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Chemical Reviews最新综述：基于传感器应用的二氧化钛纳米材料 已有3人参与
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Titanium Dioxide Nanomaterials for Sensor Applications 共46页 引文457篇 Jing Bai and Baoxue Zhou* School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, People ’ s Republic of China DOI: 10.1021/cr400625j Publication Date (Web): June 12, 2014 Corresponding Author：* E-mail: zhoubaoxue@sjtu.edu.cn. CONTENTS 1. Introduction A 1.1. Sensing Properties of Titanium Oxide B 1.2. Sensing Electrode of TiO 2 Nanomaterials D 1.2.1. Synthesis of TiO 2 Nanomaterials D 1.2.2. TiO 2 Electrode E 1.3. Sensing Processes E 2. Typical TiO 2 Sensors F 2.1. Gas Sensor F 2.2. COD Sensor G 2.3. Biosensor G 3. Sensor Applications H 3.1. Gas Sensor H 3.1.1. Measurement Principle H 3.1.2. Hydrogen (H 2 ) Sensor H 3.1.3. Oxygen (O 2 ) Sensor L 3.1.4. Humidity (H 2 O) Sensor N 3.1.5. Carbon Monoxide (CO) Sensor O 3.1.6. Volatile Organic Compounds (VOCs) Sensor R 3.1.7. Sensor for Other Gases S 3.1.8. Brief Summary T 3.2. COD Sensor U 3.2.1. Measurement Principle U 3.2.2. TiO 2 -Based Photocatalytic COD Sensor W 3.2.3. Photoelectrocatalytic-Based TiO 2 COD Sensor W 3.2.4. Online TiO 2 COD Sensor X 3.2.5. Brief Summary Z 3.3. Biosensor Z 3.3.1. Measurement Principle Z 3.3.2. Amperometric TiO 2 Biosensor AB 3.3.3. TiO 2 Potentiometric Biosensor AH 3.3.4. TiO 2 Optical Biosensor AH 3.3.5. Other TiO 2 Biosensor AL 3.3.6. Brief Summary AL 4. Summary and Future Prospects AM Author Information AM Corresponding Author AM Notes AM Biographies AM Acknowledgments AN References AN Sensors have currently become increasingly important in a world where technological advances demand precise information of numerous categories.They have been widely applied in fi elds such as industrial manufacturing, aerospace, ocean exploring, environmental protection, resources investigation, medical diagnosis, and bioengineering. Sensors can be made from various materials depending on the purposes they serve. High sensitivity, fast response, and good selectivity are the general requirements for a good sensor. For large-scale application, low material cost and easy fabrication are also required. With dramatic advances in nanotechnology, great progress has been made in recent years thanks to the newly developed nanomaterials for sensor application. Because of the inherent properties of nanomaterials, for example, super small size, and large surface −volume ratio, they can remarkably improve the sensitivity of the sensors as compared to traditional materials. By judiciously decorating the nanoparticle surface composition, unique target binding characters can be achieved to great selectivity. Furthermore, the robustness of nano semiconductor made it highly sustainable in various detection environments. As one type of semiconductor, TiO 2 has received wide attention ever since 1972 when Fujishima and Honda discovered photocatalytical splitting of water on a TiO 2 electrode under ultraviolet (UV) light. Over the past decades, TiO 2 has found applications in many promising areas ranging from photovoltaics, photocatalysis, to sensors.Besides the aforementioned inherent advantages of nanomaterials, nano TiO 2 materials are also nontoxic, biocompatible, photo-corrosion free, and cost-e ff ective. In addition, the availability of a variety of nanostructures enables them to achieve extraordinary large surface area, as well as unique chemical, physical, and electronic properties.TiO 2 nanomaterials can be prepared in large-scale at mild temperatures and condition, which facilitates low-cost fabrication. Therefore, tremendous interest has been shown in studies of TiO 2 nanomaterial structures, their transduction principle, and system simulation functions for sensor applications.  |
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