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http://dx.doi.org/10.5012/bkcs.2009.30.1.097

New Calculation of Charge Generation Efficiency and Photocurrent in Organic Photoconducting Device  

Lee, Choong-Kun (Department of Chemistry, Hanyang University)
Oh, Jin-Woo (Department of Chemistry, Hanyang University)
Choi, Chil-Sung (Department of Chemistry, Hanyang University)
Lee, Nam-Soo (Department of Chemistry, Chungbuk National University)
Kim, Nak-Joong (Department of Chemistry, Hanyang University)
Publication Information
Bulletin of the Korean Chemical Society / v.30, no.1, 2009 , pp. 97-101 More about this Journal
Abstract
A new approach was applied to examine the charge generation and transport in organic photoconductive devices by Monte‐Carlo simulation utilizing multiple site interactions of carriers with all other charges within Coulomb radius. Stepwise generation frame was considered first by a charge separation process that was counted in two separate transactions, i.e., hopping against physical decay and dissociation against recombination. Thereafter, diffusion/ drifting process of free carriers was counted to follow. This method enables to examine readily the photocurrent generated alongside the charge generation efficiency. The field and temperature dependences of the efficiency and photocurrent were obtained comparable to Onsager’s and experimental data.
Keywords
Monte Carlo simulation; Photo charge generation; Photocurrent; Multiple site interaction;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
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