Halogen-doped phosphorescent carbon dots for grayscale patterning

查看全文 作　　者：Yanfeng [1]Liu;Mahmoud Al-[1]salihi;Yong [1]Guo;Roman [1]Ziniuk;Songtao [1]Cai;Luwei [1]Wang;Yuan [1]Li;Zhigang [1]Yang;Dengfeng [1]Peng;Kai [2]Xi;Zhongfu [3]An;Xudong [2]Jia;Liwei [1]Liu;Wei [1]Yan;Junle [1]Qu

机构地区：[1]Center for Biomedical Photonics and College of Physics and Optoelectronic Engineering,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province,Shenzhen University,Shenzhen 518060,China;[2]School of Chemistry and Chemical Engineering,Nanjing University,163 Xianlin Road,Nanjing 210023,China;[3]Key Laboratory of Flexible Electronics(KLOFE)and Institute of Advanced Materials(IAM),Nanjing Tech University(NanjingTech),30 South Puzhu Road,Nanjing 211816,China

出　　处：《Light(Science & Applications)》索引2022年第11卷第7期,共11页

基　　金：supported by the National Key R&D Program of China(2021FF0502900);the National Natural Science Foundation of China(61835009,62005171,61975127);the Guangdong Naural Science Foundation(2022A1515011954,2020A1515010679);the Key Project of Guangdong Provincial Deprtment of Education(2021ZDZX2013);the Shenzhen Basic Research Project (JCYJ20180305125304883)。 摘　　要：Flexible organic materials that exhibit dynamic ultralong room temperature phosphorescence(DURTP)via photoactivation have attracted increasing research interest for their fascinating functions of reversibly writing-reading-erasing graphic information in the form of a long afterglow.However,due to the existence of a nonnegligible activation threshold for the initial exposure dose,the display mode of these materials has thus far been limited to binary patterns.By resorting to halogen element doping of carbon dots(CDs)to enhance intersystem crossing and reduce the activation threshold,we were able to produce,for the first time,a transparent,flexible,and fully programmable DURTP composite film with a reliable grayscale display capacity.Examples of promising applications in UV photography and highly confidential steganography were constructed,partially demonstrating the broad future applications of this material as a programmable platform with a high optical information density. 关键词：ACTIVATION RESORT negligible

相关文献

参考文献（48）
引证文献（1）
耦合文献（28）

参考文献(48)

引证文献(1)

耦合文献(28)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Halogen-doped phosphorescent carbon dots for grayscale patterning

参考文献(48)

引证文献(1)

耦合文献(28)

用户提示