Fitting A Square Peg into A Round Hole: Shape Control in Phase Transfer of Cubic Gold Nanoparticles

نویسندگان

چکیده

Abstract Although nanomaterials are widely involved in technological applications, common synthetic recipes for such colloids restricted to special, optimized conditions, particularly anisotropic shapes. Ligand exchange is frequently necessary further functionalization. While protocols well established spherical particles, it more demanding keep the corpus thermodynamically less stable We highlight temperature as one key formation of gold nanoparticles, but also ligand under shape retention or deliberate reshaping at example nanocubes. In first part, synthesis CTAB capped nanocubes aqueous solution examined highlighting narrow window which selective adsorption site blocking by bromide ions leads too low temperatures yield multiple particle shapes due a surface mobility, above appropriate result favored Furthermore, two presented ammonium oleylamine an organic amine including water removal from slurrish water‐amine paste through gas phase. turn, precise control allows either maintain cubic induce process towards other, preferred truncated octahedra.

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ژورنال

عنوان ژورنال: ChemNanoMat

سال: 2021

ISSN: ['2199-692X']

DOI: https://doi.org/10.1002/cnma.202100080