| Abstract | 第3-4页 |
| 摘要 | 第5-10页 |
| Chapter 1 Introduction | 第10-29页 |
| 1.1 Background of thesis research | 第10-15页 |
| 1.1.1 Tillandsia | 第10页 |
| 1.1.2 Structure of Tillandsia (including outer and inner) | 第10-14页 |
| 1.1.3 Tillandsia as a biomonitor | 第14-15页 |
| 1.2 Gas sensor | 第15-24页 |
| 1.2.1 Overview of gas sensors | 第15-17页 |
| 1.2.2 Application of metal oxide in gas sensors | 第17-21页 |
| 1.2.3 Interaction between sensor and gas | 第21页 |
| 1.2.4 Application of gas sensors in different fields | 第21-24页 |
| 1.3 TiO_2 | 第24-27页 |
| 1.3.1 Overview of TiO_2 | 第24-25页 |
| 1.3.2 TiO_2 application | 第25-26页 |
| 1.3.3 Doping TiO_2 | 第26页 |
| 1.3.4 Loading noble metal inside TiO_2 | 第26-27页 |
| 1.4 The main research contents and objectives | 第27-29页 |
| Chapter 2 Materials and Methods | 第29-35页 |
| 2.1 Materials | 第29-32页 |
| 2.1.1 Tillandsia preparation | 第29页 |
| 2.1.2 Metal oxide preparation | 第29-30页 |
| 2.1.3 Metal oxide preparation with different substrates | 第30-32页 |
| 2.2 Methods | 第32-35页 |
| 2.2.1 Microstructure and morphology analysis | 第32页 |
| 2.2.2 Microstructure and morphology analysis | 第32页 |
| 2.2.3 Analyzing the specific surface area of the samples | 第32-33页 |
| 2.2.4 Analyzing the water wet ability of different leaves | 第33页 |
| 2.2.5 Gas sensing properties characterization | 第33-35页 |
| Chapter 3 Tillandsia structure and gas absorption properties | 第35-50页 |
| 3.1 Tillandsia structure and morphology | 第35-41页 |
| 3.2 Effect of trichome on N2 adsorption-desorption of Tillandsia | 第41-43页 |
| 3.3 Analyzing the specific surface area of Tillandsia | 第43-44页 |
| 3.4 Effect of trichome on water wet ability of Tillandsia | 第44-47页 |
| 3.5 Analyzing the gas sensing property of Tillandsia | 第47-48页 |
| 3.6 Summery | 第48-50页 |
| Chapter 4 Effects of processing condition on the gas monitoring properties ofTiO_2 | 第50-92页 |
| 4.1 Reaction time effect on the sample properties | 第50-61页 |
| 4.1.1 Phase construction, Morphology and structures | 第51-56页 |
| 4.1.2 N2 adsorption-desorption analysis | 第56-58页 |
| 4.1.3 Gas sensing property of TiO_2 | 第58-61页 |
| 4.2 Effect of precursor volume on the gas sensors | 第61-80页 |
| 4.2.1 Tetrabutyl titanate volume effect on the gas sensors | 第62-71页 |
| 4.2.2 Ethanol volume effect on the properties of gas sensors | 第71-80页 |
| 4.3 The influence of high temperature on the properties of the sensors | 第80-90页 |
| 4.3.1 Phase construction, Morphology and structures | 第80-84页 |
| 4.3.2 Influence of the high temperature on the N2 adsorption-desorptionproperty of the sample | 第84-87页 |
| 4.3.3 Effect of high temperature on the sensing property of the samples | 第87-90页 |
| 4.4 Summary | 第90-92页 |
| Chapter 5 Comparative study on gas sensors based on carbon nanotube andTillandsia for H2 detection | 第92-119页 |
| 5.1 Effect of CNT as a substrate on the gas sensor properties | 第93-102页 |
| 5.1.1 Phase construction, Morphology and structures of the samples based onCNT | 第93-96页 |
| 5.1.2 N2 adsorption-desorption analysis | 第96-99页 |
| 5.1.3 Gas sensing analysis of the samples based on CNT | 第99-102页 |
| 5.2 Analysis of the sensors based on Tillandsia and their properties | 第102-112页 |
| 5.2.1 Morphology and structure of the samples based on Tillandsia | 第102-107页 |
| 5.2.2 N2 adsorption-desorption analysis of the samples based on Tillandsia | 第107-109页 |
| 5.2.3 Influence of Tillandsia as a substrate on the gas sensing property of thesamples | 第109-112页 |
| 5.3 Comparison between pure TiO_2 and TiO_2 based on different substrates | 第112-117页 |
| 5.4 Summary | 第117-119页 |
| Conclusions | 第119-121页 |
| References | 第121-132页 |
| Papers published in the period of Ph.D. education | 第132-135页 |
| Aknowledgement | 第135-136页 |
| Curriculum Vitae | 第136页 |
