NDLI: High efficiency 1 micron thick sputtered CdTe solar cells

Content Provider	IEEE Xplore Digital Library
Author	Gupta, A. Compaan, A.D.
Copyright Year	2005
Description	Author affiliation: Dept. of Phys. & Astron., Toledo Univ., OH, USA (Gupta, A.; Compaan, A.D.)
Abstract	Large scale (gigawatts/yr) manufacturing of CdTe PV modules may be constrained due to the limited availability of the relatively rare (Te) element and the volume of potentially hazardous (Cd) material being used in 3-8 /spl mu/m thick CdTe absorber layer. This work is focused on cells with much thinner CdTe layers. Magnetron sputtering was used to prepare a series of CdS/CdTe cells with CdTe thickness from 0.5 to 1.28 /spl mu/m. Optimization of the post-deposition CdCl/sub 2/ treatment and back contact processing for the thinner layers improves the efficiency to very close to thicker CdTe cells. An efficiency of 11.8% has been achieved using only 0.87 /spl mu/m of CdTe. This cell showed V/sub OC/ of 772 mV, J/sub SC/ of 21.98 mA/cm/sup 2/ and FF of 69.7%.
Sponsorship	IEEE Electron Devices Soc. (USA)
Starting Page	235
Ending Page	238
File Size	542623
Page Count	4
File Format	PDF
ISBN	0780387074
ISSN	01608371
DOI	10.1109/PVSC.2005.1488112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Photovoltaic cells Absorption Manufacturing Photonic band gap Glass X-ray scattering Physics Astronomy Large-scale systems Tellurium
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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