A single-source route to bulk samples of C3N and the co-evolution of graphitic carbon microspheres

作者：King Timothy C; Matthews Peter D; Pedro Holgado Juan; Jefferson David A; Lambert Richard M; Alavi Au; Wright Dominic S^*

来源：Carbon, 2013, 64: 6-10.

DOI：10.1016/j.carbon.2013.04.043

The thermolysis of commercially available m-phenylenediamine (1,3-(NH2)(2)C6H4) at 800 degrees C under a static vacuum in a sealed quartz tube provides the first bulk synthesis of C3N, whose properties have only been predicted theoretically previously. Hollow carbon microspheres (CMSs) which do not contain significant nitrogen doping (1-3 mu m diameter) are co-produced in the reaction and readily separated from the C3N flakes. The separate C3N flakes and CMSs have been characterized by electron microscopy, X-ray spectroscopy and X-ray diffraction. These studies show that the samples of C3N and CMSs both possess multi-layered turbostratic graphitic structures. A new mechanism for the template-free assembly of CMSs is proposed on the basis of electron microscopy that involves bubble evolution from a static carbonized layer.

• 出版日期2013-11