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Home  >  Volume 25 (2013)

Investigation into Thermal Emittance of Solar Assisted Electroless Deposition of Cadmium Sulphide Thin Films for Different Deposition Times at 400C by Amen-Leleji , A. O., Damisa, J and Ilenikhena, P. A. Vol.25 ( Nov. 2013). pp 395-400
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Thin films of cadmium sulphide were successfully deposited on polished aluminium sample plates by solar assisted  Electrolesss Chemical Deposition (ECD) method at ambient temperature of 400C. The thermal emittance of the sample plates were measured using an emissiometer before and after deposition of the thin films.  The average thermal emittance value of the polished plates was 0.10±0.01 while the thermal emittance value of the coated plates ranged from 0.21 to 0.24±0.01 depending on the deposition time.  The film thickness of the coated sample plates value ranged from 1.273 to 6.825µm ±0.001. The low thermal emittance value of the coated plates compare favorably with spectrally selective surfaces used in solar collectors.