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Extraordinary infrared emittance property of Mo-, W-incorporated Sm $_{0.5}$ Sr $_{0.5}$ CoO $_{3 - δ}$

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, P. R. China

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Zhenggang Fang

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, P. R. China

E-mail Address: zgfang@njtech.edu.cn

Corresponding author.

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Yaru Ni

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, P. R. China

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Chunhua Lu

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, P. R. China

E-mail Address: chhlu@njtech.edu.cn

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, and

Zhongzi Xu

State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, P. R. China

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https://doi.org/10.1142/S1793604717500837Cited by:0 (Source: Crossref)

Abstract

The Mo-, W-incorporated Sm $_{0.5}$ Sr $_{0.5}$ CoO $_{3 - δ}$ ceramics were prepared by the tape casting and high temperature sintering method. The effects of Mo and W concentration on the structure and optical properties of Sm $_{0.5}$ Sr $_{0.5}$ CoO $_{3 - δ}$ were investigated in detail. It was found that the Mo-, W-incorporated Sm $_{0.5}$ Sr $_{0.5}$ CoO $_{3 - δ}$ exhibited extraordinary emittance property in the 3–5 $μ$ m and 8–13 $μ$ m (especially in the 11–13 $μ$ m) wavelength ranges. The results suggest that the novel infrared emittance property of Mo- and W-incorporated Sm $_{0.5}$ Sr $_{0.5}$ CoO $_{3 - δ}$ could find potential applications in solar thermal or radiative cooling systems.

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