Document Detail

Strong Light Absorption of Self-Organized 3-D Nanospike Arrays for Photovoltaic Applications.
MedLine Citation:
PMID:  22017229     Owner:  NLM     Status:  Publisher    
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.
Rui Yu; Kwong-Lung Ching; Qingfeng Lin; Siu-Fung Leung; Diaz Arcrossito; Zhiyong Fan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-23
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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