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Synthesis of Ultrasmall Cu 2 O Nanocubes and Octahedra with Tunable Sizes for Facet‐Dependent Optical Property Examination
Author(s) -
Ke WeiHong,
Hsia ChiFu,
Chen YingJui,
Huang Michael H.
Publication year - 2016
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201600064
Subject(s) - octahedron , materials science , facet (psychology) , absorption (acoustics) , aqueous solution , nanocrystal , nanoparticle , blueshift , pulmonary surfactant , absorption spectroscopy , nanotechnology , crystallography , chemical engineering , photoluminescence , optics , optoelectronics , chemistry , crystal structure , physics , psychology , social psychology , personality , composite material , big five personality traits , engineering
Size‐tunable small to ultrasmall Cu 2 O nanocubes and octahedra are synthesized in aqueous solution without the introduction of any surfactant. These nanocrystals provide strong evidence of the existence of facet‐dependent optical absorption properties of Cu 2 O nanoparticles, showing nanocubes always have a more redshifted absorption band than that of octahedra having a similar volume by about 15 nm.