Optical Characterization Of TiO2-bound (CuFeMnO4) Absorber Paint For Solar Thermal Applications
Ayieko, C. O.
Musembi, R. J
Ogacho, A. A.
Aduda, B. O.
Muthoka, B. M.
Jain, P. K.
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Abstract A composite thin film consisting of TiO 2 (binder), uniformly mixed CuFeMnO 4 paint (solar absorber) was coated on textured aluminum sheets by dip coating. The film’s elemental analysis was done using energy dispersive x- ray (EDX) and the surface of the film characterized using scanning electron microscope (SEM). Optical properties of the TiO 2 /CuFeMnO 4 composite film were also studied using computerized double beam solid- spec 3700 DUV Shimadzu Spectrophotometer. Reflectance was obtained by spectrophotometric m easurements, and thermal emmittance was determined using heat flux - based technique respectively. Reflectance measurement values less than 0.03 in the solar wavelength (290 nm < λ < 2500 nm) and low thermal emmittance less than 0.016 for temperatures betwe en 24° C and 100° C were obtained. Keywords : CuFeMnO 4 paint , TiO 2 - bound, reflectance, thermal emmittance , solar thermal Cite This Article: C. O. Ayieko, R. J. Musembi, A. A. Ogacho, B. O. Aduda, B. M. Muthoka , and P. K. Jain , “Optical Characterization of TiO 2 -bound (CuFeMnO 4 ) Absorber Paint for Solar Thermal Applications .” American Journal of Energy Research , vol. 4, no. 1 (2016 ): 11-15. doi: 10.12691/ ajer -4-1-2.
CitationAyieko CO, R. J. Musembi, A. A. Ogacho, B. O. Aduda, B. M. Muthoka, P. K. Jain. "Optical Characterization of TiO2-bound (CuFeMnO4) Absorber Paint for Solar Thermal Applications." American Journal of Energy Research. 2016;4(1):11-15.
University of Nairobi
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