期刊
DYES AND PIGMENTS
卷 192, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2021.109458
关键词
Solvatochromic; F-sensor; Dithienothiophenes; Triarylborane; Triphenylamine
资金
- TUBITAK [114Z202, 2211A]
- Higher Education Council of Turkey (YOK)
- National Center for High Performance Computing of Turkey (UHeM)
- Unsped Global Lojistik, Turkey
The two compounds exhibit large Stokes shifts and solvatochromic behaviors, changing emission colors from blue to orange in different solvents. They are highly sensitive towards fluoride ions, displaying a blue shift upon addition of TBAF.
Two dithieno[3,2-b;2 ',3 '-d]thiophenes, posessing donor-pi-acceptor (D-pi-A) character through electron donor triphenylamine and electron acceptor boron, were successfully synthesized. They had large Stokes shifts of 140 and 155 nm and exhibited remarkable solvatochromic behaviors. Emission colors changed from blue to orange in non-polar to polar solvents, respectively. They acted as colorimetric and fluorescent chemosensors with high sensitivity towards fuoride anion, displaying a blue shift from yellow upon addition of TBAF as a result of blocking D-A conjugation.
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