Abstract
Solar selective materials and structure of solar thermal energy conversion systems plays a prominent role for the improvement of optical properties. In the present work simulations on multi-layered thin films have been conducted using code software with Mo and Was functional layer in combination with bond layer and protective layers of Si3N4 and Al2O3. The better combination is selected for optimization on thickness for absorption and reflection. To simplify experimentation, Taguchi‟s design of experiments approach was adopted to determine the optimum material layer combination.The results indicate for multi-layered thin films that combination of Al2O3-Mo-Al2O3 has better reflectance of 50.48% and combination Si3N4-W-Si3N4 has better absorptance of 74.81% upon optimization on thickness of bond layers, functional and protective layers. These results are discussed on main effect plots, contour plots and surface plots.
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