| Literature DB >> 22617218 |
Mingzhu Lu1, Yulan Zhu, Kuirong Ma, Li Cao, Kun Wang.
Abstract
Four new cyano-substituted styryl derivatives based on carbazole and phenothiazine were facilely synthesized by conventional Knoevenagel condensation and well characterized. The UV-vis spectra of these dyes showed the lowest-energy absorption bands were mainly caused by the HOMO-LUMO one-electron promotion as conformed by TD-DFT calculations. The thermogravimetric analysis showed these dyes were thermally stable up to 350 °C. The UV-vis absorption and fluorescence emission spectra were also studied in solvents of different polarity, these dyes exhibited unusual large Stokes shift.Entities:
Mesh：
Substances：
Year: 2012 PMID： 22617218 DOI： 10.1016/j.saa.2012.04.090
Source DB: PubMed Journal: Spectrochim Acta A Mol Biomol Spectrosc ISSN： 1386-1425 Impact factor: 4.098