Efficient green light-excited switches based on dithienylethenes with BF2-doped π-conjugated systems

Efficient green light-excited switches based on dithienylethenes with BF2-doped π-conjugated systems

A series of dithienylethenes 1a–1d with BF2-doped π-conjugation have been successfully developed. Upon alternating irradiation with green light and red/NIR light, they show efficient photochromism and fluorescence switching behaviors in toluene and PMMA film. Moreover, the fluorescence of 1a can be...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2019-11, Vol.55 (89), p.13430-13433
Hauptverfasser: Li, Ziyong, Dai, Yijie, Lu, Zhiqiang, Pei, Yingying, Chen, Hong, Zhang, Lilei, Duan, Ying, Guo, Hui
Format: Artikel
Sprache:eng
Schlagworte:
Chemical bonds
Conjugation
Crystal structure
Crystallography
Fluorescence
NMR
Nuclear magnetic resonance
Photochromism
Switches
Switching
Toluene
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Beschreibung
Zusammenfassung:A series of dithienylethenes 1a–1d with BF2-doped π-conjugation have been successfully developed. Upon alternating irradiation with green light and red/NIR light, they show efficient photochromism and fluorescence switching behaviors in toluene and PMMA film. Moreover, the fluorescence of 1a can be switched effectively in living cells.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc06838d