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2017 High Resolution 3D Chemical Characterisation of a Cadmium Telluride IEEE PVSC.pdf (1.46 MB)

High resolution 3D chemical characterisation of a cadmium telluride solar cell by dynamic SIMS

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conference contribution
posted on 2018-06-21, 09:15 authored by Tom Fiducia, Kexue Li, Chris R.M. Grovenor, Kurt L. Barth, Walajabad S. Sampath, Michael WallsMichael Walls
Impurity elements such as chlorine and sulphur can have significant effects on the electrical performance of cadmium telluride (CdTe) solar cells. Here, the 3D distribution of such elements in a cadmium chloride treated CdTe device has been determined by high resolution dynamic SIMS, a novel technique that has not been applied to thin-film PV cells. It is found that as well as segregating to grain boundaries following treatment, chlorine also segregates to the CdS/CdTe interface. Conversely, sulphur shows a U-shaped diffusion profile. These results have potential implications for the processing thin-film CdTe devices.

Funding

One of the authors (TF) is grateful to the EPSRC SuperSolar Hub for funding an International Engagement secondment at Colorado State University.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

44th IEEE Photovoltaics Specialist Conference, 25 June 2017 to 30th June 2017

Citation

FIDUCIA, T. ... et al, 2017. High resolution 3D chemical characterisation of a cadmium telluride solar cell by dynamic SIMS. Presented at the 2017 44th IEEE Photovoltaics Specialist Conference (PVSC), Washington, DC, USA, 25-30 June 2017, pp. 424 - 428.

Publisher

© IEEE

Version

  • AM (Accepted Manuscript)

Acceptance date

2017-12-07

Publication date

2018

Notes

© 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.

ISBN

9781509056057

Language

  • en

Location

Washington DC, USA

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