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In this paper, a novel broadband flexible metamaterial absorber is proposed. The unit cell of the absorber is consisted of loaded high-impedance surfaces (HIS) on a flexible polyethylene terephthalate (PET) substrate and a metallic ground plane seperated by a dielectric layer. Losses in the high-impedance surface are introduced by printing the periodic pattern through resistive inks and hence avoiding...
Efficiency dispersion in crystalline-Si solar cells is a major contributor to the high cost of Si PV systems. A comprehensive sensitivity analysis for efficiency dispersion in the production of crystalline-Si solar cells is presented based on numerical simulations. Various process variables are considered, including temperature variation in the diffusion furnace, wafer resistivity and finger electrode...
The electrochemical deposition of Cu(CH3(CH2)12COO)2 was presented to make the stainless steel surface superhydrophobic. The substrate was polished by abrasive paper firstly to make the micro-structures on the surface, then rough surface was covered with the Cu(CH3(CH2)12COO)2 by the method of electrochemical deposition. By our experiment, the deposition time affects the wettability of stainless steel...
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