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Analysis of two models for metal hot-electron power generation

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Abstract

Hot electron emission means that electrons move over potential barriers to come out of the metal when the metal is being heated. Obviously, voltage will generate between electrons and the metal. Based on this, the model of metal hot-electron power generation is built. Free electron model of Sommerfeld is used to describe the movement of electrons in metal. According to the different width of potential barriers, two models are built. One assumes that electrons move from one metal to another mainly by moving over the potential barrier as the barrier is wide enough. The other assumes that the potential barrier is so narrow that electrons mainly move through the potential barrier by tunnel effect. The first model is analyzed and proved strictly, including the building of model, the calculation of open-circuit voltage and the drawing of volt-ampere characteristic curve. The second model is analysed simply. This paper shows that power generation by metal hot-electron is possible based on the theory and can provide reference for researching in power generation of metal hot-electron.

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Correspondence to GuangChong Shen.

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Shen, G. Analysis of two models for metal hot-electron power generation. Sci. China Technol. Sci. 54, 1435–1438 (2011). https://doi.org/10.1007/s11431-011-4377-1

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  • DOI: https://doi.org/10.1007/s11431-011-4377-1

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