Achieving long-lived thermally activated delayed fluorescence in the atmospheric aqueous environment by nano-encapsulation

Yingnan Wu; Long Jiao; Fengling Song; Miaomiao Chen; Dapeng Liu; Wei Yang; Yuming Sun; Gaobo Hong; Lingge Liu; Xiaojun Peng

doi:10.1039/C9CC07704A

Achieving long-lived thermally activated delayed fluorescence in the atmospheric aqueous environment by nano-encapsulation†

Yingnan Wu,‡^a Long Jiao,‡^b Fengling Song,

*^ab Miaomiao Chen,^b Dapeng Liu,*^a Wei Yang,^bc Yuming Sun,^c Gaobo Hong,^b Lingge Liu^b and Xiaojun Peng

^b

Author affiliations

* Corresponding authors

^a Institute of Molecular Sciences and Engineering, Shandong University, Qingdao 266237, P. R. China
E-mail: songfl@sdu.edu.cn

^b State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, High-tech District, Dalian, China
E-mail: songfl@dlut.edu.cn

^c Chemical Analysis and Research Center, Dalian University of Technology, Dalian 116024, People's Republic of China

Abstract

Fluorescent silica nanoparticles, which encapsulated dye DCF-BYT with thermally activated delayed fluorescence (TADF) were fabricated by a simple synthetic method. Even in the atmospheric aqueous environment, the obtained DCF-BYT nanoparticles exhibited extremely long TADF lifetime up to 9.33 ms, which imparts these nanoparticles with great potential in biological applications, like time-resolved fluorescence imaging.

Chemical Communications

Achieving long-lived thermally activated delayed fluorescence in the atmospheric aqueous environment by nano-encapsulation†

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Achieving long-lived thermally activated delayed fluorescence in the atmospheric aqueous environment by nano-encapsulation

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