Yang, Li. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2009. / Includes bibliographical references (leaves 67-72). / Abstract also in Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Background and Motivation --- p.1 / Chapter 1.2 --- Objectives --- p.2 / Chapter 1.3 --- Contributions --- p.2 / Chapter 1.4 --- Organization of the Dissertation --- p.3 / Chapter 2 --- Carbon Nanotubes as Sensing Elements --- p.4 / Chapter 2.1 --- Introduction --- p.4 / Chapter 2.2 --- Introduction to Carbon Nanotubes --- p.4 / Chapter 2.3 --- Chemical Sensor Applications --- p.6 / Chapter 2.3.1 --- Semiconducting Sensors --- p.7 / Chapter 2.3.2 --- Dielectric Sensors --- p.8 / Chapter 2.3.3 --- Adsorption Based Sensors --- p.9 / Chapter 2.4 --- Dielectrophoresis of CNTs --- p.9 / Chapter 2.4.1 --- Theory and Methodology --- p.10 / Chapter 2.4.2 --- Basic CNTs Sensor Fabrication Process Using DEP Force --- p.13 / Chapter 2.4.3 --- Electronic-Grade Carbon Nanotubes --- p.13 / Chapter 2.4.4 --- Simulation --- p.14 / Chapter 2.5 --- Photodesorption Phenomenon --- p.16 / Chapter 2.5.1 --- Chemical Desorption Process Induced by UV Illumination --- p.16 / Chapter 2.6 --- Summary --- p.19 / Chapter 3 --- Design of NaOCl Sensors Based on EG-CNTs in Microfluidic System --- p.20 / Chapter 3.1 --- Introduction --- p.20 / Chapter 3.2 --- Chemical --- p.20 / Chapter 3.2.1 --- Introduction to Chemical Properties and Reactions --- p.21 / Chapter 3.2.2 --- Reagents --- p.23 / Chapter 3.3 --- Methods for Chemical Detection --- p.23 / Chapter 3.3.1 --- Hypochlorite Detection --- p.23 / Chapter 3.3.2 --- Chlorine Gas Detection --- p.24 / Chapter 3.4 --- Design and Fabrication --- p.26 / Chapter 3.4.1 --- Sodium Hypochlorite Sensor Using Microfluidic System --- p.26 / Chapter 3.4.2 --- Modified Design For Indirect Detection to Chlorine Gas --- p.29 / Chapter 3.5 --- Equipments --- p.30 / Chapter 3.5.1 --- Source Meter --- p.30 / Chapter 3.5.2 --- Pneumatic Pump --- p.31 / Chapter 3.5.3 --- UV Illumination Devices --- p.31 / Chapter 3.5.4 --- Experimental Setup --- p.32 / Chapter 3.6 --- Summary --- p.34 / Chapter 4 --- Results --- p.35 / Chapter 4.1 --- Introduction --- p.35 / Chapter 4.2 --- Processes of the Experiments --- p.35 / Chapter 4.2.1 --- Response to Static Solution --- p.35 / Chapter 4.2.2 --- Response to Fluid Flow --- p.36 / Chapter 4.2.3 --- Response to Gas --- p.36 / Chapter 4.3 --- Noise and Accuracy --- p.37 / Chapter 4.4 --- I-V Characteristics --- p.38 / Chapter 4.4.1 --- EG-CNTs Sensor --- p.38 / Chapter 4.4.2 --- Variation Under UV Illumination --- p.39 / Chapter 4.5 --- Responses to Sodium Hypochlorite Solution --- p.41 / Chapter 4.5.1 --- Typical Responses --- p.41 / Chapter 4.5.2 --- Selectivity --- p.44 / Chapter 4.5.3 --- Sensitivity --- p.45 / Chapter 4.5.4 --- Effect of Injection Flow Rate on Sensor Performance --- p.50 / Chapter 4.5.5 --- Effect of Volume on Sensor Performance --- p.51 / Chapter 4.5.6 --- Continuous Detection --- p.54 / Chapter 4.5.7 --- Operating Power Limit --- p.57 / Chapter 4.6 --- Response to Chlorine Gas by Modified Design --- p.59 / Chapter 4.7 --- Desorption Induced by UV Illumination --- p.60 / Chapter 4.8 --- Summary --- p.63 / Chapter 5 --- Conclusion --- p.64 / Chapter 5.1 --- Future Work --- p.65 / Chapter 5.1.1 --- Selectivity --- p.65 / Chapter 5.1.2 --- Gaseous Chlorine Detection --- p.66 / Chapter 5.1.3 --- UV-LED Induced Desorption --- p.66 / Chapter 5.2 --- Concluding Remarks --- p.66 / Bibliography --- p.67
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_326724 |
| Date | January 2009 |
| Contributors | Yang, Li., Chinese University of Hong Kong Graduate School. Division of Mechanical and Automation Engineering. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, x, 73 leaves : ill. (some col.) ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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