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Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs

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Bibliographic Details
Main Authors: Ahmed N. Abd, Nadir F. Habubi, Ali H. Reshak, Hazim L. Mansour
Other Authors: nadirfadhil@uomustansiriyah.edu.iq
Format: Article
Language:English
Published: Universiti Malaysia Perlis (UniMAP) 2018
Subjects:
MWCNTs
Electrical Properties
Photodetector
Porous Silicon (PSi)
Electrochemical Etching (ECE)
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/57572
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spelling my.unimap-575722018-12-08T04:47:26Z Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs Ahmed N. Abd Nadir F. Habubi Ali H. Reshak Hazim L. Mansour nadirfadhil@uomustansiriyah.edu.iq MWCNTs Electrical Properties Photodetector Porous Silicon (PSi) Electrochemical Etching (ECE) Link to publisher's homepage at http://ijneam.unimap.edu.my In the present work, multiwall carbon nanotubes (MWCNTs) layers dispersed in DMF and citric acid deposited by drop casting on porous silicon (PSi) photodetector have been prepared by electrochemical etching (ECE) process at 25 mA/cm2 for 20 min. X-ray diffraction (XRD), atomic force microscopy (AFM), Fourier transformation infrared spectroscopy (FTIR), energy dispersive X-ray (EDX), current–voltage (I-V) characteristics, capacitance-voltage(C-V) characteristics, spectral responsivity (Rλ) and specific detectivity (D*) before and after depositing MWCNTs layers were investigated. It was found that, the On/Off ratio was increased after depositing MWCNTs, while ideality factor and built in potential were decreased and this fact indicates that Al/PSi/c-Si/Al photodetector was nearly approaching the ideal diode characteristic after deposition process. Significant enhancement in spectral responsivity and specific detectivity were also noticed after depositing MWCNTs on porous matrix. 2018-12-08T04:47:26Z 2018-12-08T04:47:26Z 2018-07 Article International Journal of Nanoelectronics and Materials, vol.11(3), 2018, pages 241-248 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/57572 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP)
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 MWCNTs
Electrical Properties
Photodetector
Porous Silicon (PSi)
Electrochemical Etching (ECE)
spellingShingle MWCNTs
Electrical Properties
Photodetector
Porous Silicon (PSi)
Electrochemical Etching (ECE)
Ahmed N. Abd
Nadir F. Habubi
Ali H. Reshak
Hazim L. Mansour
Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
description Link to publisher's homepage at http://ijneam.unimap.edu.my
author2 nadirfadhil@uomustansiriyah.edu.iq
author_facet nadirfadhil@uomustansiriyah.edu.iq
Ahmed N. Abd
Nadir F. Habubi
Ali H. Reshak
Hazim L. Mansour
format Article
author Ahmed N. Abd
Nadir F. Habubi
Ali H. Reshak
Hazim L. Mansour
author_sort Ahmed N. Abd
title Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
title_short Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
title_full Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
title_fullStr Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
title_full_unstemmed Enhancing the Electrical Properties of Porous Silicon Photodetector by Depositing MWCNTs
title_sort enhancing the electrical properties of porous silicon photodetector by depositing mwcnts
publisher Universiti Malaysia Perlis (UniMAP)
publishDate 2018
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/57572
_version_ 1643805354445766656
score 13.159267

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