含CsPbBr3钙钛矿量子点的硅酸盐基氟氧化物玻璃陶瓷的制备及其发光性能
Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr3 Perovskite Quantum Dots
- 发光学报 2020年41卷第8期 页码：945-953
- 作者机构：
1.上海大学 材料科学与工程学院, 上海 200444
2.上海大学 新型显示技术与应用集成教育部重点实验室, 上海 200072
- 作者简介：
[ "陈璐(1995-), 女, 江苏盐城人, 硕士研究生, 2017年于盐城师范学院获得学士学位, 主要从事发光玻璃陶瓷的制备与器件的研究。E-mail:cljbr@qq.com" ]
[ "雷芳(1979-), 女, 宁夏银川人, 博士, 副研究员, 硕士研究生导师, 2009年于同济大学获得博士学位, 主要从事稀土纳米光电材料与器件的研究。E-mail:leif@shu.edu.cn" ]
[ "施鹰(1969-), 男, 上海人, 博士, 研究员, 博士研究生导师, 1995年于中国科学院上海硅酸盐研究所获得博士学位, 主要从事结构功能一体化陶瓷和透明陶瓷等方面的研究。E-mail:yshi@shu.edu.cn" ]
- 基金信息：国家自然科学基金(51605272);国家自然科学基金(21301115);上海大学新型显示重点实验室开放课题(P201902)
DOI：10.37188/fgxb20204108.0945
中图分类号：
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陈璐, 雷芳, 施鹰, 等. 含CsPbBr3钙钛矿量子点的硅酸盐基氟氧化物玻璃陶瓷的制备及其发光性能[J]. 发光学报, 2020,41(8):945-953.
Lu CHEN, Fang LEI, Ying SHI, et al. Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr3 Perovskite Quantum Dots[J]. Chinese Journal of Luminescence, 2020,41(8):945-953.
陈璐, 雷芳, 施鹰, 等. 含CsPbBr3钙钛矿量子点的硅酸盐基氟氧化物玻璃陶瓷的制备及其发光性能[J]. 发光学报, 2020,41(8):945-953. DOI： 10.37188/fgxb20204108.0945.
Lu CHEN, Fang LEI, Ying SHI, et al. Preparation and Luminescence Properties of Silicate-based Oxyfluoride Glass Ceramic Containing CsPbBr3 Perovskite Quantum Dots[J]. Chinese Journal of Luminescence, 2020,41(8):945-953. DOI： 10.37188/fgxb20204108.0945.
摘要
采用热处理烧结方法制备了含CsPbBr,3,钙钛矿量子点的硅酸盐基氟氧化物玻璃陶瓷（SiO,2,-Al,2,O,3,-Li,2,O-AlF,3,-LiF）。通过X射线衍射分析了玻璃的自析晶现象与量子点生长之间的关系；TEM透射电镜分析了量子点的形貌特征；荧光光谱、吸收光谱和CIE色坐标等表征分析了量子点的发光特性。结果表明，最佳条件制备得到的含CsPbBr,3,量子点的玻璃陶瓷材料可实现512 nm强绿光发射，半峰宽22.80 nm。将该玻璃陶瓷与365 nm紫外芯片封装构建绿光发光二极管（LED），有望替代绿色荧光粉成为新型固体发光领域的关键材料。
Abstract
With an elaborate design, the silicate-based oxyfluoride glass ceramic with the composition of SiO,2,-Al,2,O,3,-Li,2,O-AlF,3,-LiF containing CsPbBr,3, perovskite quantum dots was obtained by the re-heat treatment method. Impressively, controllable crystallization of the glass matrix and CsPbBr,3, nanocrystal taking place in the glass ceramic were investigated by XRD. The microstructure characterizations of the CsPbBr,3, nanocrystal were tested by TEM. The PL spectra, absorption spectra and CIE color coordinates were used to analyze the luminescence properties of CsPbBr,3, quantum dots. As a result, the PL of the CsPbBr,3, glass ceramic under optimum conditions shows robust green emission at 512 nm with narrow full width at half maximum(FWHM of 22.80 nm). The light emitting diode (LED) which was encapsulated by coupling the green-emitting CsPbBr ,3, glass ceramic with a 365 nm ultraviolet chip is expected to replace the traditional green phosphor as the key material in the field of new solid luminescent materials.
关键词
CsPbBr3钙钛矿量子点玻璃陶瓷热处理烧结绿色LED
Keywords
CsPbBr3 perovskite quantum dotsglass ceramicre-heat treatmentgreen LED
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