基于超声剥离3D超分子晶体的微米级Eu-MOF颗粒制备及其在防伪中的应用  

Preparation of micron-sized Eu-MOF particles based on ultrasonic exfoliation of 3D supramolecular crystals and itsapplication in anti-counterfeiting

作　　者：汪杨 杨帛颖 李新平 冯慧敏 康榭娜 张茜雅 童树华 常慧 张召 WANG Yang;YANG Bo-ying;LI Xin-ping;FENG Hui-min;KANG Xie-na;ZHANG Xi-ya;TONG Shu-hua;CHANG Hui;ZHANG Zhao(College of Bioresources Chemical and Materials Engineering,National Demonstration Center for Experimental Light Chemistry Engineering Education,Shaanxi Province Key Laboratory of Papermaking Technology and Specialty Paper,Shaanxi University of Science&Technology,Xi′an 710021,China;Zhejiang Jinchang Special Paper Co.,Ltd.,Quzhou 324404,China;College of Mechanical and Electrical Engineering,Shaanxi University of Science&Technology,Xi′an 710021,China)

机构地区：[1]陕西科技大学轻工科学与工程学院轻化工程国家级实验教学示范中心陕西省造纸技术及特种纸品开发重点实验室,陕西西安710021 [2]浙江金昌特种纸股份有限公司,浙江衢州324404 [3]陕西科技大学机电工程学院,陕西西安710021

出　　处：《陕西科技大学学报》2023年第5期1-7,共7页Journal of Shaanxi University of Science & Technology

基　　金：国家自然科学基金项目(22171170,21703131);陕西省科技厅重点研发计划项目(2022GY-279);陕西省科技厅自然科学基础研究计划项目(2021JQ-555);陕西科技大学博士科研启动基金项目(2019BJ-34)。

摘　　要：设计了一种3D超分子结构,用于通过超声剥离制备微米级Eu-MOFs颗粒.由于2D层状Eu-MOFs表面存在大量DMF配位分子,其在油墨中具有良好的分散性.微米尺寸的Eu-MOFs表现出优异的流变性能,因此它们很容易与油墨或印泥基材结合成荧光油墨或印泥,表现出优异的稳定性.荧光油墨和印泥通过丝网印刷和指压加工出荧光图案,荧光图案在自然光下观察不到任何痕迹,在紫外光下则清晰可见,并发出明亮的红光.具有Eu^(3+)发光的独特2D层状Eu-MOFs可使其广泛应用于防伪领域.A 3D supramolecular structure was designed for preparing micron-sized Eu-MOFs particles by ultrasonic stripping.Due to a large number of DMF coordination molecules on the surface of 2D lamellar Eu-MOFs,the Eu-MOFs have good dispersion in slurry and the fluorescent ink shows excellent stability.The micron-sized Eu-MOFs exhibited excellent rheological properties,given they are easily combined with ink or mud substrate,and the fluorescent printing ink and printing mud are processed by screen printing and finger pressing.The colorless and transparent installation of fluorescent ink and printing mud,no marks were observed in the fluorescent pattern under natural light.Under ultraviolet light,fluorescent patterns on paper products were clearly displayed and bright red-light patterns were emitted.Unique 2D lamellar Eu-MOFs with Eu^(3+)luminescence makes it widely used in the field of anti-counterfeiting.

关 键 词：3D超分子MOF Eu^(3+)离子 超声波剥离 荧光防伪 

分 类 号：TS853.6[轻工技术与工程]