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The spectral properties and thermal stability of AlCr-AlCrON solar selective absorber coating

  • Ya Nan Li
  • , Xiang Rong Liu
  • , Yin Fang Cui
  • , Jia Qi Liu
  • , Guang Ming Xie
  • , Cong Wang
  • National Key Laboratory of Science and Technology on Test Physics and Numerical Mathematics
  • Beijing Solar Energy Research Institute

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Spectrally selective AlCr-AlCrON cermet solar absorber coating has been deposited on Cu substrate experimentally by reactive DC magnetron sputtering and heat-treated in air at 300°C for 2h. The spectral properties and thermal stability of the as-synthesized AlCr-AlCrON coatings were characterized. The solar absorptance and thermal emittance of the as-synthesized AlCr-AlCrON coating are 0.926 and 0.065, respectively. In addition, after heat treatment at 300° C for 500 h in air, the spectral properties of the as-synthesized AlCr-AlCrON coating is virtually unchanged. The results indicate that the as-synthesized AlCr-AlCrON coating has good spectral properties and thermal stability, which will be a good selective absorbing coating for mid-temperature solar vacuum collector tubes.

Original languageEnglish
Title of host publicationApplied Materials and Technologies for Modern Manufacturing
Pages419-425
Number of pages7
DOIs
StatePublished - 2013
Event3rd International Conference on Applied Mechanics, Materials and Manufacturing, ICAMMM 2013 - Dalian, China
Duration: 24 Aug 201325 Aug 2013

Publication series

NameApplied Mechanics and Materials
Volume423-426
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference3rd International Conference on Applied Mechanics, Materials and Manufacturing, ICAMMM 2013
Country/TerritoryChina
CityDalian
Period24/08/1325/08/13

Keywords

  • AlCr-AlCrON coating
  • Mid-high temperature solar selective coating
  • Reactive DC magnetron sputtering
  • Thermal stability

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