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Tin dioxide (SnO2) nanosheets/graphitic carbon nitride (g-C3N4) composite was prepared by a hydrothermal method using mercapto acetic acid as the morphology directing agent in an acidic medium. The as-obtained composite was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscope, and X-ray photoelectron spectroscopy; the results of this study show that in...
NH 3 adsorption and dissociation on gallium-rich GaAs(001)-4×2 surface have been investigated using hybrid density functional theory. NH 3 is found to adsorb molecularly onto GaAs(001)-4×2 via formation of a dative bond with an adsorption energy of 21.1kcal/mol. Two different dissociation paths, one hydrogen atom detached from NH 3 transfer to the second-layer arsenic atom...
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