Sökning: id:"swepub:oai:DiVA.org:liu-66289" >
Scattering process ...
Scattering process between polaron and exciton in conjugated polymers
-
- Sun, Zhen (författare)
- Linköpings universitet,Beräkningsfysik,Tekniska högskolan
-
- Liu, Desheng (författare)
- Shandong University
-
- Stafström, Sven (författare)
- Linköpings universitet,Beräkningsfysik,Tekniska högskolan
-
visa fler...
-
- An, Zhong (författare)
- Hebei Normal University
-
visa färre...
-
(creator_code:org_t)
- American Institute of Physics, 2011
- 2011
- Engelska.
-
Ingår i: JOURNAL OF CHEMICAL PHYSICS. - : American Institute of Physics. - 0021-9606 .- 1089-7690. ; 134:4, s. 044906-
- Relaterad länk:
-
https://liu.diva-por... (primary) (Raw object)
-
visa fler...
-
http://liu.diva-port...
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- Scattering process between a negative polaron and an exciton in a polymer chain is investigated by using the Su-Schrieffer-Heeger model modified to include electron-electron interactions, the Brazovskii-Kirova symmetry breaking term, and an external electric field. It is found that the scattering process is spin dependent. If the polaron and the exciton have parallel spins, the polaron can easily pass through the exciton as if it "do not see" the exciton. If the polaron and the exciton have antiparallel spins, there exist strong repulsion between them. The polaron may be bounced back, be dissociated or pass through the exciton depending on the strength of the external electric field. In any of these cases, the polaron cannot break the exciton.
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas