A Stable Ytterbium-Insulator-Semiconductor Solar Cell Based on an Interface Degradation Model

G. Rajeswaran; V. J. Rao; M. A. Jackson; M. Thayer; W. A. Anderson; B. Bhasker Rao

doi:10.1109/T-ED.1983.21457

A Stable Ytterbium-Insulator-Semiconductor Solar Cell Based on an Interface Degradation Model

G. Rajeswaran
, V. J. Rao
, M. A. Jackson
, M. Thayer
, W. A. Anderson
, B. Bhasker Rao

Department of Electrical Engineering

SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

A comprehensive analysis of shelf life degradation in metal-insulator-semiconductor (MIS) solar cells has been performed. The instabilities associated with Cr-MIS solar cells result from a decrease in the insulator thickness. On modeling Schottky-barrier formation against oxide thickness variations, one finds that there is a range of oxide thicknesses which permit photocurrent collection and also give rise to stable MIS structures. This is specially true for low work function (ϕM) metals. Ytterbium (ϕM = 2.6) was a good candidate because of its excellent thin-film optical properties and its compatibility to MIS processing. Yb-MIS solar cells have proved to be very stable and obey the stability trends predicted by our model. In addition, Yb-MIS solar cells result in competitive photovoltaic conversion efficiencies (> 11.5 percent at AMI illumination).

Original language	English
Pages (from-to)	1840-1842
Number of pages	3
Journal	IEEE Transactions on Electron Devices
Volume	30
Issue number	12
DOIs	https://doi.org/10.1109/T-ED.1983.21457
State	Published - Dec 1983

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title = "A Stable Ytterbium-Insulator-Semiconductor Solar Cell Based on an Interface Degradation Model",

abstract = "A comprehensive analysis of shelf life degradation in metal-insulator-semiconductor (MIS) solar cells has been performed. The instabilities associated with Cr-MIS solar cells result from a decrease in the insulator thickness. On modeling Schottky-barrier formation against oxide thickness variations, one finds that there is a range of oxide thicknesses which permit photocurrent collection and also give rise to stable MIS structures. This is specially true for low work function (ϕM) metals. Ytterbium (ϕM = 2.6) was a good candidate because of its excellent thin-film optical properties and its compatibility to MIS processing. Yb-MIS solar cells have proved to be very stable and obey the stability trends predicted by our model. In addition, Yb-MIS solar cells result in competitive photovoltaic conversion efficiencies (> 11.5 percent at AMI illumination).",

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AU - Rajeswaran, G.

AU - Rao, V. J.

AU - Jackson, M. A.

AU - Thayer, M.

AU - Anderson, W. A.

AU - Rao, B. Bhasker

PY - 1983/12

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N2 - A comprehensive analysis of shelf life degradation in metal-insulator-semiconductor (MIS) solar cells has been performed. The instabilities associated with Cr-MIS solar cells result from a decrease in the insulator thickness. On modeling Schottky-barrier formation against oxide thickness variations, one finds that there is a range of oxide thicknesses which permit photocurrent collection and also give rise to stable MIS structures. This is specially true for low work function (ϕM) metals. Ytterbium (ϕM = 2.6) was a good candidate because of its excellent thin-film optical properties and its compatibility to MIS processing. Yb-MIS solar cells have proved to be very stable and obey the stability trends predicted by our model. In addition, Yb-MIS solar cells result in competitive photovoltaic conversion efficiencies (> 11.5 percent at AMI illumination).

AB - A comprehensive analysis of shelf life degradation in metal-insulator-semiconductor (MIS) solar cells has been performed. The instabilities associated with Cr-MIS solar cells result from a decrease in the insulator thickness. On modeling Schottky-barrier formation against oxide thickness variations, one finds that there is a range of oxide thicknesses which permit photocurrent collection and also give rise to stable MIS structures. This is specially true for low work function (ϕM) metals. Ytterbium (ϕM = 2.6) was a good candidate because of its excellent thin-film optical properties and its compatibility to MIS processing. Yb-MIS solar cells have proved to be very stable and obey the stability trends predicted by our model. In addition, Yb-MIS solar cells result in competitive photovoltaic conversion efficiencies (> 11.5 percent at AMI illumination).

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ER -

A Stable Ytterbium-Insulator-Semiconductor Solar Cell Based on an Interface Degradation Model

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