Role of Structural Chemistry in Materials Science
Role of Structural Chemistry in Materials Science
C Crystal Structures Graphite Diamond Structures Diamond:Insulator or wide bandgap semiconductor:-→→→→→→ "Graphite:Planar structure.-→-y-→ sp2 bonding 2d metal (in plane) Structure makes the difference Other Carbon Crystal Structures “Buckyballs”(Co) →→>→→→ “Buckytubes”(nanotubes) other fullerenes→→→
Graphite & Diamond Structures Diamond: Insulator or wide bandgap semiconductor: Graphite: Planar structure: sp2 bonding 2d metal (in plane) Other Carbon Crystal Structures “Buckyballs” (C60) “Buckytubes” (nanotubes), other fullerenes C Crystal Structures Structure makes the difference
The many faces of sp2-bonded carbon OD 1D fullerenes carbon nanotubes(CNTs) graphite graphene 2D Graphene:a monolayer of two- dimensional carbon atoms
Zheng LS(郑兰荪),etal. Capturing the labile fullerene[50]as C50C110 SCIENCE304(5671):699-699APR302004
Zheng LS (郑兰荪), et al. Capturing the labile fullerene[50] as C50Cl10 SCIENCE 304 (5671): 699-699 APR 30 2004
壳层隔绝纳米粒子增强拉曼光谱(SHINERS) 可以适用于任何的基底 Silica or alumina shell SiO2 Silica 材料和任何形状的电极 Shell (单晶)表面和体系, 极大拓宽了拉曼光谱的 Au core 通用性 Any substrate&morphology Au core nature Vol 464 18 March 2010 doi:10.1038/nature08907 LETTERS Nature,2010,464,392-395 Shell-isolated nanoparticle-enhanced Raman spectroscopy Jian Feng Li',Yi Fan Huang',Yong Ding",Zhi Lin Yang',Song Bo Li',Xiao Shun Zhou',Feng Ru Fan'2,Wei Zhang', Zhi You Zhou',De Yin Wu',Bin Ren',Zhong Lin Wang?&Zhong Qun Tian
27 壳层隔绝纳米粒子增强拉曼光谱 (SHINERS ) 可以适用于任何的基底 材料和任何形状的电极 (单晶)表面和体系, 极大拓宽了拉曼光谱的 通用性 Au core Silica Shell Nature, 2010, 464, 392–395 SiO 2