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Impact of disorder in double barrier QD structures on energy selectivity investigated by two dimensional effective mass approximation

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Aug 2010Publisher:Elsevier BVJournal:Energy Procedia, volume 2, pages 213-219 (issn: 1876-6102,

Authors: Gavin Conibeer; Binesh Puthen Veettil; Dirk König; Martin A. Green;

doi: 10.1016/j.egypro.2010.07.031

Impact of disorder in double barrier QD structures on energy selectivity investigated by two dimensional effective mass approximation

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Abstract

AbstractDouble barrier Quantum Dot structures are potential candidates for Energy Selective Contacts for Hot Carrier Solar Cells. Silicon QD in SiO2 matrix is studied for its energy selectivity using a two dimensional model. The impact of the disorders- configurational, morphological, thickness variations of the SiO2 barriers- on conductance and selectivity of the structure is studied. Application of an external electric field modifies the confinement potential and thus the resonant properties of the structure. The impact of the applied electric field on the properties of the energy selective contact is also studied in this paper.

Related Organizations

UNSW Sydney
Australia

Keywords

QD structural Disorders, Double Barrier Structure, Hot Carrier solar cell, Energy Selective Contact, Resonant Tunneling

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