THEORETICAL ANALYSIS OF ENERGY SELECTIVE CONTACTS WITH Si QDS IN SiO2 MATRIX WITH SIC BARRIERS USING A 2 DIMENSIONAL MODEL (poster)

Binesh Puthen-Veetil*, Dirk Koenig, Gavin Conibeer, Martin A. Green

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Double barrier Quantum Dot structures are potential candidates for Energy Selective Contacts for Hot Carrier Solar Cells. Silicon QDs in SiO2 matrix with SiC barriers make a very effective Energy Selective Contact and has several advantages over the same structure with SiO2 barriers. In this paper, the Energy Selective Contacts are studied for their energy selectivity using a two dimensional scattering matrix model. The improvement in conduction by using SiC barriers compared to that by using SiO2 barriers is studied quantitatively. The impacts of configurational and morphological disorders of the dots on the filtering properties of Energy Selective Contacts are analyzed. The impacts of external electric field and temperature on the electrical properties of the QD structure are also studied and the I-V characteristics is obtained.
Keywords: Modeling, Quantum Dots, Silicon Carbide
Original languageEnglish
Title of host publicationProc. of the 24th European Photovoltaic Solar Energy Conference (24E-PVSEC)
Subtitle of host publicationProc. on CD-ROM
EditorsWim Sinke, Heinz Ossenbrink, peter Helm
Pages427-430
Number of pages4
Publication statusPublished - 25 Sept 2009
Externally publishedYes
Event24th European Photovoltaic Solar Energy Conference 2009 - Hamburg, Germany
Duration: 21 Sept 200925 Sept 2009
Conference number: 24

Conference

Conference24th European Photovoltaic Solar Energy Conference 2009
Abbreviated titleEUPVSEC 2009
Country/TerritoryGermany
CityHamburg
Period21/09/0925/09/09
OtherSeptember 21-24 2009

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