Si Cong Chen

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We obtained well-aligned ZnO nanowire arrays by chemical vapor deposition. The XRD patterns show that the crystallinity is improved by O 2 annealing at 800 • C. The field emission (FE) properties of annealed ZnO nanowire arrays become worse. The photoluminescence spectra show that the decrease of oxygen vacancy densities in ZnO nanowire arrays is(More)
We have examined the gypsum (CaSO4·2H2O) scaling phenomena on membranes with different physicochemical properties in forward osmosis (FO) processes. Three hollow fiber membranes made of (1) cellulose acetate (CA), (2) polybenzimidazole (PBI)/polyethersulfone (PES) and (3) PBI-polyhedral oligomeric silsesquioxane (POSS)/polyacrylonitrile (PAN) were studied.(More)
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