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Investigation of localized phase changes using high resolution electron back-scatter diffraction in thin film cadmium telluride photovoltaic material with high lattice defect densities

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conference contribution
posted on 24.01.2020 by Ali Abbas, A Munshi, KL Barth, WS Sampath, GD West, Michael Walls
This study focuses on the microstructural and crystallographic characteristics of cadmium telluride thin film photovoltaics using the novel characterization technique of transmission electron back-scatter diffraction (T-EBSD). Taking advantage of the increase in resolution of transmission electron back-scatter diffraction capabilities, identification of localized changes of phase within the cadmium telluride grains have been detected. T-EBSD of the cadmium telluridegrains show areas containing very high defect densities indexed to the hexagonal phase whereas the rest of the grain is indexed to the cubic phase, showing that the high densities of defects alters the stacking formation enough to causes a localized change of phase, forming two different phases within the same grain.

Funding

OTH Supersolar hub - Extension : EP/P02484X/1

IAA 17 - Michael Walls - EPG June 17

NSF I/UCRC and AIR programs

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Research Unit

  • Centre for Renewable Energy Systems Technology (CREST)

Published in

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)

Pages

1692 - 1696

Source

2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC)

Publisher

IEEE

Version

AM (Accepted Manuscript)

Rights holder

© IEEE

Publisher statement

© 2018 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.

Publication date

2018-11-29

Copyright date

2018

ISBN

9781538685297

Language

en

Location

Waikoloa Village, HI, USA

Event dates

10th June 2018 - 15th June 2018

Depositor

Dr Ali Abbas. Deposit date: 21 January 2020

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