Thermal Emittance and Solar Absorptance of CdS Thin Films

International Journal of Engineering Inventions, Volume 4, Issue 11, p. 01-05, August 2016

6 Pages Posted: 24 Jul 2017

See all articles by Cliff Mosiori

Cliff Mosiori

Technical University of Mombasa

Morko Kwembur

Technical University of Mombasa

John Maera

Maasai Mara University

Date Written: August 20, 2016

Abstract

CdS thin films were grown on highly cleaned substrates of Microscope glass slides using solution deposition technique at different molar concentrations at constant time and repeated at a fixed molar concentration at for different deposition times. Measurement of the thermal emittance on polished and coated substrates was determined before and after growth. The average thermal emittance value of polished uncoated sample plate was 0.152 with an error of ± 0.013 while an average thermal emittance value of the coated sample was 0.15 ± 0.01. Equally when the average solar absorptance values of the coated sample plate substrate was 0.473 with an error of ± 0.01. Thin film thickness varied from 0.212 - 0.614 µm with an error of ± 0.01. These outcomes formed the basis for proposing these thin films as appropriate for photothermal solar energy application.

Keywords: Thermal Emittance, Solar Absorptance, Solar Thermal Devices

Suggested Citation

Mosiori, Cliff and Kwembur, Morko and Maera, John, Thermal Emittance and Solar Absorptance of CdS Thin Films (August 20, 2016). International Journal of Engineering Inventions, Volume 4, Issue 11, p. 01-05, August 2016. Available at SSRN: https://ssrn.com/abstract=3006235

Cliff Mosiori (Contact Author)

Technical University of Mombasa ( email )

Tom Mboya Street
P. O. Box 90420-80100
Mombasa, 90420
Kenya

Morko Kwembur

Technical University of Mombasa

Tom Mboya Street
P. O. Box 90420-80100
Mombasa, 90420
Kenya

John Maera

Maasai Mara University ( email )

Narok
Kenya

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