水相室温磷光碳点进展  

Progress in Water-soluble Room-temperature Phosphorescent Carbon Dots

作　　者：张思凡 梁亚川 刘凯凯 单崇新[2] ZHANG Sifan;LIANG Yachuan;LIU Kaikai;SHAN Chongxin(School of Electronics and Information,Zhengzhou University of Light Industry,Zhengzhou 450002,China;Henan Key Laboratory of Diamond Optoelectronic Material and Devices,School of Physics and Laboratory of Zhongyuan Light,Zhengzhou University,Zhengzhou 450001,China)

机构地区：[1]郑州轻工业大学电子信息学院,河南郑州450002 [2]郑州大学河南省金刚石光电材料与器件重点实验室,物理学院,中原之光实验室,河南郑州450001

出　　处：《发光学报》2025年第2期260-272,共13页Chinese Journal of Luminescence

基　　金：国家自然科学基金(62075198,12274378,12304474);河南省优秀青年基金(222300420087)。

摘　　要：室温磷光材料因其长的发光寿命特性而备受关注,特别适用于非实时激发领域。碳点作为一类新兴的磷光材料,因其易制备、低毒性、成本低及良好的光学稳定性与可调的光学性能引起了研究人员的广泛兴趣。本文总结了当前基于碳点的磷光材料取得的重要进展。首先,详细阐述了室温磷光的发光机制,解析了磷光发射的能级结构。随后,分别阐述了固相和水相室温磷光碳点的合成策略以及调控方法。接着,重点介绍其在信息加密、传感、照明与显示和生物医学方面的潜在应用。最后,讨论了水相室温磷光碳点目前面临的主要挑战,并展望了未来的发展机遇。Room-temperature phosphorescence(RTP)materials have garnered significant attention due to their prolonged luminescent lifetime,rendering them particularly suitable for non-instantaneous excitation applications.Carbon dots(CDs),as an emerging class of RTP materials,have sparked widespread interest among researchers owing to their facile preparation,low toxicity,cost-effectiveness,excellent optical stability,and tunable optical properties.In this review,we comprehensively summarize the pivotal advancements achieved in RTP CDs materials.Initially,we delve into the luminescence mechanism of RTP,elucidating the energy level structure underlying phosphorescence emission.Subsequently,we elaborate on the synthetic strategies and modulation methods for both solidphase and water-soluble RTP CDs.Following this,we highlight their potential applications in information encryption,sensing,lighting and display,as well as biomedicine.Lastly,we discuss the primary challenges currently faced by water-soluble RTP CDs and offer insights into future development opportunities.

关 键 词：碳点 室温磷光 磷光机制 合成方法 应用 

分 类 号：O482.31[理学—固体物理]