Hubble Lee J, Raston Colin L
Centre for Forensic Science, University of Western Australia, 35 Stirling Highway, Crawley, 6009, Australia.
Chemistry. 2007;13(23):6755-60. doi: 10.1002/chem.200700339.
Mixing solutions of p-tBu-calix[5]arene and C(60) in toluene results in a 1:1 complex (C(60)) intersection(p-tBu-calix[5]arene), which precipitates as nanofibers. The principle structural unit is based on a host-guest ball-and-socket nanostructure of the two components, with an extended structure comprising zigzag/helical arrays of fullerenes (powder X-ray diffraction data coupled with molecular modeling). Under argon at temperatures above 309 degrees C, the fibers undergo selective volatilization of the calixarenes to afford C(60)-core nanostructures encapsulated in a graphitic material sheath, which exhibits a dramatic increase in surface area. Above 650 degrees C the material exhibits an ohmic conductance response, due to the encapsulation process.
将对叔丁基杯[5]芳烃和C(60)的溶液在甲苯中混合会生成1:1的配合物（C(60)）交（对叔丁基杯[5]芳烃），其以纳米纤维形式沉淀。主要结构单元基于两种组分的主客体球窝纳米结构，具有由富勒烯的锯齿形/螺旋阵列组成的扩展结构（粉末X射线衍射数据与分子建模相结合）。在氩气氛围中，温度高于309℃时，纤维中的杯芳烃会选择性挥发，从而得到包裹在石墨材料鞘中的C(60)核纳米结构，其表面积显著增加。在650℃以上，由于封装过程，该材料呈现欧姆电导响应。
