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Photoemission studies on undoped SnO₂ buffer layers for CdTe thin film solar cells

Fuchs, Anne ; Schimper, Hermann Josef ; Klein, Andreas ; Jaegermann, Wolfram (2021):
Photoemission studies on undoped SnO₂ buffer layers for CdTe thin film solar cells. (Publisher's Version)
In: Energy Procedia, 10, pp. 149-154. Elsevier, ISSN 1876-6102,
DOI: 10.26083/tuprints-00019779,
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Item Type: Article
Origin: Secondary publication service
Status: Publisher's Version
Title: Photoemission studies on undoped SnO₂ buffer layers for CdTe thin film solar cells
Language: English
Abstract:

Intermediate highly resistive layers of transparent undoped oxide materials are known to improve the characteristics of thin film solar cells, as observed for SnO₂ used in CdTe solar cells with reduced CdS layer thickness. Comparative photoemission spectroscopy studies were carried out on commercial undoped and fluorine doped SnO₂ prepared by spray-pyrolysis, revealing that the Fermi level positions of the surfaces of both commercial samples are identical and degenerate. The commercial SnO₂ was compared to SnO₂ prepared by RF magnetron sputtering under different oxidation conditions. The sputtered samples were only weakly n-doped. Additionally, the influence of different sample treatments was investigated.

Journal or Publication Title: Energy Procedia
Journal volume: 10
Publisher: Elsevier
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Surface Science
Date Deposited: 27 Oct 2021 11:34
Last Modified: 27 Oct 2021 11:35
DOI: 10.26083/tuprints-00019779
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-197795
Additional Information:

Keywords: Buffer layer; CdTe solar cells; TCO; SnO2; Tin dioxide; FTO; XPS; RF magnetron sputtering; HRT layer

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/19779
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