نتایج جستجو برای: post annealing
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Black brookite TiO2 single-crystalline nanosheets with outstanding photocatalytic activity toward CO2 reduction is prepared by a facile oxidation-based hydrothermal reaction method combined with post-annealing treatment. Large amount of Ti(3+) defects are introduced into the bulk of brookite nanoparticles, which increases the solar energy absorption and enhances the photocatalytic activity.
Selective solvent vapour annealing is used on a photovoltaic blend to enhance the interaction between the electron acceptor and the electron donor, simplifying thin films post-processing for photovoltaic applications. A remarkable improvement in the interfacial charge transfer in the bulk hetero-junction is attained, as measured by Kelvin Probe Force Microscopy.
In this work we report room-temperature photoluminescence from as-deposited hydrogenated silicon nitride films due to silicon nanocrystals/structural disorder. A systematic study of fabrication parameters and post-heat treatment on the optical features has been done. Enhancement in optical constant on annealing is attributed to phase separation into c-Si and other phases.
Atomic scale details of the formation point defects and their evolution to phase transformation in silicon (Si) implanted β-Ga2O3 were studied using high resolution scanning transmission electron microscopy (STEM). The effect Si implantation was as a function dose atoms, detailed mechanism lattice recovery observed both situ ex annealing β-Ga2O3. created nanoscale dark spots STEM images, which ...
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