Title: | Modeling of ZnO nanorods for evanescent field optical sensors | Authors: | Börner, Sandra Rüter, Christian E. Voss, Tobias Kip, Detlef Schade, Wolfgang |
Language: | eng | Issue Date: | Oct-2007 | Publisher: | Wiley-VCH | Document Type: | Article | Journal / Series / Working Paper (HSU): | Physica status solidi : pss. A, Applications and materials science | Volume: | 204 | Issue: | 10 | Page Start: | 3487 | Page End: | 3495 | Publisher Place: | Berlin | Abstract: | The optical wave guiding properties of ZnO nanorods are simulated and studied in detail using a blockiterative frequency-domain method and the results of a finite difference method as reference data. The simulations are performed for different wavelengths in the infrared spectral region that are related to specific gas absorption lines. Here both single ZnO nanorods and nanorod arrays with varying period lengths are investigated. The evanescent field distributions and penetration depths into the surrounding media are analyzed and compared as a function of wavelength and rod diameter. Our results give a general overview on the size range where ZnO nanorods may be used for evanescent field interaction based sensors for the detection of gas molecules like CO, CO 2 or O 2. © 2007 WILEY-VCH Verlag GmbH & Co. KGaA. |
Organization Units (connected with the publication): | Technische Universität Clausthal | ISSN: | 1862-6319 1862-6300 |
Publisher DOI: | 10.1002/pssa.200723137 |
Appears in Collections: | 6 - Publication references (without fulltext) of your publications before HSU |
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