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Study on the therma...
Study on the thermal stability of Al/NbTiSiN/NbTiSiON/SiO2 solar selective absorbing coating
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- Wu, Yongxin (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Wang, Cong (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Sun, Ying (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Ning, Yuping (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Liu, Yingfang (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Xue, Yafei (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Wang, Wenwen (författare)
- Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China.
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- Zhao, Shuxi (författare)
- Uppsala universitet,Fasta tillståndets fysik
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- Tomasella, Eric (författare)
- Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS UMR 6296, F-63171 Aubiere, France.
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- Bousquet, Angelique (författare)
- Univ Clermont Ferrand, Clermont Univ, ICCF, CNRS UMR 6296, F-63171 Aubiere, France.
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Beihang Univ, Ctr Condensed Matter & Mat Phys, Beijing 100191, Peoples R China Fasta tillståndets fysik (creator_code:org_t)
- Elsevier BV, 2015
- 2015
- Engelska.
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Ingår i: Solar Energy. - : Elsevier BV. - 0038-092X .- 1471-1257. ; 119, s. 18-28
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this work, the NbTiSiN and NbTiSiON layers are used instead of NbTiN and NbTiON layers to further improve the thermal stability of Al/NbTiN/NbTiON/SiO2 multilayer solar selective absorbing coating. The thermal stability of Si-doped individual layers and multilayer coatings are investigated. The X-ray diffraction (XRD) results show that Si incorporation into NbTiN (NbTiSiN) layer does not change its preferred orientation, and the Si-doped NbTiON (NbTiSiON) layer remains in amorphous phase. On the other hand, by introducing Si into NbTiN and NbTiON layers induce significant improvement of the oxidation resistance at 500 degrees C in air. After ageing in air at 500 degrees C for 2 h, the absorptance and emittance (at 400 degrees C) of Al/NbTiN/NbTiON/SiO2 and Al/NbTiSiN/NbTiSiON/SiO2 multilayer coatings change from 0.934/0.13 and 0.931/0.12 to 0.538/0.14 and 0.922/0.13, respectively. Meanwhile the surface roughness increases from 18.3 and 7.9 to 41.5 and 14.7 respectively, as atomic force microscopy (AFM) shows. The Al/NbTiSiN/NbTiSiON/SiO2 coating still has a high absorptance (0.910) and low emittance (0.13, at 400 degrees C) after ageing at 550 degrees C in vacuum for 100 h. It displays that Si-doping play an important role in the improvement of the thermal stability.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering (hsv//eng)
Nyckelord
- Solar selective absorbing coating
- Magnetron sputtering
- Si doping
- Thermal stability
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Wu, Yongxin
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Wang, Cong
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Sun, Ying
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Ning, Yuping
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Liu, Yingfang
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Xue, Yafei
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Wang, Wenwen
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Zhao, Shuxi
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Tomasella, Eric
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Bousquet, Angeli ...
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Uppsala universitet