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Pencirian Resonan Plasmon Permukaan dan Penggunaan Saput Tipis Emas sebagai Lapisan Aktif Sensor Optik

Mokhtar, Rosmiza and Moksin, Mohd Maarof and Mat Yunus, W. Mahmood (2000) Pencirian Resonan Plasmon Permukaan dan Penggunaan Saput Tipis Emas sebagai Lapisan Aktif Sensor Optik. Pertanika Journal of Science & Technology, 8 (1). pp. 31-40. ISSN 0128-7680

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Abstract

The characterizations of a surface plasmon resonance (SPR) of gold thin film at various film thickness are discussed. The measurements have been carried out for film thickness from 50.98 nm to 92.38 nm and the suitable thickness of gold film for SPR optical sensor was found as '" 50 nm which produces minimum reflectivity and sharp resonance. The potential application of the SPR as an optical sensor has been explored in measuring small percentage of ethanol in distilled water. The calibration curve was linear with the sensitivity recorded as 9 3 10.2/ (%vol. ethanol) for the concentration of ethanol in water 15%.

Item Type:Article
Keyword:data acquisition system, autotronic, draft requirement, energy requirement, crop production systems
Faculty or Institute:Faculty of Environmental Studies
Publisher:Universiti Putra Malaysia Press
ID Code:3567
Deposited By: Nur Izzati Mohd Zaki
Deposited On:30 Nov 2009 03:43
Last Modified:27 May 2013 07:09

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