Synthesis of Ultrasmall Cu2O Nanocubes and Octahedra with Tunable Sizes for Facet-Dependent Optical Property Examination
Wei-Hong Ke
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorChi-Fu Hsia
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorYing-Jui Chen
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorCorresponding Author
Michael H. Huang
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
E-mail: [email protected]Search for more papers by this authorWei-Hong Ke
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorChi-Fu Hsia
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorYing-Jui Chen
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
Search for more papers by this authorCorresponding Author
Michael H. Huang
Department of Chemistry, National Tsing Hua University, Hsinchu, 30013 Taiwan
E-mail: [email protected]Search for more papers by this authorGraphical Abstract
Size-tunable small to ultrasmall Cu2O 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 Cu2O nanoparticles, showing nanocubes always have a more redshifted absorption band than that of octahedra having a similar volume by about 15 nm.
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