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SYNTHESIS OF OXYGEN AND BORON TRIHALOGENIDE FUNCTIONALIZED TWO-DIMENSIONAL LAYERED MATERIALS IN PRESSURIZED MEDIUM
SYNTHESIS OF OXYGEN AND BORON TRIHALOGENIDE FUNCTIONALIZED TWO-DIMENSIONAL LAYERED MATERIALS IN PRESSURIZED MEDIUM
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机译:加压介质中氧和三卤化硼功能化二维层状材料的合成
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摘要
A method that uses a pressurized reactive medium composed of inert solvents such as pressurized liquid or supercritical fluid carbon dioxide (C02), and sulfur hexafluoride (SF6) and reactive dissolved species ozone (03) and/or boron trifluoride (BF3) and general boron trihalogenides (BX3) to react with two-dimensional (2D) layered materials and thereby synthesize covalently oxygen and/or BX3 functionalized exfoliated 2D layered materials. When 2D layered materials are dispersed in these reactive liquids or fluids by ultrasound sonication or high shear mixing, a simultaneous covalent functionalization and exfoliation of the 2D layered materials happens. Following attainment of the required extent of functionalization and exfoliation, the unreacted 03, BX3, SF6 and C02 can be easily removed as gases by decompression leaving behind the solid phase, thereby leading to efficient and economical production of functionalized and exfoliated 2D layered materials.
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