| 摘要 | 第1-8页 |
| Abstract | 第8-11页 |
| Segment I Introduction | 第11-23页 |
| 1. Introdtiction of graphene composite film modified electrodes | 第11-18页 |
| ·Introduction | 第11-12页 |
| ·Modificatory methods of the GCFME | 第12页 |
| ·Electrochemical applications of GCFME | 第12-18页 |
| 2. References | 第18-23页 |
| Segment II Research of graphene composite film modifiedelectrode and its application | 第23-79页 |
| Chapter 1 Electrochemical reduction of oriented graphene oxide-nafion films and itsapplication in determination of dopamine | 第23-38页 |
| 1. Introduction | 第23-24页 |
| 2. Experimental | 第24-26页 |
| ·Materials and reagents | 第24-25页 |
| ·Apparatus | 第25页 |
| ·Fabrication of the Modified Electrode | 第25-26页 |
| 3. Results and Discussion | 第26-35页 |
| ·Electrochemical characteristics of self-assembly process | 第26-29页 |
| ·Voltammetric behaviour of dopamine at modified electrodes | 第29-30页 |
| ·Effects of proportion,solution pH and scan rate | 第30-32页 |
| ·Electrochemical response of dopamine at rGO-Nafion/GCE | 第32-33页 |
| ·Interference and stability | 第33-34页 |
| ·Real samples analysis | 第34-35页 |
| 4. Conclsions | 第35页 |
| 5. References | 第35-38页 |
| Chapter 2 A glassy carbon electrode modified with graphene and poly(acridine red)for sensing uric acid | 第38-51页 |
| 1. Introduction | 第38-39页 |
| 2. Experimental | 第39-41页 |
| ·Reagents and apparatus | 第39-40页 |
| ·Fab rication of the modified electrode | 第40-41页 |
| 3. Results and discussion | 第41-48页 |
| ·Characterization of the graphene-poly(acridine red)/glassy carbon electrode | 第41-42页 |
| ·Electrochemical response to uric acid on the modified electrode | 第42-43页 |
| ·Effect of solution pH and scan rate | 第43-45页 |
| ·Determination of uric acid | 第45-46页 |
| ·Interference study | 第46-47页 |
| ·Determination of uric acid in human blood serum | 第47-48页 |
| 4. Conclusions | 第48页 |
| 5. References | 第48-51页 |
| Chapter 3 Simultaneous determination of dopamine and serotonin usinggraphene/poly(p-aminobenzene sulfonic acid)film-coated glassy carbon electrode | 第51-65页 |
| 1. Introduction | 第51-52页 |
| 2. Experimental | 第52-54页 |
| ·Reagents and apparatus | 第52-53页 |
| ·Fabrication of the modified electrode | 第53-54页 |
| 3. Results and discussion | 第54-63页 |
| ·Characterization of the GR-poly(p-ABSA)/GCE | 第54-56页 |
| ·Electrochemical behaviors of DA and 5-HT | 第56页 |
| ·Effects of scan rate and solution pH | 第56-58页 |
| ·Determination of DA and 5-HT concentration | 第58-61页 |
| ·Effects of interferents on the behaviors of DA and 5-HT | 第61-62页 |
| ·Analytical applications | 第62-63页 |
| ·Stability | 第63页 |
| 4. Conclusions | 第63页 |
| 5. References | 第63-65页 |
| Chapter 4 Electrophoretic deposition of Ni/graphene oxide nanocomposite and itsapplication for catalytic oxidation of methanol in alkaline solution | 第65-79页 |
| 1. Introduction | 第65-67页 |
| 2. Experimental | 第67-68页 |
| ·Reagents and apparatus | 第67页 |
| ·Fab rication of the modified electrode | 第67-68页 |
| ·Sensing procedures | 第68页 |
| 3. Results and discussion | 第68-75页 |
| ·Characterzation of the Ni-GO film | 第68-69页 |
| ·Electrochemical behavior of Ni-GO/Au electrode | 第69-70页 |
| ·Effect of scan rate | 第70-71页 |
| ·Voltammetric analysis | 第71页 |
| ·Effect of NaOH concentration | 第71-72页 |
| ·Determination of the potential window | 第72-73页 |
| ·Amperometric detection | 第73-74页 |
| ·Stability of the sensor | 第74页 |
| ·Interference | 第74-75页 |
| 4. Conclusions | 第75页 |
| 5. References | 第75-79页 |
| Acknowledgment | 第79-81页 |
| Appendix | 第81页 |