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Charge Transport in Disordered Organic Photoconductors a Monte Carlo Simulation Study

Charge Transport in Disordered Organic Photoconductors a Monte Carlo Simulation Study,10.1002/pssb.2221750102,Physica Status Solidi B-basic Solid Stat

Charge Transport in Disordered Organic Photoconductors a Monte Carlo Simulation Study   (Citations: 163)
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    • ...The data from the study of the electric-field and temperature dependence of the hole transport are then fitted to Bassler's Gaussian Disorder Model (GDM) [2]...

    Yap Boon Karet al. Charge transport of novel blue dibenzothiophene phenylenediamine copol...

    • ...Due to the mention disorder, the transport-levels (HOMO and LUMO) are broader and can be well described by a bimodal distribution of sites, consisting of a narrow Gaussian distribution and an exponential tail of sites [9], [5], [4], [1], [3]...

    Nico Christet al. Trap states limited nanosecond response of organic solar cells

    • ...high-efficiency OPV. The relaxation process proceeds within the density of states (DOSs) distribution of the organic semiconductor [23]‐[25]...
    • ...In contrast to inorganic crystalline semiconductors, which have well-defined periodic atomic crystal structures, organic materials are heavily disordered Van der Waals type solid-state structures with localized DOS distribution [23], [26], [27]‐[30] It was shown that the functional shape and other properties of the DOS are determined by the degree of disorder in the film [23], [31] Thermalization was experimentally observed by fast initial ...
    • ...In contrast to inorganic crystalline semiconductors, which have well-defined periodic atomic crystal structures, organic materials are heavily disordered Van der Waals type solid-state structures with localized DOS distribution [23], [26], [27]‐[30] It was shown that the functional shape and other properties of the DOS are determined by the degree of disorder in the film [23], [31] Thermalization was experimentally observed by fast initial ...
    • ...Fig. 5 shows a simplified schematic picture of the photogenerated charge carriers within the DOS distribution in the presence of a Coulomb attraction and external electric field [23]...

    Almantas Pivrikaset al. Charge Carrier Lifetime and Recombination in Bulk Heterojunction Solar...

    • ... The cofacial arrangement often leads to steric repulsions of the side chains, larger intermolecular separations and widening of the statistical distribution of transfer integrals, which is known to decrease the charge mobilit...

    Xinliang Fenget al. Towards high charge-carrier mobilities by rational design of the shape...

    • ...Consequently, a distribution of localized transport sites around the highest occupied and lowest unoccupied molecular orbit level is likely to appear in a form that, in most of the cases, is well represented by a Gaussian distribution [23], [24] (Fig. 1)...
    • ...Bassler et al. [23], [24] that the temperature dependence can follow a non-Arrhenius behavior ðln� / 1=T 2 Þ...
    • ...‘‘occupational density of states.’’ (Adapted from [23].) Gupta et al.: Transport of Photogenerated Charge Carriers in Polymer Semiconductors...
    • ...Early theoretical treatments incorporated positional disorder [28] and energetic disorders to explain some of the anomalous properties like thickness dependence and tail broadening of TOF transients [29] and temperature dependent transitions from nondispersive to dispersive transports [23], [24]...

    Dhritiman Guptaet al. Transport of Photogenerated Charge Carriers in Polymer Semiconductors

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