NDLI: Spherical silicon solar cells fabricated by high speed dropping method

Content Provider	IEEE Xplore Digital Library
Author	Minemoto, T. Akashi, Y. Okamoto, C. Omae, S. Yamaguchi, Y. Murozono, M. Takakura, H. Hamakawa, Y.
Copyright Year	2005
Description	Author affiliation: Fac. of Sci. & Eng., Ritsumeikan Univ., Shiga, Japan (Minemoto, T.)
Abstract	A spherical Si solar cell with semi-concentration system has been successfully fabricated based on a Si sphere fabricated by a high speed dropping method. The Si sphere is multicrystalline and typically shows the etch pit density of around 10/sup 5/ cm/sup 2/ with spatial distribution. Our baseline process (not fully optimized yet) have produced the spherical Si solar cell with 10.4% efficiency. Quantum efficiency and laser beam induced current measurements revealed that an optimization in the optical design of the cell and the quality improvement of spherical Si crystals are needed for further high efficiency.
Sponsorship	IEEE Electron Devices Soc. (USA)
Starting Page	963
Ending Page	966
File Size	672098
Page Count	4
File Format	PDF
ISBN	0780387074
ISSN	01608371
DOI	10.1109/PVSC.2005.1488292
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	Silicon Photovoltaic cells Etching Poles and towers Current measurement Crystalline materials Crystallization Optical device fabrication Voltage Costs
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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