Selective Emission of Al_2O_3/Er_3Al_5O_12 Eutectic Composite for Thermophotovoltaic Generation of Electricity

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概要

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• The emissive properties of Al_2O_3/Er_3Al_5O_12 eutectic composite were measured in the temperature range of 1000 to 1700K.It was confirmed that the Al_2O_3/Er_3Al_5O_12 eutectic composite has selective emission bands at a wavelength of 1.5μm attributable to Er^3+ ions.It is found that the intensity obeys the T^4 -law.The emittance of over 0.8 is observed in the selective region.Since these emission bands match up the sensitive region of the GaSb PV cell spectrally, the Al_2O_3/Er_3Al_5O_12 eutectic composite is a suitable emitter material for using in thermophotovoltaic generation systems.The effects of temperature and thickness on the selective emission efficiency have been studied and discussed.

• 社団法人応用物理学会の論文
• 2000-04-15

著者

• MARUYAMA Shigenao

  Institute of Fluid Sciences, Tohoku University

• Ohtsubo Hideki

  Ube Research Laboratory Corporate Research And Development Ube Industories

• Maruyama Shigenao

  Institute Of Fluid Science Tohoko University

• SAI Hitoshi

  Ube Research Laboratory, Corporate Research and Development, UBE Industories

• YUGAMI Hiroo

  Institute of Fluid Science, Tohoku University

• NAKAMURA Kazuya

  Graduate School of Engineering, Tohoku University

• NAKAGAWA Narihito

  Ube Research Laboratory, Corporate Research and Development, UBE Industories

• Sai H

  Ube Research Laboratory Corporate Research And Development Ube Industories

• Nakagawa Narihito

  Ube Research Laboratory Corporate Research And Development Ube Industories

• Nakamura Kazuya

  Graduate School Of Engineering Tohoku University

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