期刊
MATERIALS LETTERS
卷 65, 期 21-22, 页码 3245-3247出版社
ELSEVIER
DOI: 10.1016/j.matlet.2011.07.003
关键词
Ferritin; Copper sulfide; Nanoparticle; Bio-template; Compound semiconductor
资金
- PRESTO
- JST
- Kakenhi (Wakate B)
- Grants-in-Aid for Scientific Research [23651112] Funding Source: KAKEN
CuS compound semiconductor nanoparticles (NPs) were prepared in the 7 nm inner cavity of apoferritin, a cage-shaped protein composed of 24 subunits forming a cage-like structure, 12 nm in diameter. The average core diameter of the NPs synthesized in the apoferritin cavity was 5 nm with narrow size distribution. The synthesized NP cores were analyzed and confirmed by EDS, XRD and HR-TEM as hexagonal poly crystalline. The CuS NP core synthesis took 3 h and the synthesis manner was all-or-nothing core formation. This water-soluble and homogeneous CuS semiconductor NP has the potential to be used in the construction of nanostructures. (C) 2011 Elsevier BM. All rights reserved.
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