期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 301, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2019.127139
关键词
Aggregation-induced emission; D-pi-A structure; Fluorescent thermometer; Lipid droplet imaging; Photodynamic therapy
资金
- National Natural Science Foundation of China [21501150, 51502079, 81902356, 21601156]
- Training Program for Young Backbone Teachers of Henan University of Technology
- Science and Technology Key Project of Henan Education Department [18A150026]
- Open Foundation of Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials, Guangxi University [2019GXYSOF12]
- Joint Co-construction Research Project of Henan Medical Science and Technology Research Plan [2018020025]
Luminogens with aggregation-induced emission (AIE) characteristic drew extraordinary attention owing to their excellent luminescence properties in aggregated state or solid state, which showed wide application prospect in chemical sensing, bioimaging, lighting material and display material. In this work, a novel AIE molecule of (2,3-bis(4-(dimethylamino)phenyequinoxalin-6-yl)(phenyemethanone (designated as LD-red) was facilely synthesized through a single-step reaction with commercially available materials. Based on its intrinsic twisted intramolecular charge transfer (TICT) characteristic, LD-red was successfully utilized as a reversible fluorescent thermometer. More importantly, LD-red exhibited good biocompatibility, which not only can be used as a probe for lipid droplets-specific imaging, but also can work as a promising photosensitizer to kill cancer cells through generation of reactive oxygen species (ROS) upon white light irradiation. LD-red enriches the kinds of AIEgens and, more importantly, this work provides a new strategy for constructing multifunctional AIEgen with TICT characteristic.
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