| Strong Light Absorption of Self-Organized 3-D Nanospike Arrays for Photovoltaic Applications. | |
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MedLine Citation:
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PMID: 22017229 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Three-dimensional (3-D) nanostructures have been widely explored for efficient light trapping, however, many of the nanostructure fabrication processes reported have high cost and/or limited scalability. In this work, self-organized 3-D Al nanospike arrays were successfully fabricated on thin Al foils with controlled nanospike geometry, i.e. height, pitch. Thereafter, photovoltaic materials of a-Si and CdTe thin films were conformally deposited on the nanospikes structures thus forming 3-D nanostructures with strong light absorption over a broad wavelength range and photon incident angle. Specifically, 100 nm-thick CdTe film on nanospikes showed 97% peak absorption, and up to 95% day-integrated sunlight absorption. These results indicate that self-organized 3-D Al nanospike arrays can serve as light weight and low cost substrates for cost-effective thin film photovoltaics. |
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Authors:
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Rui Yu; Kwong-Lung Ching; Qingfeng Lin; Siu-Fung Leung; Diaz Arcrossito; Zhiyong Fan |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-23 |
Journal Detail:
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Title: ACS nano Volume: - ISSN: 1936-086X ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101313589 Medline TA: ACS Nano Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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