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Proceedings Paper

Investigations on adsorption-dependent optical thickness changes of molecular sieve zeolite thin films for chemical sensor development
Author(s): Juan Hui; Liangxiong Li; Jian Zhang; Ming Luo; Junhang Dong; Hai Xiao
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Paper Abstract

Molecular sieve zeolites are capable of selectively adsorbing molecular species into their nanoporous structures. Using whitelight interferometry, the changes in optical thickness of b-oriented MFI zeolite thin films have been measured as a function of organic vapor partial pressure in the surrounding environment. The adsorption induced optical thickness changes of the oriented MFI zeolite films were found to be reversible and monotonically dependent on the organic concentration level. The quantitative results of this study are useful for designing optical fiber-based chemical sensors for in-situ detections.

Paper Details

Date Published: 17 November 2005
PDF: 8 pages
Proc. SPIE 6008, Nanosensing: Materials and Devices II, 60081H (17 November 2005); doi: 10.1117/12.630184
Show Author Affiliations
Juan Hui, New Mexico Institute of Mining and Technology (United States)
Liangxiong Li, New Mexico Institute of Mining and Technology (United States)
Jian Zhang, New Mexico Institute of Mining and Technology (United States)
Ming Luo, New Mexico Institute of Mining and Technology (United States)
Junhang Dong, New Mexico Institute of Mining and Technology (United States)
Hai Xiao, New Mexico Institute of Mining and Technology (United States)


Published in SPIE Proceedings Vol. 6008:
Nanosensing: Materials and Devices II
M. Saif Islam; Achyut K. Dutta, Editor(s)

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