期刊
RSC ADVANCES
卷 3, 期 41, 页码 19051-19056出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra43308k
关键词
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资金
- Singapore-Peking-Oxford Research Enterprise [COY-15-EWI-RCFSA/N197-1]
- National Research Foundation [R-144-000-295-281]
A composite made from copper oxide (CuO) and exfoliated graphene (G) was synthesized by sintering a Cu-based metal-organic framework (Cu-MOF) embedded with exfoliated G. The G-embedded Cu-MOF was first synthesized by the self-assembly process of Cu(NO3)(2)center dot 6H(2)O and DMTA (2,5-imethoxyterephthalatic acid) in the presence of exfoliated, few-layer G in the range of 2-5 mu m. 5 wt% exfoliated G was incorporated into the MOF as an impurity. The X-Ray diffraction studies of the composite show that the characteristics of the few-layer G can be observed along with (hkl) lines of Cu-MOF. Upon heating, the Cu-MOF-G system decomposes to form a conductive composite consisting of sheet-like CuO and G sheets. Due to the ability of G to act as conductive additive, the CuO-G composite delivers improved electrochemical properties and stable cycling compared to pure CuO, the Cu-MOF or physically mixed Cu-MOF-G composites.
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