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A novel synthetic strategy was successfully developed to fabricate mesoporous biochar with high-surface area from crab shell as carbon precursor and its natural CaCO3 as in-situ template. The influences of pyrolysis temperature on the pore structure were investigated via N2 adsorption-desorption isotherms and scanning/transmission electron microscope. The as-prepared biochar at pyrolysis temperature...
A novel structured hydrotalcite-based film was synthesized on TC4 titanium alloy by facile hydrothermal method, and then modified with graphene and oleylamine. The structure, morphology, composition, wetting and lubricating properties of the as-prepared films were investigated. The oleylamine/graphene-modified hydrotalcite-based film (HT-OAm/GN) exhibited lower friction coefficient and longer wear...
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