硅酸盐学报

玻璃微区钙钛矿纳米晶发光调控与应用

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阮超 ¹^,² , 孙轲 ² , 李昕阔 ¹^,² , 邱建荣 ³ , 谭德志 ²

硅酸盐学报 | 钙钛矿掺杂玻璃的基础和应用专题—综合评述 2024,52(8): 2643-2658

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硅酸盐学报 |钙钛矿掺杂玻璃的基础和应用专题—综合评述 2024 , 52 (8) : 2643 -2658

玻璃微区钙钛矿纳米晶发光调控与应用

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阮超¹^,², 孙轲², 李昕阔¹^,², 邱建荣³, 谭德志²

作者信息

^1．浙江大学材料科学与工程学院，杭州 310058

^2．之江实验室，杭州 311121

^3．浙江大学光电科学与工程学院，杭州 310027

通讯作者:

谭德志（1986—），男，博士，研究员。

作者简介:

阮超（2001—），男，博士研究生。

Optical Regulation and Applications of Perovskite Nanocrystals in Glass Microdomains

Chao RUAN¹^,², Ke SUN², Xinkuo LI¹^,², Jianrong QIU³, Dezhi TAN²

Affiliations

^1.School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China

^2.Zhejiang Lab, Hangzhou 311121, China

^3.College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding Author:

TAN Dezhi (1986-), male, Ph.D., Professor. E-mail: wctdz@zju.edu.cn

RUAN Chao (2001-), male, Doctoral candidate. E-mail: 12326111@zju.edu.cn

出版时间: 2024-08-20 doi: 10.14062/j.issn.0454-5648.20240076

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摘要

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钙钛矿纳米晶玻璃由于其在可见光波段发光波长可调、超高稳定性、光致发光量子效率高、单色性良好等独特优势，被广泛应用于光存储、微型发光二极管（Micro-LED）、超高分辨显示等前沿领域。本文探讨了钙钛矿纳米晶的独特光学特性，综述了近年来通过B位取代、热处理和玻璃组成改性等方法优化钙钛矿纳米晶的晶体质量，进而提高其量子效率的各项研究。深入分析了热处理、超快激光直写等方式调控钙钛矿晶体组分和发光波长的根本机制。最后总结并展望了钙钛矿纳米晶玻璃在LED和光存储等领域的潜在应用和发展前景。

关键词

钙钛矿 / 纳米晶玻璃 / 优化量子效率 / 调控发光波长 / 光存储 / 发光二极管显示

Abstract

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The typical all-inorganic metal halide perovskite CsPbX₃ (X=Cl, Br, I) is widely used in the field of optoelectronics due to its advantages such as tunable spectra, good monochromaticity, and high photoluminescence quantum efficiency. However, the structural instability of perovskite crystals is one of the inevitable problems affecting their practical applications.

Perovskite nanocrystal glass, with its unique advantages such as tunable emission wavelength in the visible light spectrum, ultra-high stability, high photoluminescence quantum efficiency, and good monochromaticity, is widely used in frontier areas such as optical storage, Micro-LEDs, and ultra-high-resolution displays. However, there are still some issues with perovskite nanocrystal glass in applications. For example, the dense glass network structure limits the migration and growth of nanocrystals, resulting in lower quantum efficiency compared to nanocrystals in colloids. To optimize quantum efficiency, appropriate B-site substitution ions can be selected to reduce the toxicity of Pb and to improve the stability of perovskite nanocrystals. The heat treatment process reduces the energy barrier of the glass network, promotes the migration and enrichment of perovskite ions, and regulates the glass network structure to affect the migration and aggregation of ions, thereby affecting the nucleation and growth of perovskites. Additionally, self-crystallizing glass has relatively low energy barriers and reduces energy consumption during the heat treatment process. These methods of controlling crystal quality provide opportunities for improving the quantum efficiency of perovskite nanocrystal glass.

Furthermore, controlling the size and composition of perovskite nanocrystals can achieve tunable emission wavelengths. In addition to the above methods, ultrafast lasers, with features such as energy accumulation due to multiphoton absorption, micro-explosions induced by plasma thermal expansion, and rearrangement of glass frameworks, can induce local crystallization of glass, enabling direct redistribution of regional elements and design of localized chemical compositions. These optimization measures make full-spectrum coverage possible, which benefits significantly for color rendering, lighting efficiency, and energy savings.

Perovskite nanocrystal glass exhibits excellent stability while maintaining its excellent optical properties, demonstrating tremendous potential in the field of optics. Through encapsulation in a glass matrix, the stability of perovskite nanocrystals is enhanced, ensuring long-term stability and high efficiency performance in harsh environments. The fundamental mechanisms of controlling the composition of perovskite crystals and emission wavelengths through heat treatment, ultrafast laser writing, and other methods are analyzed thoroughly. Finally, the potential applications and development prospects of perovskite nanocrystal glass in fields such as LEDs and optical storage are summarized and forecasted.

Summary and prospects

Encapsulating CsPbX₃ NCs within a glass matrix has enhanced the stability of nanocrystals, enabling efficient and long-term luminescence in optical applications. To improve the PLQY and to tune the emission wavelength of CsPbX₃ NCs@glass, methods such as B-site substitution, modification of glass components, optimization of heat treatment processes, and improvement of laser processing parameters can be employed to regulate their luminescent properties. The resulting materials have been widely used in fields such as optical storage, LED displays, photocatalysis, and X-ray detection. However, the quantum efficiency of CsPbX₃ NCs@glass reported in most literatures is generally lower than that in colloidal nanocrystals since the dense glass network hinders the diffusion of CS⁺, Pb²⁺, X^-, making direct modification and surface passivation of perovskite nanocrystals challenging. To unlock the potential applications of CsPbX₃ NCs@glass in optical fields, the other considerations are suggested to keep in mind, that is, to reduce the toxicity of Pb and to enhance the quantum efficiency of blue-band of CsPbX₃ NCs@glass. The strategies are hopeful to achieve technological leap in this area.

Key words

perovskite / nanocrystal glass / optimizing quantum efficiency / regulating emission wavelength / optical storage / light-emitting diode display

引用本文

阮超, 孙轲, 李昕阔, 邱建荣, 谭德志. 玻璃微区钙钛矿纳米晶发光调控与应用. 硅酸盐学报, 2024 , 52 (8) : 2643 -2658 . DOI: 10.14062/j.issn.0454-5648.20240076

Chao RUAN, Ke SUN, Xinkuo LI, Jianrong QIU, Dezhi TAN. Optical Regulation and Applications of Perovskite Nanocrystals in Glass Microdomains[J]. Journal of the Chinese Ceramic Society, 2024 , 52 (8) : 2643 -2658 . DOI: 10.14062/j.issn.0454-5648.20240076

基金

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国家自然科学基金(62275233)

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2024年第52卷第8期

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文章信息

doi: 10.14062/j.issn.0454-5648.20240076

接收时间：2024-01-26
首发时间：2026-10-22
出版时间：2024-08-20

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收稿日期：2024-01-26
修回日期：2024-02-14

基金

国家自然科学基金(62275233)

作者信息

^1．浙江大学材料科学与工程学院，杭州 310058

^2．之江实验室，杭州 311121

^3．浙江大学光电科学与工程学院，杭州 310027

通讯作者:

谭德志（1986—），男，博士，研究员。

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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20240076

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2种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
小菇科 Mycenaceae	2	12	5.74	丝盖伞属 Inocybe	5	2.39
多孔菌科 Polyporaceae	8	14	6.70	蜡蘑属 Laccaria	5	2.39
红菇科 Russulaceae	3	23	11.00	小皮伞属 Marasmius	6	2.87
				小菇属 Mycena	11	5.26
				光柄菇属 Pluteus	5	2.39
				红菇属 Russula	17	8.13
				栓菌属 Trametes	5	2.39

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