Investigating the effects of side chain length on the AIE properties of water-soluble TPE derivatives

Three water-soluble TPE derivatives with different lengths of side chains have been synthesized and we investigated the effects of side chains on aggregation-induced emission (AIE) properties in the aggregated states. The results indicate that side chains on the fluorophores play a pivotal role in t...

Full description

Saved in:
Bibliographic Details
Published in:Tetrahedron letters 2014-02, Vol.55 (8), p.1496-1500
Main Authors: Dong, Yifan, Wang, Weilun, Zhong, Cewen, Shi, Jianbing, Tong, Bin, Feng, Xiao, Zhi, Junge, Dong, Yuping
Format: Article
Language:English
Subjects:
Aggregation-induced emission (AIE)
Chains
Chemical compounds
Decay
Derivatives
Emission
Fluorescence
Fluorescence enhancement
Heparin
Tetrahedrons
Tetraphenylethylene (TPE)
Thermoplastic elastomers
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Three water-soluble TPE derivatives with different lengths of side chains have been synthesized and we investigated the effects of side chains on aggregation-induced emission (AIE) properties in the aggregated states. The results indicate that side chains on the fluorophores play a pivotal role in their emission in aggregated state mediated by heparin or solid state, because the coplanarity of these TPE derivatives was affected by side chains. The emissive properties of fluorophores in aggregated state are important for the development of bio-sensors or bio-imaging reagents. So three water-soluble TPE derivatives with different lengths of side chains have been synthesized and we investigated the effects of side chains on aggregation-induced emission (AIE) properties in the aggregated states. The results indicate that side chains on the fluorophores play a pivotal role in their emission in aggregated state mediated by heparin or solid state, because the coplanarity of these TPE derivatives was affected by side chains. The rates of radiative decay kf and non-radiative decay knr have been obtained through the quantum yields and lifetime, and a larger kf and smaller knr were present for compound TPE-C4N, suggesting that the aggregated TPE-C4N should posses the most remarkable fluorescent property.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2014.01.062