angew?---?? - ? - с? - ? с? --- 600???????? с?????? ???>>?>>angew?---??angew?---?? ?: ?   ??angewandte chemie???а??---????о??????metal nanocrystals with concave surfaces are interesting for a widevariety of applications that are related to catalysis, plasmonics, andsurface-enhanced spectroscopy. this interest arises from their highindexfacets, surface cavities, and sharp corners/edges. two majorchallenges are associated with this novel class of nanocrystals: 1) howto generate a concave surface with negative curvature, which is notfavored by thermodynamics owing to its higher energy than the convexcounterpart; and 2) how to stabilize the morphology of a nanocrystalwith concave structures on the surface. recently, a number of differentprocedures have been developed for the synthesis of noble-metalnanocrystals with concave surfaces. this review provides a briefaccount of these developments, with the aim of offering new insightsinto the growth mechanisms. we focus on methods based on twogeneral strategies: 1) site-specific dissolution through etching andgalvanic replacement; and 2) directionally controlled overgrowth byfacet-selective capping, kinetic control, and template-directed epitaxy.their enhanced catalytic and electrocatalytic properties are also described..?appд????noble-metalnanocrystalswithconcavesurfacessynthesisandapplications.pdf ??... ????... ??... ???... ?1000?... ?...?лл?phageous??л:dlangcon????б?????????????3??у???щ????щ?????????????щ??actor2006:victory::victory::victory:delphoenixлл¥sophy1120лл?? ??600?? ?? android ????metal-wy2??????????afm???6mm*3mm??????????к???л?????с???????э?????υ????绰13073642342 ? qq:2862490480??7?账???лл???? - -??с?,?л,?й??υ????绰13073642342 ? qq:2862490480?? qq64901448 qq2829862428  ?64901448@qq.comcopyright © 2001-2017, all rights reserved. с? ?icp09032638-13 11010802022153

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