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Title: Intragranular defects in As-deposited and Cadmium Chloride treated Polycrystalline Cadmium Telluride solar cells
Authors: Fiducia, Thomas
Abbas, Ali
Barth, Kurt L.
Sampath, Walajabad S.
Walls, Michael
Keywords: Terms—photovoltaic
Cadmium telluride
Issue Date: 2016
Publisher: © IEEE
Citation: FIDUCIA, T. ...et al., 2016. Intragranular defects in As-deposited and Cadmium Chloride treated Polycrystalline Cadmium Telluride solar cells. Presented at the 43rd IEEE Photovoltaics Specialist Conference, Portland, OR, 5-10th June, pp. 3366-3390.
Abstract: Atomic-scale defects limit the open circuit Voltage, and the conversion efficiency of thin film polycrystalline cadmium telluride solar cells. Using state of the art aberration corrected high resolution transmission electron microscopy, the type, density and atomic structure of intragranular defects present in cadmium chloride treated and untreated CdTe has been established. The cadmium chloride activation process dramatically reduces defect density but faults do remain. Characterizing the defects in both materials is an essential first step to determining their potential electrical effects, and to understanding how the cadmium chloride treatment reduces their density. Improving our knowledge of the mechanisms involved can lead to further process improvements.
Description: © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor: This work was funded by the UKERC Supergen SuperSolar Hub .
Version: Accepted
DOI: 10.1109/PVSC.2016.7750295
URI: https://dspace.lboro.ac.uk/2134/23063
Publisher Link: https://doi.org/10.1109/PVSC.2016.7750295
ISBN: 9781509027248
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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