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碳包覆金属纳米粒子.ppt

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Carbon Encapsulated Metal Nano-paricles 曹宏 ******@. Properties of Carbon . Atomic number: 6 Atomic weight: Group: Non-Metal Atomic volume: cm 3 /mol Shells: 2,4 Orbitals:1s 22s 2 2p 2 Melting point: 3825 (Sublimes 升华) ℃ Boiling point: 4827 ℃ Covalent radius: Atomic radius: Electronegativity: Ionic radius: .016 (+4)nm Structure Of Carbon . Structure Of Carbon . Structure Of Carbon . Structure Of Carbon . Structure Of Carbon . http:// . Contents 12 Instrumental methods Purpose ? 3 Potential application D ata storage, catalyst, imaging, targeting materials 4 Preparation methods G eneral, in our group; the role of core element Structure M orphology, electronic structure Morphology Preparation methods ? Arc discharge ? Chemical vapor deposition ? Pyrolysis ? Co-heat treatment ? Detonation chemistry ? Carbonization ? Self-bustion synthesis

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