نتایج جستجو برای: nanopowders
تعداد نتایج: 859 فیلتر نتایج به سال:
high purity fluorapatite (fa) with rod-like and spherical-like morphology was synthesized via sol-gel method. chemical characterization of fa powders was done by xrd and ftir analyses. crystallite samples were calculated using scherer method. morphology of fa powders was investigated with tem and sem images. the results revealed that increasing the time of hydrolysis of phosphate sols significa...
Developing low-cost nano-biomaterials using locally available raw materials is gaining significant prominence recently, e.g., to meet the UN’s sustainable development goals (Goal 3). In this work, amorphous calcium silicate (CaS) nanopowders were prepared from Egyptian corals (CaCO3) as a bone restoration material due their excellent bonding abilities with surrounding tissues, which in turn acc...
Solid-state dye-sensitized solar cells (ssDSSC) constitute a major approach to photovoltaic energy conversion with efficiencies over 8% reported thanks to the rational design of efficient porous metal oxide electrodes, organic chromophores, and hole transporters. Among the various strategies used to push the performance ahead, doping of the nanocrystalline titanium dioxide (TiO₂) electrode is r...
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