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High-performance selective Er-doped YAG emitters for thermophotovoltaics

Author

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  • Tobler, W.J.
  • Durisch, W.

Abstract

Selective emitters for thermophotovoltaics have been produced by vacuum plasma-spray coating of erbium doped garnet Er1.5Y1.5Al5O12 and Er2O3 on the intermetallic alloy MoSi2. The emitters are fully operable in an oxygen-containing atmosphere at a temperature of 1600 °C, are highly thermal-shock stable, and show good selective-emitting properties. The film thickness of the rare-earth oxide was varied between 200 and 600 [mu]m and an optimal thickness for maximum selectivity was found. Measurements with Si and GaSb photocells have been performed in order to evaluate the optimal combination emitter - photocell for real thermophotovoltaic systems.

Suggested Citation

  • Tobler, W.J. & Durisch, W., 2008. "High-performance selective Er-doped YAG emitters for thermophotovoltaics," Applied Energy, Elsevier, vol. 85(6), pages 483-493, June.
    • Handle: RePEc:eee:appene:v:85:y:2008:i:6:p:483-493
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    Cited by:

    1. Wijewardane, S. & Goswami, Yogi, 2014. "Extended exergy concept to facilitate designing and optimization of frequency-dependent direct energy conversion systems," Applied Energy, Elsevier, vol. 134(C), pages 204-214.
    2. Daneshvar, Hoofar & Prinja, Rajiv & Kherani, Nazir P., 2015. "Thermophotovoltaics: Fundamentals, challenges and prospects," Applied Energy, Elsevier, vol. 159(C), pages 560-575.
    3. Bitnar, Bernd & Durisch, Wilhelm & Holzner, Reto, 2013. "Thermophotovoltaics on the move to applications," Applied Energy, Elsevier, vol. 105(C), pages 430-438.
    4. Xu, Xiaojie & Ye, Hong & Xu, Yexin & Shen, Mingrong & Zhang, Xiaojing & Wu, Xi, 2014. "Experimental and theoretical analysis of cell module output performance for a thermophotovoltaic system," Applied Energy, Elsevier, vol. 113(C), pages 924-931.
    5. Qiu, K. & Hayden, A.C.S., 2012. "Development of a novel cascading TPV and TE power generation system," Applied Energy, Elsevier, vol. 91(1), pages 304-308.

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