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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Zhuxin Dong Wejinya, U.C. Haibo Yu Elhajj, I.H. |
| Copyright Year | 2009 |
| Description | Author affiliation: Department of Electrical and Computer Engineering, American University of Beirut, Lebanon (Elhajj, I.H.) || Department of Mechanical Engineering, University of Arkansas, Fayetteville, 72701 USA (Zhuxin Dong; Wejinya, U.C.) || Shenyang Institute of Automation, Chinese Academy of Sciences, Liaoning, China (Haibo Yu) |
| Abstract | In recent years, there has been increasing interest in monitoring and controlling of pH. It has become an important aspect of many industrial wastewater treatment processes. At the same time, the demand for smaller electronic devices used for various industrial and commercial applications has greatly increased. Micro and nano materials, such as Carbon Nanotubes (CNTs), are known for their excellent electrical and mechanical properties, as well as for their small size, therefore they are good candidates to manufacture micro or nano electronic devices. These devices can be used for pH control. However, this cannot be achieved unless CNTs with metallic or semiconducting band structures can be successfully deposited and separated. In these processes, microchip fabrication and deposition of CNTs using Dielectrophoresis (DEP) are involved. Comparing with some traditional pH sensors, which mainly consist of Ion-Sensitive Field Effect Transistor (ISFET), signal operational amplifier and Analog Digital Convert (ADC), Nano pH sensor with CNTs may provide more benefits owing to their unique properties. For example, 70–80% of multi-walled CNTs (MWCNTs) are metallic and have high current density, which means this kind of micro device has a linear relationship of I–V characteristic and can produce signal strong enough to make operational amplifying circuits unnecessary. In addition, to manufacture smaller devices more functional becomes possible as CNTs are tiny and compact. |
| Starting Page | 1556 |
| Ending Page | 1561 |
| File Size | 1028238 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424428526 |
| DOI | 10.1109/AIM.2009.5229844 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-07-14 |
| Publisher Place | Singapore |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Fabrication Testing Monitoring Wastewater treatment Industrial electronics Electronics industry Manufacturing industries Organic materials Carbon nanotubes Mechanical factors |
| Content Type | Text |
| Resource Type | Article |
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