Accessing a Long‐Fluorescence‐Lifetime BODIPY Dye via Efficient Förster Resonance Energy Transfer Induced by Host‐Guest Doping

Author:

Cai Lian‐Jun123,Wang Xiang3,Zong Qian‐Shou2,Jiang Xin‐Peng1,Hu Hai‐Yu3ORCID

Affiliation:

1. College of Pharmaceutical Sciences Zhejiang University of Technology Hangzhou Zhejiang 341014 China

2. College of Biological Chemical Sciences and Engineering Jiaxing University Jiaxing Zhejiang 314001 China

3. State Key Laboratory of Bioactive Substances and Function of Natural Medicine Institute of Materia Medica Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100050 China

Abstract

AbstractThe development of pure organic room temperature phosphorescence (RTP) luminophores with high quantum yield and long emission lifetime has attracted considerable attention due to their extensive optoelectronic and biomedical applications. The commonly used BODIPY dyes have strong UV‐Vis absorption, a relatively sharp emission peak, high quantum yield, and a short emission lifetime. By expending the molecular doping approach, we herein successfully achieved a long‐fluorescence‐lifetime BODIPY dye via efficient Förster resonance energy transfer (FRET) from RTP molecule o‐AI‐Cz to the short‐lived fluorescence emitter Bodipy‐2I. This host‐guest material possessed an ultralong lifetime of up to 595 ms and a long emission wavelength under ambient conditions, which has great potential in data encryption and anti‐counterfeiting applications. Moreover, this easily prepared FRET system exhibited an efficient response to two‐photon excitation in living cell fluorescence imaging.

Funder

National Natural Science Foundation of China

Publisher

Wiley

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Analytical Chemistry

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