title: Synthesis of Ultrasmall Cu2 O Nanocubes and Octahedra with Tunable Sizes for Facet-Dependent Optical Property Examination.
abstract: Size-tunable small to ultrasmall Cu2 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 Cu2 O nanoparticles, showing nanocubes always have a more redshifted absorption band than that of octahedra having a similar volume by about 15 nm.
authors.affiliation: Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.
authors.forename: Wei-Hong
authors.initials: WH
authors.lastname: Ke
authors.affiliation: Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.
authors.forename: Chi-Fu
authors.initials: CF
authors.lastname: Hsia
authors.affiliation: Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.
authors.forename: Ying-Jui
authors.initials: YJ
authors.lastname: Chen
authors.affiliation: Department of Chemistry, National Tsing Hua University, Hsinchu, 30013, Taiwan.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Huang
keywords: cuprous oxide; facet-dependent properties; nanocrystals; optical properties; ultrasmall nanoparticles