Monte-Carlo simulations of geminate electron-hole pair dissociation in a molecular heterojunction

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Abstract

Monte Carlo simulations are used to investigate the dissociation of a Coulomb correlated charge pair at an idealized interface between an electron accepting and an electron donating molecular material. In the simulations the materials are represented by cubic lattices of sites, with site the energies spread according to Gaussian distributions. The influence of temperature, applied external fields, and the width of the Gaussian densities of states distribution for both the electron and the hole transporting material are investigated. The results show that the dissociation of geminate charge pairs is assisted by disorder. When the rate for geminate recombination at the interface is very low (
Original languageEnglish
Title of host publicationOrganic photovoltaics VI : 2 - 4 August, San Diego, California, USA
Place of PublicationBellingham, Wash
PublisherSPIE
Pages265-273
ISBN (Print)0-8194-5943-7
DOIs
Publication statusPublished - 2005
Eventconference; Organic photovoltaics VI : 2 - 4 August, San Diego, California, USA; 2005-08-04; 2005-08-08 -
Duration: 4 Aug 20058 Aug 2005

Publication series

NameProceedings of SPIE
Volume5938
ISSN (Print)0277-786X

Conference

Conferenceconference; Organic photovoltaics VI : 2 - 4 August, San Diego, California, USA; 2005-08-04; 2005-08-08
Period4/08/058/08/05
OtherOrganic photovoltaics VI : 2 - 4 August, San Diego, California, USA

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