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Performance evaluation of thin-film solar concentrators for greenhouse applications
Faculty
Science
Year:
2007
Type of Publication:
Article
Pages:
244-250
Authors:
El-Bashir, S. M, El-Shaarawy, M. G, Hammam, M, El-Mansy, M. K
DOI:
10.1016/j.desal.2007.04.034
Journal:
DESALINATION ELSEVIER SCIENCE BV
Volume:
209
Research Area:
Engineering; Water Resources
ISSN
ISI:000246790900036
Keywords :
solar concentrators, greenhouse, polymethylmethacrylate, photoselective films for photosynthesis applications
Abstract:
Fluorescent Poly (methylmethacrylate) films embedded with a commercial coumarin dyestuff (MACROLEX Fluorescent Red G) were prepared by flow-spin coating technique. The absorption and emission spectra were recorded in order to determine the dye concentrations corresponding to the maximum fluorescence intensity and red shift. The emission band was optimized to match to the absorption band of chlorophylls (650-680 nm), which is the most important wavelength band for the photosynthesis process in plants. These films showed a remarkable stability against both photo and thermal degradation, pointing to their excellent weathering durability for using as photoselective films in greenhouse applications.
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