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Kumar et al., 2012 - Google Patents

Ultrafast laser direct hard-mask writing for high performance inverted-pyramidal texturing of silicon

Kumar et al., 2012

Document ID
9166068618909269680
Author
Kumar K
Lee K
Nogami J
Herman P
Kherani N
Publication year
Publication venue
2012 38th IEEE Photovoltaic Specialists Conference

External Links

Snippet

We demonstrate a simple and versatile laser assisted technique to produce an inverted pyramid texture in monocrystalline silicon to reduce surface reflectance. With this method the inverted pyramid size, distribution, spacing, and hence the spectral reflection of the textured …
Continue reading at ieeexplore.ieee.org (other versions)

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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GASES [GHG] EMISSION, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/54—Material technologies
    • Y02E10/547—Monocrystalline silicon PV cells
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    • H01L31/04—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
    • H01L31/046—PV modules composed of a plurality of thin film solar cells deposited on the same substrate
    • H01L31/0463—PV modules composed of a plurality of thin film solar cells deposited on the same substrate characterised by special patterning methods to connect the PV cells in a module, e.g. laser cutting of the conductive or active layers
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    • H01L31/068—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
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    • H01L31/0256—Semiconductor devices sensitive to infra-red radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus peculiar to the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
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    • H01L31/18—Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804—Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic System
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    • H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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