40122-15-4Relevant academic research and scientific papers
Effect of the Nature of the Aromatic Groups on the Lowest Excited States of trans-1,2-Diarylethenes
Bartocci, Giampiero,Mazzucato, Ugo,Spalleti, Anna,Orlandi, Giorgio,Poggi, Gabriella
, p. 3139 - 3144 (1992)
The photophysical and photochemical behaviour of a series of diarylethenes has been investigated experimentally.For the same compounds the potential-energy curves of trans -> cis photoisomerisations and the ethenic bond orders in the S1 and T1 states have been calculated.The purpose of the study is to assess which properties of the aryls govern the photophysical behaviour of the diarylethenes.It is found that the relative energies of the La and Lb states of the larger aryl with resepct to the ethene Bu state determine to a large extent the photophysical and photochemical properties of the diarylethenes.
SPECTRAL CHERACTERIZATION AND PHOTOREACTIVITY OF SOME trans-DIARYLETHYLENES BEARING LARGE ARYL GROUPS
Bartocci, Giampiero,Elisei, Fausto,Spalletti, Anna
, p. 89 - 96 (2007/10/02)
The trans isomers of 2-styryl, 1-(1-naphthyl)-2-(1'-pyrenyl)ethylene and 1-(9-anthryl)-2-(1'-naphthyl)ethylene have been characterized by spectrometric and photochemical methods.The behaviour of their excited states was investigated by fluorimery and laser flash photolysis.Kinetic information has been obtained by temperature and azulene concentration effects on the photophysical and photochemical parameters.
