有机-无机杂化材料动力学与热力学转化以及荧光信息防伪应用研究—

引用本文: 吴越, 李钧, 张波, 杨燕, 李海波, 张宪玺. 有机-无机杂化材料动力学与热力学转化以及荧光信息防伪应用研究——介绍一个综合化学实验[J]. 大学化学, 2024, 39(6): 390-399. doi: 10.3866/PKU.DXHX202403028 shu

Citation: Yue Wu, Jun Li, Bo Zhang, Yan Yang, Haibo Li, Xian-Xi Zhang. Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment[J]. University Chemistry, 2024, 39(6): 390-399. doi: 10.3866/PKU.DXHX202403028 shu

有机-无机杂化材料动力学与热力学转化以及荧光信息防伪应用研究——介绍一个综合化学实验

聊城大学化学化工学院, 山东聊城 252059
基金项目:
省级大学生创新创业训练计划项目(S202310447076)；山东化学教指委教学改革研究项目(SDHX-YB-2022-22,SDHX-ZD-2022-12)；聊城大学教学研究重点资助项目(G2022004)；聊城大学实验教学改革项目(26322170106,26322170212)

摘要: 有机-无机杂化发光材料易于调控的空间结构和发光性质，在发光防伪领域备受青睐。本实验基于Sb(III)掺杂Bi(III)基零维有机-无机杂化金属卤化物，利用不同的晶体生长方式实现动力学产物(化合物1)向热力学产物(化合物2)的转变，采用X-射线粉末衍射和荧光光度法分别对其进行了物相表征和光学性能测试，二者表现出截然不同的物相与光物理性质。化合物2在蒸馏水的作用下实现荧光淬灭，而且具有很强的反水性。基于化合物2出色的发光变色性质，制作了简易的可水写荧光信息防伪板/纸。本实验充分体现了“结构决定性质”的专业理论、“学以致用”的教学理念。该实验设计与实践旨在培养学生创新思维，提高其分析和解决实际问题的能力。

关键词:

English

Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment

School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong Province, China
Received Date: 11 March 2024
Revised Date: 19 April 2024
Available Online: 07 May 2024

Abstract: Organic-inorganic hybrid luminescent materials are highly favored in the luminescence anti-counterfeiting field due to their tunable structural and luminescent properties. This study investigates Sb(III) doped Bi(III)-based zero-dimensional organic-inorganic hybrid metal halides, demonstrating the transformation from kinetic products (compound 1) to thermodynamic products (compound 2) by various crystal growth methods. X-ray powder diffraction and fluorescence spectroscopy were employed to characterize their phase and optical properties, revealing distinct differences between the two compounds. Compound 2 exhibits fluorescence quenching when exposed to distilled water and possesses robust hydrophobic properties, allowing for stable long-term storage in aqueous environments. Leveraging the exceptional color-changing properties of compound 2, a simple water-writable fluorescent anti-counterfeiting board/paper was fabricated. This experiment exemplifies the principle that “structure determines properties” and embodies the educational philosophy of “learning through application”. The experimental design and implementation aim to cultivate students' innovative thinking and enhance their abilities to analyze and solve practical issues.

Key words:

Sb(III) doped Bi(III)-based hybrid halides
/ Photoluminescence
/ Kinetic and thermodynamic conversion
/ Water-induced chromism
/ Writable fluorescent anti-counterfeiting application

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沈阳化工大学材料科学与工程学院沈阳 110142

有机-无机杂化材料动力学与热力学转化以及荧光信息防伪应用研究——介绍一个综合化学实验

English

Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

有机-无机杂化材料动力学与热力学转化以及荧光信息防伪应用研究——介绍一个综合化学实验

English

Research on Kinetic and Thermodynamic Transformations of Organic-Inorganic Hybrid Materials for Fluorescent Anti-Counterfeiting Application information: Introducing a Comprehensive Chemistry Experiment

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

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