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Theoretical study on the one- and two-photon absorption properties of a series of octupolar oligofluorenes and dipolar analogs
- Source :
- Chemical Physics Letters. 385:149-154
- Publication Year :
- 2004
- Publisher :
- Elsevier BV, 2004.
-
Abstract
- A comparative study of electronic structure, one-photon absorption and two-photon absorption properties of octupolar oligofluorenes and their dipolar counterparts is presented by using AM1 and ZINDO-SOS methods. The conjugation length and molecular dimension importantly affect TPA cross-section values. The maximum TPA cross-section increases in proportion to N α ( α =2.41 and 2.24), where N is the number of fluorene moieties in dipolar molecules and each arm of octupolar analogs.
Details
- ISSN :
- 00092614
- Volume :
- 385
- Database :
- OpenAIRE
- Journal :
- Chemical Physics Letters
- Accession number :
- edsair.doi...........a08bf1bfbb876878f7bd1b6584913709