metaloxide gas sensors
The reason we take Nox as target gas
1. NOx is harmful to human health in its own right.
2. NOx reaction produces tropospheric ozone.
3. NOx causes acid rain, smog, and destruction of forests.
- This problems become more serious due to the rapid increase of car.
Sensitivity
▪ Temperature
▪ Catalyst
▪ Large surface area
▪ Low carr
Sulfur Dioxide(SO2)
The release of SO2 to the atmosphere is the primary cause of acid rain in the world.
Fossil fuel combustion at electric power-generating plants accounts for about70% of
the emissions.
Coal, Oil, and all other fossil fuels naturally
contain some sulfur.
Volcanic eruptions are another more localized natural source of SO2
SO2 + OH. HSO3.
HS
B. Solution-Liquid-Solid Growth of Indium Phosphide Fibers from Organometallic Precursors: Elucidation of Molecular and Nonmolecular Components of the Pathway
Solution-phase organometallic syntheses of semiconductors are used for the growth of high-quality quantum dots,1-3 and are potentially useful for the deposition of semiconductor materials on thermally sensitive substrates such as polymers
BulkGibbs free energy of formation of the amorphous oxide islarger than that of the corresponding crystalline oxide.
Thin filmThe thin amorphous metal-oxide film on its metal substrate can be stable modification with respect to the corresponding crystalline metal-oxide film the same substrate.
1. Interaction contribution to the - interfacial energy
Following the treat
oxide의 불안정한 상태 때문에 Ge보다는 Si 사용한 MOSFET(MetalOxide Semiconductor Field Effect Transistor)이 반도체산업의 중심에 서있다. 이러한 MOSFET의 바탕이 되는 MOS를 이용한 capacitor 즉 MOS capacitor는 유전체로써 oxide를 사용하였기 때문에 붙여진 이름이며 이번 실험에서 제작할 소자이다. 전기신호의 증폭과 스