Electrodeposited quantum dots: II. High resolution electron microscopy of epitaxial CdSe nanocrystals on {111} gold

作者: Yuval Golan , Lev Margulis , Gary Hodes , Israel Rubinstein , John L. Hutchison

DOI: 10.1016/0039-6028(94)90465-0

关键词: CrystallographyEpitaxyQuantum dotSubstrate (electronics)Electron microscopeNanocrystalHigh-resolution transmission electron microscopyElectron diffractionMaterials scienceWurtzite crystal structure

摘要: CdSe quantum dots, electrodeposited epitaxially on {111} gold substrates, were studied by high resolution transmission electron microscopy (HREM). Images corresponding to wurtzite {10.0}CdSe and {11.0}CdSe as well {220}Au 13{422}Au, directly confirmed the epitaxial relationships previously shown diffraction, namely {111}Au‖{00.1}CdSe 〈110〉Au‖〈11.0〉CdSe. Further analysis of HREM images optical diffraction (selected-area nanodiffraction) provided structural information orientation single nanocrystals with respect substrate allowed detection slight misalignments individual dots.

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