Excitons in polymerized diacetylenes
β Scribed by Michael R. Philpott
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 443 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
A simple cxtiton theory for the cxcrted clcctronie States of poly-Z,4-hcxadiyn-1,6-dlo1 his@-toluenc sulpfronnte) is &w_ribeti. ~~~f]~IIr~ti~n itttcrartion between bond cxci~oos, dtargc trdrtsfcr c&ton\ dnd two-cpcttan States is inciudcd in the theory. The K = 0 levels are dcscrlbed dnd their parentage traced to Icvcl~ in two model compounds, virlyI acetylene artd cyclododccatricnctriync.
1 hc 2 eV trahtmn Of the polymer is predicted to bc 'i coltectivc state of the bond and charge twnsfer cxciton\ wit11 no two-exciton cotItpon~nt.
The lowest tnplet state IS prcdzcted to Ire below the first singlet and to also have extenswe charge transfer charxtcr.
π SIMILAR VOLUMES
Exciton surface polaritons (ESP's) have been observed by the technique of attenuated total reflection (ATR) spectroe copy at 295 K on the (100) face of the polymerized diacetylene crystal poly-2,4hexadiyne-l,6diol bis @-toluene sulfonate). The ATR experiments were performed by measuring the p-polari