eu ions were also proposed and discussed.

摘要

在本研究中，研究了Bi/Eu/Yb共掺杂（=0、2、3；且=2、3）的硅酸锌钙玻璃在不同激发波长下的间接/直接光学带隙和光谱特性。采用传统熔融法制备了主要成分为SiO-ZnO-CaF-LaF-TiO的硅酸锌钙玻璃。进行能谱分析以确定硅酸锌钙玻璃中存在的元素组成。还研究了Bi/Eu/Yb共掺杂玻璃的可见（VIS）、上转换（UC）和近红外（NIR）发射光谱。计算并分析了Bi-、Eu-单掺杂以及Bi-Eu共掺杂的SiO-ZnO-CaF-LaF-TiO-BiO-EuF-YbF硅酸锌钙玻璃的间接光学带隙和直接光学带隙。确定了Bi/Eu/Yb共掺杂玻璃的VIS和UC发射光谱的CIE 1931（，）色坐标。此外，还提出并讨论了Bi和Eu离子之间的VIS、UC、NIR发射以及能量转移（ET）过程的机制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/432affd6b455/d2ra07310b-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/2348978fe404/d2ra07310b-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/61b7a0dee477/d2ra07310b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/e0954e7971cd/d2ra07310b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/a2a418b3729c/d2ra07310b-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/8b592ea6b396/d2ra07310b-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/c5e6722e06a5/d2ra07310b-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/b28b54b4edc2/d2ra07310b-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/432affd6b455/d2ra07310b-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/2348978fe404/d2ra07310b-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/427df688eefc/d2ra07310b-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/ad3c7b2fd718/d2ra07310b-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/61b7a0dee477/d2ra07310b-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/e0954e7971cd/d2ra07310b-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/a2a418b3729c/d2ra07310b-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/8b592ea6b396/d2ra07310b-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/c5e6722e06a5/d2ra07310b-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/b28b54b4edc2/d2ra07310b-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1d58/9977400/432affd6b455/d2ra07310b-f10.jpg

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