GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors

研究成果: Chapter

摘要

Hydrogen (H2) gas has many interesting and useful properties and has been widely used as hydrogenating and reducing agents in numerous industrial branches, such as petroleum, chemical, metallurgical, and foodstuff industries. It is also used in power stations as a coolant in electric generators. Nowadays, environmental pollution has become a major issue. Hydrogen, as one of potentially clean energy sources, has attracted intensive attention. Hydrogen gas is expected to be one of the principal energy sources in the future and can be used in future power devices, solid oxide fuel cells, H2 engine cars, and so on [1-6]. On the other hand, hydrogen gas is hazardous, is highly inflammable, has low ignition energy, and is explosive at room temperature when its concentration in air exceeds about 4%. However, hydrogen gas is odorless and colorless, so it is difficult to be detected by human sensing organs. Furthermore, because hydrogen’s small molecular size promotes leaks and diffusion, leaking hydrogen gas warms, and may spontaneously ignite due to its negative Joule-Thomson coefficient at room temperature. Therefore, to ensure safety it is necessary to detect the leakage and monitor its existence and concentration in the surrounding atmosphere using specific detectors wherever hydrogen is produced, transported, stored, or used. Over time, much effort has been made to exploit various reliable, durable, accurate, sensitive, fast to respond, easy to operate, and inexpensive hydrogen sensors. Based on the variation of various physical-chemical properties of materials on exposure to hydrogen-containing ambience, different types of hydrogen sensors have been developed [7].

原文English
主出版物標題Gallium Nitride (GaN)
主出版物子標題Physics, Devices, and Technology
發行者CRC Press
頁面203-226
頁數24
ISBN(電子)9781482220049
ISBN(列印)9781482220032
DOIs
出版狀態Published - 2017 一月 1

指紋

MIS (semiconductors)
Semiconductor materials
Hydrogen
sensors
Sensors
hydrogen
Metals
Gases
gases
energy sources
clean energy
Electric generators
ambience
electric generators
coolants
Reducing agents
room temperature
solid oxide fuel cells
pollution
Solid oxide fuel cells (SOFC)

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

引用此文

Lee, C. T., Lee, H. Y., & Lou, L. R. (2017). GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors. 於 Gallium Nitride (GaN): Physics, Devices, and Technology (頁 203-226). CRC Press. https://doi.org/10.1201/b19387
Lee, Ching Ting ; Lee, Hsin Ying ; Lou, Li Ren. / GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors. Gallium Nitride (GaN): Physics, Devices, and Technology. CRC Press, 2017. 頁 203-226
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Lee, CT, Lee, HY & Lou, LR 2017, GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors. 於 Gallium Nitride (GaN): Physics, Devices, and Technology. CRC Press, 頁 203-226. https://doi.org/10.1201/b19387

GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors. / Lee, Ching Ting; Lee, Hsin Ying; Lou, Li Ren.

Gallium Nitride (GaN): Physics, Devices, and Technology. CRC Press, 2017. p. 203-226.

研究成果: Chapter

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Lee CT, Lee HY, Lou LR. GaN-based metal/insulator/semiconductor-type schottky hydrogen sensors. 於 Gallium Nitride (GaN): Physics, Devices, and Technology. CRC Press. 2017. p. 203-226 https://doi.org/10.1201/b19387