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Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman

Porous silicon (PS) is a form of chemical element silicon which has introduced nano-porous holes in its microstructure, have large surface to volume. PS composed of highly interconnection matrix of nanometer size silicon crytals and the pores structure of silicon are etched into the substrate in siz...

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Main Author: Othman, Nor Ashiken
Format: Student Project
Language:English
Published: 2013
Subjects:
Electric current (General)
Online Access:http://ir.uitm.edu.my/id/eprint/45704/1/45704.pdf
http://ir.uitm.edu.my/id/eprint/45704/
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spelling my.uitm.ir.457042021-04-23T07:33:12Z http://ir.uitm.edu.my/id/eprint/45704/ Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman Othman, Nor Ashiken Electric current (General) Porous silicon (PS) is a form of chemical element silicon which has introduced nano-porous holes in its microstructure, have large surface to volume. PS composed of highly interconnection matrix of nanometer size silicon crytals and the pores structure of silicon are etched into the substrate in size of nano to micro meter produced by anodization, chemical stain etching, drying porous silicon and other method. The electrochemical etching process that used in the research is to prepare samples of porous silicon (PS). Five samples are prepared. One of the sample use as a reference sample. The four PS doped with copper(Cu) using immersion process. The all samples are characterized by using Photoluminescence (PL) Spectroscopy and Atomic Force Microscopy (AFM). From the PL spectroscopy result, the reference sample(undoped) is higher intensity than the doped sample. Between the four samples are doped with Cu, one of the sample is higher at 0.025% and the lowest sample at the 0.020%. Additional, from the result AFM show that the grain size sample at 0.025% is small between the grain size at 0.020% is high. As a conclusion, the wavelength the PS doped with Cu have a red luminescence between 650-680nm. So when doped with the Cu give the best wavelength. 2013 Student Project NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/45704/1/45704.pdf Othman, Nor Ashiken (2013) Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman. [Student Project] (Unpublished)
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
topic Electric current (General)
spellingShingle Electric current (General)
Othman, Nor Ashiken
Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
description Porous silicon (PS) is a form of chemical element silicon which has introduced nano-porous holes in its microstructure, have large surface to volume. PS composed of highly interconnection matrix of nanometer size silicon crytals and the pores structure of silicon are etched into the substrate in size of nano to micro meter produced by anodization, chemical stain etching, drying porous silicon and other method. The electrochemical etching process that used in the research is to prepare samples of porous silicon (PS). Five samples are prepared. One of the sample use as a reference sample. The four PS doped with copper(Cu) using immersion process. The all samples are characterized by using Photoluminescence (PL) Spectroscopy and Atomic Force Microscopy (AFM). From the PL spectroscopy result, the reference sample(undoped) is higher intensity than the doped sample. Between the four samples are doped with Cu, one of the sample is higher at 0.025% and the lowest sample at the 0.020%. Additional, from the result AFM show that the grain size sample at 0.025% is small between the grain size at 0.020% is high. As a conclusion, the wavelength the PS doped with Cu have a red luminescence between 650-680nm. So when doped with the Cu give the best wavelength.
format Student Project
author Othman, Nor Ashiken
author_facet Othman, Nor Ashiken
author_sort Othman, Nor Ashiken
title Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
title_short Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
title_full Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
title_fullStr Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
title_full_unstemmed Photoluminescence study of porous silicones) doped with copper(Cu) / Nor Ashiken Othman
title_sort photoluminescence study of porous silicones) doped with copper(cu) / nor ashiken othman
publishDate 2013
url http://ir.uitm.edu.my/id/eprint/45704/1/45704.pdf
http://ir.uitm.edu.my/id/eprint/45704/
_version_ 1698700335029157888
score 13.211869

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