title: A way to control the gold nanocrystals size: using seeds with different sizes and subjecting them to mild annealing.
abstract: We demonstrate that the sequence of reactants plays a key factor in the final size of Au nanocrystals. The growth mechanism markedly differs with seed size and/or internal crystallinity. Conversely to what could be expected when the multiple-twinned particle (MTP) seeds are rather large (3.5 nm) they control the nanocrystal growth. When the single domain seeds are very small (1.5 nm) the majority of nanocrystals produced are large icosahedral (85%) nanoparticles as predicted from a theoretical model.
authors.affiliation: Universite Pierre et Marie Curie, UMR 7070, LM2N, 4 Place Jussieu, Paris, France.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Goubet
authors.forename: Yong
authors.initials: Y
authors.lastname: Ding
authors.forename: Mathias
authors.initials: M
authors.lastname: Brust
authors.forename: Zhong Lin
authors.initials: ZL
authors.lastname: Wang
authors.forename: Marie-Paule
authors.initials: MP
authors.lastname: Pileni