Jump to main content
Jump to site search

Issue 35, 2017
Previous Article Next Article

Planar 2-(2-hydroxyphenyl)benzothiazole-based dyes functionalized via triple bonds as exceedingly efficient solid-state fluorophores

Author affiliations

Abstract

Two crystalline 2-(2-hydroxyphenyl)benzothiazole (HBT) derivatives, phenylethynyl-modified HBT (HBT-H) and 4-methylphenylethynyl-modified HBT (HBT-Me), show large Stokes shifts and exceedingly high fluorescence quantum yields (Φf) despite the lack of sterically bulky groups or propeller-shaped moieties in their extended π-conjugated planar structures. Furthermore, although the intramolecular H-bonding in HBT-Me is weaker than that in HBT-H, the Φf of crystalline HBT-Me (91.19%) is higher than that of crystalline HBT-H (75.46%). X-ray diffraction analysis demonstrates that HBT-Me and HBT-H crystals form J- and weak H-aggregates, respectively.

Graphical abstract: Planar 2-(2-hydroxyphenyl)benzothiazole-based dyes functionalized via triple bonds as exceedingly efficient solid-state fluorophores

Back to tab navigation

Supplementary files

Article information


Submitted
14 Jun 2017
Accepted
07 Aug 2017
First published
08 Aug 2017

CrystEngComm, 2017,19, 5178-5183
Article type
Communication

Planar 2-(2-hydroxyphenyl)benzothiazole-based dyes functionalized via triple bonds as exceedingly efficient solid-state fluorophores

Y. Niu, L. Xu, Q. Wang, H. Wu and Y. Zhang, CrystEngComm, 2017, 19, 5178
DOI: 10.1039/C7CE01108C

Social activity

Search articles by author

Spotlight

Advertisements