목차
1. 서론 1
2. 본론 2
2.1. 나노섬유의 합성방법 2
2.2. SnO₂ 나노섬유를 이용한 가스센서 3
2.3. ZnO 나노섬유를 이용한 가스센서 4
2.4. In₂O₃ 나노섬유를 이용한 가스센서 4
2.5. WO₃ 나노섬유를 이용한 가스센서 5
2.6. Composite을 활용한 나노섬유 가스센서 6
2.7. 가스 감응 소재로서의 산화물 반도체 나노섬유 6
3. 결론 7
참고문헌 7
Table 1. Gas Sensing Characteristics of Metal Oxide Semiconductor Nanofiber Gas sensors 2
Fig. 1. Gas sensing mechanism of SnO₂ nanoparticles. 1
Fig. 2. Principle and construction of electrospinning method. 3
Fig. 3. The response of unloaded and 30 mol% Pd-loaded SnO₂ sensors to (a) H₂ and (b) NO₂. 3
Fig. 4. (a) SEM image of ZnO nanofiber and (b) cross sensitivity of the sensor to C2H5OH, CO, NO, NO₂, CH₄, H₂ and C₂H₂. 4
Fig. 5. SEM images of (a-d) In2O3 nanofiber and (e) the cross-response of the sensor to C2H5OH, NH₃, toluene, H₂, CH₄, C₂H₂, NO and NO₂. 5
Fig. 6. SEM images of (a) as-electrospun composite nanofibers and (b) tungsten oxide nanofibers calcined at 500℃ for 3 h. (c) XRD diffraction pattern of WO₃ nanofibers. And (d) the detection response variation of the WO₃ nanofiber sensor as a functionof the NH₃ concentration. 6