Modulating hydrothermal condition to achieve carbon dots-zeolite composites with multicolor afterglow

查看全文 作　　者：Jiali [1]Wen;Zhifeng [1]Zeng;Bolun [2]Wang;Junyu [1]Hong;Yingyuan [1]Chen;Jianyu [3]Zhang;Jiyang [2]Li;Jiuxing [1,4]Jiang 机构地区：[1]MOE Key Laboratory of Bioinorganic and Synthetic Chemistry,School of Chemistry,Sun Yat-sen University,Guangzhou 510006,China;[2]State Key Laboratory of Inorganic Synthesis and Preparative Chemistry,College of Chemistry,Jilin University,Changchun 130012,China;[3]Department of Chemistry,Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction,The Hong Kong University of Science and Technology,Kowloon,Hong Kong 999077,China;[4]Guangdong Provincial Key Laboratory of Optical Chemicals,XinHuaYue Group,Maoming 525000,China 出　　处：《Nano Research》索引2023年第16卷第5期,共9页 基　　金：the National Natural Science Foundation of China(No.21971259). 摘　　要：Responsive luminescence materials with prolonged lifetime and multicolor emission have drawn great attention due to their attractive optical property and potential applications.Herein,two responsive carbon dots(CDs)based composites:CD_(1)@MCM-22P and CD_(2)@ZSM-12 were achieved by a one-step hydrothermal method.By adjusting the hydrothermal condition,CD_(1)@MCM-22P owns temperature-dependent afterglow,while CD_(2)@ZSM-12 is equipped with excitation-dependent room-temperature phosphorescence.The photoluminescence mechanisms of CD1@MCM-22P and CD_(2)@ZSM-12 were investigated and proposed,and the composites were applied in multi-mode anti-counterfeiting.This work provides an insight as well as a feasible method for the development of multi-emissive CDs@zeolite composite. 关 键 词：carbon dots zeolitic matrices responsive photoluminescence room-temperature phosphorescence thermally activated delayed fluorescence