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Role of micro and nanostructures in enhancing near IR optical absorption in Silicon

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Main Authors: Cheow Siu, Leong, Ayu Wazira, Azhari, Kamaruzzaman, Sopian, Saleem Hussain, Zaidi
Other Authors: ayuwazira@unimap.edu.my
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers Inc. 2016
Subjects:
IR transmission
Light trapping
Randomly textured micro and nanostructures
Solar cells
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41176
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spelling my.unimap-411762016-03-22T01:36:49Z Role of micro and nanostructures in enhancing near IR optical absorption in Silicon Cheow Siu, Leong Ayu Wazira, Azhari Kamaruzzaman, Sopian Saleem Hussain, Zaidi ayuwazira@unimap.edu.my IR transmission Light trapping Randomly textured micro and nanostructures Solar cells Link to publisher's homepage at http://ieeexplore.ieee.org Role of micro and nanostructures in enhancing IR transmission in Si wafers has been investigated. Based on feature dimensions, incident light interaction can be described in terms of: (a) geometrical optics for wavelengths significantly smaller than surface dimensions, (b) diffractive optics for wavelengths comparable to surface features, and (c) physical optics for wavelengths substantially larger than surface features. Randomly distributed features in micro and nanoscale regimes were fabricated on identical Si wafers. A simple IR optical transmission system based on InGaAs photodetector and monochromator was developed for optical measurements. Optical transmission near the bandgap was substantially reduced by randomly distributed nanostructures likely attributed to diffractive optics. At the conference, details of several structures along with their reflection and transmission measurements will be presented in order to determine optimum surfaces for lowest transmission near the bandgap. 2016-03-22T01:34:29Z 2016-03-22T01:34:29Z 2014-10-15 Article 2014 IEEE 40th Photovoltaic Specialist Conference, PVSC 2014 978-147994398-2 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41176 10.1109/PVSC.2014.6925133 en Photovoltaic Specialist Conference; Institute of Electrical and Electronics Engineers Inc.
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic IR transmission
Light trapping
Randomly textured micro and nanostructures
Solar cells
spellingShingle IR transmission
Light trapping
Randomly textured micro and nanostructures
Solar cells
Cheow Siu, Leong
Ayu Wazira, Azhari
Kamaruzzaman, Sopian
Saleem Hussain, Zaidi
Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
description Link to publisher's homepage at http://ieeexplore.ieee.org
author2 ayuwazira@unimap.edu.my
author_facet ayuwazira@unimap.edu.my
Cheow Siu, Leong
Ayu Wazira, Azhari
Kamaruzzaman, Sopian
Saleem Hussain, Zaidi
format Article
author Cheow Siu, Leong
Ayu Wazira, Azhari
Kamaruzzaman, Sopian
Saleem Hussain, Zaidi
author_sort Cheow Siu, Leong
title Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
title_short Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
title_full Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
title_fullStr Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
title_full_unstemmed Role of micro and nanostructures in enhancing near IR optical absorption in Silicon
title_sort role of micro and nanostructures in enhancing near ir optical absorption in silicon
publisher Institute of Electrical and Electronics Engineers Inc.
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41176
_version_ 1643799613368434688
score 13.222552

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