Oriented carbon films with novel structure were prepared by microwave plasma from heavy oil residue.The prepared films were characterized by field emission scanning electron microscopy,high resolution transmission ele...Oriented carbon films with novel structure were prepared by microwave plasma from heavy oil residue.The prepared films were characterized by field emission scanning electron microscopy,high resolution transmission electron microscopy,X-ray powder diffraction and Raman spectroscopy.The products were formed with high purity,and oriented as the shape of a strip-like wheat spike.The outer layers of the spike have a higher degree of crystallization,the maximum width and length are about 65 nm and 900 nm,respectively,while the central parts are amorphous.It was suggested that the products experienced a process from outer to inner growth.Some metals existed in the deoiled asphalt,such as Ni and Fe,may contribute as catalyst to the aligned carbon film growth.展开更多
基金“973”计划项目（2004CB217808）、国家自然科学基金资助项目（20676086）、教育部新世纪优秀人才支持计划项目（NCET-06-0262）、科技部国际科技合作计划项目（2007DFA50940）. Foundation item： National Natural Science Foundation of China （No. 20676086）.
文摘Oriented carbon films with novel structure were prepared by microwave plasma from heavy oil residue.The prepared films were characterized by field emission scanning electron microscopy,high resolution transmission electron microscopy,X-ray powder diffraction and Raman spectroscopy.The products were formed with high purity,and oriented as the shape of a strip-like wheat spike.The outer layers of the spike have a higher degree of crystallization,the maximum width and length are about 65 nm and 900 nm,respectively,while the central parts are amorphous.It was suggested that the products experienced a process from outer to inner growth.Some metals existed in the deoiled asphalt,such as Ni and Fe,may contribute as catalyst to the aligned carbon film growth.
