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ucin1123783607.pdf (1.15 MB)
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SILICON MICROELECTRODE ARRAYS FOR IN SITU ENVIRONMENTAL MONITORING
Author Info
WEI, XINGTAO
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123783607
Abstract Details
Year and Degree
2005, MS, University of Cincinnati, Engineering : Electrical Engineering.
Abstract
Silicon microelectrode arrays for in situ environmental monitoring have been successfully developed in this work. Meniscus etching was used to sharpen these cantilevered probes. Microelectrodes with solid tips were fabricated for oxidation-reduction potential (ORP) measurements. Microelectrodes with recessed tips were fabricated for future developments of ion selective electrodes. Both microelectrode types were fully characterized with standard and reference solutions as recommended by the American Society for Testing and Materials (ASTM). The silicon microelectrodes have substantially smaller sensing areas (µm vs. cm) than their current commercial counterparts and exhibit significantly faster response times (milliseconds vs. minutes). Further, the sensors are robust due to redundant array configuration and the material strength of silicon. In the long term, we envision the use of these new sensors for field-based in situ monitoring in ground water quality and bioremediation applications.
Committee
Dr. Ian Papautsky (Advisor)
Pages
67 p.
Keywords
Microelectrode Array Environmental Monitoring Silicon MEMS ORP Electrode
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Citations
WEI, X. (2005).
SILICON MICROELECTRODE ARRAYS FOR IN SITU ENVIRONMENTAL MONITORING
[Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123783607
APA Style (7th edition)
WEI, XINGTAO.
SILICON MICROELECTRODE ARRAYS FOR IN SITU ENVIRONMENTAL MONITORING.
2005. University of Cincinnati, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123783607.
MLA Style (8th edition)
WEI, XINGTAO. "SILICON MICROELECTRODE ARRAYS FOR IN SITU ENVIRONMENTAL MONITORING." Master's thesis, University of Cincinnati, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1123783607
Chicago Manual of Style (17th edition)
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Document number:
ucin1123783607
Download Count:
1,091
Copyright Info
© 2005, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.