Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
177425 | Dyes and Pigments | 2010 | 5 Pages |
Abstract
A series of D–π–D quadrupolar fluorophores with systematically varied π-conjugated cores were prepared using the Heck reaction and their single- and two-photon photophysical properties were examined. Introduction of extended π-conjugated cores such as indenofluorene/indolocarbazole was found to induce only small shifts in the absorption and emission maxima versus the phenylene linked fluorophore but greatly enhance their single- and two-photon absorption cross-sections. The effects of positional substitution on the properties of the indolocarbazole derivatives were also investigated.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Zhiqiang Liu, Duxia Cao, Ying Chen, Qi Fang,