Influence of temperature-induced copper diffusion on degradation of selective chromium oxy-nitride solar absorber coatings

作者: M. Kotilainen , M. Honkanen , K. Mizohata , P. Vuoristo

DOI: 10.1016/J.SOLMAT.2015.10.034

关键词:

摘要: Temperature-induced copper diffusion process and its influences on optical degradation and long-term stability of solar absorber coatings on copper substrates were investigated at intermediate temperatures of 248–500° C. The studied absorbers were sputtered chromium oxy-nitride absorbers having tin oxide anti-reflection coatings. The absorbers were aged by means of thermal accelerated ageing studies and short-period heat treatments up to 500° C for two hours. Ageing mechanisms and degradation of the absorbers were analysed before …

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