Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film

Anodizing is very suitable process in formation of porous AAO thin film. By controlling the anodizing parameters such as voltage, time, temperature and acid solution during the anodizing process, a layer of AAO thin film with porous microstructure can be formed. In this study, aluminium foils were a...

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Main Author: Juyana A. Wahab
Other Authors: Norsuria Mahmed (Advisor)
Format: Learning Object
Language:English
Published: Universiti Malaysia Perlis 2008
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Online Access:http://dspace.unimap.edu.my/xmlui/handle/123456789/3371
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spelling my.unimap-33712008-11-27T08:34:59Z Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film Juyana A. Wahab Norsuria Mahmed (Advisor) Thin films Aluminum oxide Aluminum -- Anodic oxidation Metallic films Anodizing is very suitable process in formation of porous AAO thin film. By controlling the anodizing parameters such as voltage, time, temperature and acid solution during the anodizing process, a layer of AAO thin film with porous microstructure can be formed. In this study, aluminium foils were anodized in different acid solutions which are HNO3 and Re-OA-H3PO4 by varying the anodizing parameters. The anodized samples then were characterized by using SEM, EDX and XRD techniques. The results showed that higher voltages and long anodizing time resulted to the larger pores sizes. The anodizing voltage around 90 – 110 V produced the pores size in the range of 70 - 100 nm. Besides, the anodizing time around 40 minutes produced the pore size in the range of 80 – 100 nm. The increasing of acid concentration also led to the formation of Al2O3 films with lower porosity. The purpose of this research is to show how the voltage, acid solution and anodizing time influence the formation of porous AAO thin film on the aluminium foil surface. 2008-11-27T08:34:59Z 2008-11-27T08:34:59Z 2008-04 Learning Object http://hdl.handle.net/123456789/3371 en Universiti Malaysia Perlis School of Materials Engineering
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 Thin films
Aluminum oxide
Aluminum -- Anodic oxidation
Metallic films
spellingShingle Thin films
Aluminum oxide
Aluminum -- Anodic oxidation
Metallic films
Juyana A. Wahab
Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
description Anodizing is very suitable process in formation of porous AAO thin film. By controlling the anodizing parameters such as voltage, time, temperature and acid solution during the anodizing process, a layer of AAO thin film with porous microstructure can be formed. In this study, aluminium foils were anodized in different acid solutions which are HNO3 and Re-OA-H3PO4 by varying the anodizing parameters. The anodized samples then were characterized by using SEM, EDX and XRD techniques. The results showed that higher voltages and long anodizing time resulted to the larger pores sizes. The anodizing voltage around 90 – 110 V produced the pores size in the range of 70 - 100 nm. Besides, the anodizing time around 40 minutes produced the pore size in the range of 80 – 100 nm. The increasing of acid concentration also led to the formation of Al2O3 films with lower porosity. The purpose of this research is to show how the voltage, acid solution and anodizing time influence the formation of porous AAO thin film on the aluminium foil surface.
author2 Norsuria Mahmed (Advisor)
author_facet Norsuria Mahmed (Advisor)
Juyana A. Wahab
format Learning Object
author Juyana A. Wahab
author_sort Juyana A. Wahab
title Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
title_short Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
title_full Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
title_fullStr Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
title_full_unstemmed Influence of Nitric acid and RE-OA-H3PO4 acid solution on formation of porous anodic aluminium oxide (AAO) thin film
title_sort influence of nitric acid and re-oa-h3po4 acid solution on formation of porous anodic aluminium oxide (aao) thin film
publisher Universiti Malaysia Perlis
publishDate 2008
url http://dspace.unimap.edu.my/xmlui/handle/123456789/3371
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score 13.222552