4.8 Article

Synthesis of Ultrasmall Cu2O Nanocubes and Octahedra with Tunable Sizes for Facet-Dependent Optical Property Examination

Journal

SMALL
Volume 12, Issue 26, Pages 3530-3534

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201600064

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Funding

  1. Ministry of Science and Technology of Taiwan [NSC 101-2113-M-007-018-MY3, MOST 104-2119-M-007-013-MY3]

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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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