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Multiply twinned C_60 and C_70 nanoparticles

机译:乘以孪生的C_60和C_70纳米粒子

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Nanoparticles of C_60 and C_70 prepared by aerosol flow reacotr method show a well developed morphology whn produced at sufficiently high temperautres. Hexagonal plate shaped, icosahedral and decagonal particles of C_60 and C_70 are formed. Moprhology and internal strucutre are studied by scanning and transmission electron microscopy. The plate-like particles are lamellar-twinned and grwon preferentially on the side-faces by nucleation of new molecular layers along re-entrant corners. The decagonal multiply twinned nanoparticles are strqined and show a distinct deviation from cubic symmetry. Some of the C_70 particles exhibit a modulated structure to accommodate the internal stress; this is possible because of the ellipsoidal shpae of the C_70 molecule.
机译:通过气溶胶流动重整法制备的C_60和C_70纳米颗粒在足够高的温度下显示出良好发展的形态。形成C_60和C_70的六边形板状,二十面体和十边形的颗粒。通过扫描和透射电子显微镜研究了形态学和内部构造。板状颗粒呈层状缠绕,并通过沿凹角拐角形成新的分子层而优先在侧面生长。十边形多重孪晶纳米粒子被缠结并显示出与立方对称性的明显偏差。一些C_70颗粒表现出调节的结构以适应内部应力。由于C_70分子呈椭圆形,这是可能的。

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