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Characterization and improvements of presumptive molecular switch molecules

โœ Scribed by Anders Broo; Sigurd Hagen

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
319 KB
Volume
196
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Organic donor-bridge-acceptor (D-B-A) molecules are studied using experimental and theoretical methods. Solvatochromic shifts of the spectra for both series of molecules were interpreted using a Lippert analysis. In the conjugated D-B-A systems the charge separation upon excitation is found to be about 30%-40%. In the non-conjugated molecules the charge separation was only about 7%-14%. Quantum-chemical calculations of spectra and geometry for some not yet synthesized molecules were performed in order to seek to increase the amount of direct charge separation upon excitation.

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