A  Star‐Shaped  Solvatofluorochromic  Pyrene‐Triarylamine  Derivative as a Fluorescent Thermometer over a Wide Temperature Range † | Zendy

Sun TianGe | Zendy; Gong ZhongLiang | Zendy; Shao JiangYang | Zendy; Zhong YuWu | Zendy

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A Star‐Shaped Solvatofluorochromic Pyrene‐Triarylamine Derivative as a Fluorescent Thermometer over a Wide Temperature Range †

Author(s) -

Sun TianGe,

Gong ZhongLiang,

Shao JiangYang,

Zhong YuWu

Publication year - 2020

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.202000238

Subject(s) - chemistry , thermometer , fluorescence , pyrene , intramolecular force , atmospheric temperature range , photochemistry , derivative (finance) , stereochemistry , organic chemistry , optics , thermodynamics , physics , financial economics , economics

Summary of main observation and conclusion A star‐shaped compound 1 with a pyrene core and four triarylamine arms has been prepared and characterized. It exhibits intense intramolecular‐charge‐transfer (ICT) emissions with strong solvatofluorochromism. On the basis of the temperature‐dependent emission color and wavelength changes, compound 1 behaves as a fluorescent thermometer between 200 and 400 K with a high theromosensitivity. In comparison, model compounds with one or two triarylamine arms show distinctly lower thermosensitivity.

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