NDLI: Solution-based n-type doping in CuO and its implications for $3^{rd}-generation$ cells

Content Provider	IEEE Xplore Digital Library
Author	Han, X. Tao, M.
Copyright Year	2009
Description	Author affiliation: Departments of Materials Science and Engineering and Electrical Engineering, University of Texas at Arlington, 76019, USA (Han, X.; Tao, M.)
Abstract	CuO is naturally p-type, which has prevented an efficient CuO solar cell. N-type doping of CuO is demonstrated during electrodeposition of CuO by adding a Cl precursor to the aqueous solution. Current-voltage characterization reveals that the resistivity of undoped CuO by electrodeposition is ∼40 MΩ-cm, while that of Cl-doped CuO is significantly reduced to as low as ∼7Ω-cm. X-ray diffraction confirms that the films are pure CuO. Photocurrent measurements verify that Cl-doped CuO is n-type. The solution-based doping method is particularly suitable for low-cost, large-area and high-throughput fabrication of solar cells. In addition, since the doping method substitutes chalcogen with halogen by co-precipitation of halide with chalcogenide, it is in principle universal for n-type doping in other solution-prepared chalcogenides. Several $3^{rd}-generation$ concepts are enabled by the doping method through solution-prepared chalcogenide nanowires, including radial p-n junctions for enhanced charge separation in organic/inorganic hybrid cells and 3-dimensional p-n junctions for decoupling of photon absorption and charge separation in solar cells.
Starting Page	002086
Ending Page	002089
File Size	3178329
Page Count	4
File Format	PDF
ISBN	9781424429493
ISSN	01608371
DOI	10.1109/PVSC.2009.5411437
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Doping Photovoltaic cells P-n junctions Conductivity Fabrication Materials science and technology X-ray diffraction Photoconductivity Nanowires Absorption
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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