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بررسی خواص حسگری در نانوساختار چندلایه SnO2-CuO برای شناسایی گاز H2S
صالحی، فرناز Salehi, Farnaz
Cataloging brief
بررسی خواص حسگری در نانوساختار چندلایه SnO2-CuO برای شناسایی گاز H2S
پدیدآور اصلی :
صالحی، فرناز Salehi, Farnaz
ناشر :
صنعتی شریف
سال انتشار :
1393
موضوع ها :
غوطه وری Dipping لایه های نازک نانوساختار Nanostructural Thin Films حسگری Sensing اسید...
شماره راهنما :
56-47133
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Chapter 1
(13)
1 Introduction
(13)
1-1- Destructive effects of H2S in oil and gas industries
(14)
1-1-1- The effect of H2S on the personnel health and safety
(14)
1-1-2- The H2S effects on the metals applied in drilling devices
(15)
Chapter 2
(18)
1 Literature Review
(18)
2-1- The resistive metal oxide gas sensors
(18)
2-1-1- Definition and gas sensor relevant parameters
(18)
2-2- Metal oxide gas sensor components and materials
(20)
2-3- SnO2 deposition
(22)
2-4- Mechanisms for Gas Sensing in Pure SnO2 Sensor
(24)
2-5- Effects of additives on sensing behavior
(27)
2-6- Composite gas sensors
(29)
2-7- Study of the SnO2-CuO sensors
(31)
2-8- Multilayer sensing mechanism
(39)
2-9- Thickness, as a parameter that affects the sensing behavior
(40)
Chapter 3
(46)
1 Experimental Method
(46)
3-1- Substrate preparation
(46)
3-2- Preparation of the Tin oxide layer using Physical Vapor Deposition
(47)
3-3- Sol preparation
(48)
3-3-1- SnO2 Sol
(48)
3-3-2- CuO sol
(48)
3-4- Dip coating mechanism and device
(48)
3-4-1- Fabrication of the Dip-Coater device
(48)
3-4-1-1- Linear motion
(48)
3-4-1-2- Electrical
(49)
3-4-1-3- Firmware
(51)
3-4-2- Coating SnO2 and CuO multilayers using Sol-Gel method
(51)
3-5- Study the surface topography by Atomic Force Microscopy (AFM)
(52)
3-6- Study the morphology by Scanning Electron Microscopy (SEM)
(52)
3-7- Crystallographic investigation
(53)
3-7-1- Calculating the crystallite size of the synthetic nano particles
(53)
3-8- Study of the sensing properties
(54)
3-8-1- Resistance logger preparation
(56)
3-8-1-1- Resistance measurement
(56)
3-8-1-2- PC application
(57)
Chapter 4
(58)
1 Results and Discussion
(58)
4-1- Study the structure of the coatings
(58)
4-2- Analysis of the Coating Structure by X-Ray Diffraction
(72)
4-2-1- Calculating the crystalline size of the synthetic nano particles
(77)
4-3- Study the sensing properties
(79)
Conclusion
(87)
2 Recommendation for Further Study
(88)
