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  Optical Properties of Individual Silicon Nanowires for Photonic Devices

Broenstrup, G., Jahr, N., Leiterer, C., Csaki, A., Fritzsche, W., & Christiansen, S. (2010). Optical Properties of Individual Silicon Nanowires for Photonic Devices. ACS NANO, 4(12), 7113-7122. doi:10.1021/nn101076t.

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 Creators:
Broenstrup, Gerald1, Author           
Jahr, Norbert2, Author
Leiterer, Christian2, Author
Csaki, Andrea2, Author
Fritzsche, Wolfgang2, Author
Christiansen, Silke1, 3, Author           
Affiliations:
1Micro- & Nanostructuring, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364725              
2external, ou_persistent22              
3Christiansen Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364716              

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Free keywords: SOLAR-CELLS; ABSORPTION; CDSE; PARAMETERS; GROWTH; SIChemistry; Science & Technology - Other Topics; Materials Science; silicon; nanowire; optics; individual spectra; scattering; absorption; Mie;
 Abstract: Silicon is a high refractive index material. Consequently, silicon nanowires (SiNWs) with diameters on the order of the wavelengths of visible light show strong resonant field enhancement of the incident light, so this type of nanomaterial is a good candidate for all kinds of photonic devices. Surprisingly enough, a thorough experimental and theoretical analysis of both the polarization dependence of the absorption and the scattering behavior of individual SiNWs under defined illumination has not been presented yet. Here, the present paper will contribute by showing optical properties such as scattering and absorption of individual SiNWs experimentally in an optical microscope using bright- and dark-field illumination modes as well as in analytical Mie calculations. Experimental and calculation results are in good agreement, and both reveal a strong correlation of the optical properties of individual SINWs to their diameters. This finding supports the notion that SiNWs can be used in photonic applications such as for photovoltaics or optical sensors.

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Language(s): eng - English
 Dates: 2010
 Publication Status: Issued
 Pages: 10
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000285449100011
DOI: 10.1021/nn101076t
 Degree: -

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Title: ACS NANO
Source Genre: Journal
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Publ. Info: 1155 16TH ST, NW, WASHINGTON, DC 20036 USA : AMER CHEMICAL SOC
Pages: - Volume / Issue: 4 (12) Sequence Number: - Start / End Page: 7113 - 7122 Identifier: ISSN: 1936-0851