Preparation of CsPbBr<sub>3</sub>@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism

刘鲍; 马莹莹; 王启轩; 周鹏宇; 翟阅臣; 张宇; 王三龙

doi:10.11949/0438-1157.20260068

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Preparation of CsPbBr₃@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism

更新时间：2026-04-07

- Preparation of CsPbBr₃@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism
- CIESC Journal (2026)
- 作者机构：
  
  1.东北电力大学化学工程学院，吉林吉林 132012
  2.东北电力大学理学院，吉林吉林132012
  东北电力大学，现代电力系统仿真控制与绿色电能新技术教育部重点实验室，电气工程学院，吉林 132012
- 作者简介：
- 基金信息：
- DOI：10.11949/0438-1157.20260068
  CLC： TQ 026
- Received：14 January 2026，
  
  Revised：2026-04-04，
  
  Accepted：07 April 2026，
- 稿件说明：
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刘鲍, 马莹莹, 王启轩, et al. Preparation of CsPbBr₃@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism[J/OL]. CIESC Journal, 2026. DOI: 10.11949/0438-1157.20260068.
DOI：

刘鲍, 马莹莹, 王启轩, et al. Preparation of CsPbBr₃@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism[J/OL]. CIESC Journal, 2026. DOI: 10.11949/0438-1157.20260068. DOI：

摘要

本研究采用高温固相法制备了CsPbBr

纳米晶与三维双连续立方相介孔二氧化硅（KIT-6）分子筛复合材料，利用KIT-6分子筛中的三维介孔结构实现对进入其内部的CsPbBr

纳米晶的空间限制与界面调控，以有效改善CsPbBr

纳米晶经历潮湿环境后，结构与荧光的可逆性差的问题。对比研究发现，经400℃煅烧制得的样品中，KIT-6载体的介孔结构保持良好，且CsPbBr

纳米晶的结晶度高，均匀分散。测试表明，该材料具有优异的水致变色循环可逆性，且经3次循环水致变色测试其荧光性能无明显衰减。分析表明，该材料在湿润和干燥环境下，荧光颜色的可逆切换是源于KIT-6介孔中CsPbBr

与CsPb

的可逆转变。本研究表明，此类复合材料具有良好的水致变色特性，在复写纸、智能防伪标签及湿度传感器等光学器件中展现出良好应用潜力。

Abstract

A composite material consisting of CsPbBr

nanocrystals and three-dimensional cubic mesoporous silica molecular sieve (KIT-6) was synthesized by a high-temperature solid-state method. The three-dimensional mesoporous structure of the KIT-6 molecular sieve was employed to spatially confine and interface-regulate the CsPbBr

nanocrystals incorporated within it

effectively addressing the poor reversibility of structure and fluorescence in CsPbBr

nanocrystals after exposure to

humid environments. Comparative studies revealed that in the sample calcined at 400°C

the mesoporous structure of the KIT-6 carrier remained well-preserved

and the CsPbBr

nanocrystals exhibited high crystallinity and uniform dispersion. Tests demonstrated that the material possesses excellent water-induced chromic cycle reversibility

with no significant attenuation in fluorescence performance after three cycles of water-induced chromic testing. Analysis indicated that the reversible switching of fluorescence color between wet and dry environments originates from the reversible transformation between CsPbBr

and CsPb

within the mesopores of KIT-6. This study shows that such composite materials exhibit favorable water-induced chromic properties

demonstrating promising application potential in optical devices such as rewritable paper

smart anti-counterfeiting labels

and humidity sensors.

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references

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⁰

Preparation of CsPbBr3@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism

DOI：10.11949/0438-1157.20260068

摘要

Abstract

关键词

Keywords

references

Preparation of CsPbBr₃@KIT-6 Composite by High-Temperature Solid-Phase Method and Its Reversible Water-Induced Chromism