柔性超疏水钙钛矿复合纸及光致发光性能  

Flexible and Superhydrophobic Perovskite Composite Paper and Its Photoluminescent Performance

作　　者：杨霁航 戴子豪 陈飞飞 YANG Jihang;DAI Zihao;CHEN Feifei(Fuzhou University Zhicheng College,Fujian Fuzhou 350002,China;College of Materials Science and Engineering,Fuzhou University,Fujian Fuzhou 350108,China)

机构地区：[1]福州大学至诚学院,福建福州350002 [2]福州大学材料科学与工程学院,福建福州350108

出　　处：《当代化工》2024年第12期2860-2863,2981,共5页Contemporary Chemical Industry

基　　金：福建省自然科学基金面上项目(项目编号:2021J01589)。

摘　　要：卤化物钙钛矿在下一代照明设备中展现出广阔的前景。然而,钙钛矿纳米晶存在柔性和水稳定性差的问题。使用羟基磷灰石(HA)纳米线作为柔性框架负载CsPbBr3钙钛矿纳米晶,随后进行聚二甲基硅氧烷(PDMS)表面改性,制备出兼具柔性和超疏水表面的钙钛矿复合纸。所制备的HA/CsPbBr3/PDMS复合纸展现出卓越的柔韧性,在物理变形后可维持结构稳定。HA/CsPbBr3/PDMS复合纸具有超疏水表面,水接触角达到151°。因此,在水中浸泡5h后,复合纸的光致发光发射峰强度仍能保持初始值的98%,在紫外光(365nm)照射下发射出明亮、均匀的绿色荧光。The halide perovskite shows a bright prospect in the next-generation lighting devices.However,perovskite nanocrystals suffer from rigidity and poor water stability.The hydroxyapatite(HA)nanowires were used as a flexible framework to support CsPbBr3 perovskite nanocrystals,followed by polydimethylsiloxane(PDMS)modification,perovskite composite paper with flexibility and superhydrophobic surfaces was prepared.The as-fabricated HA/CsPbBr3/PDMS composite paper showed the outstanding flexibility and structural stability after physical deformation.In addition,the HA/CsPbBr3/PDMS paper possessed superhydrophobic surface with a water contact angle of 151°.Therefore,the intensity of photoluminescent emission peak kept 98%initial value even after immersing composite paper in water for 5 h,and the composite paper still displayed the strong and homogeneous green fluorescence under UV irradiation(365 nm).

关 键 词：表面 复合材料 纳米材料 超疏水 钙钛矿 光致发光 纸 

分 类 号：TQ050.4[化学工程] TB33[一般工业技术—材料科学与工程]