Synthesis of carbon spheres by atmospheric pressure chemical vapor deposition from a serial of aromatic hydrocarbon precursors

被引：24

作者：

Judith Gutierrez-Garcia, Carmen ^{[1
]}

Madai Ambriz-Torres, Jael ^{[1
]}

de Jesus Contreras-Navarrete, Jose ^{[1
]}

Gabriel Granados-Martinez, Francisco ^{[1
]}

Litzajaya Garcia-Ruiz, Diana ^{[1
]}

Garcia-Gonzalez, Leandro ^{[2
]}

Zamora-Peredo, Luis ^{[2
]}

Fernando Ortega-Varela, Luis ^{[1
]}

Richaud, Arlette ^{[3
]}

Mendez, Francisco ^{[3
]}

Domratcheva-Lvova, Lada ^{[1
]}

机构：

[1] Univ Michoacana, Ave Francisco J Mugica,S-N,Ciudad Univ, Morelia 58030, Michoacan, Mexico

[2] Univ Veracruzana, Ctr Invest Micro & Nanotecnol, Calzada Ruiz Cortines 455, Boca Del Rio 94294, Veracruz, Mexico

[3] Univ Autonoma Metropolitana, Unidad Iztapalapa, Div Ciencias Basicas & Ingn, Dept Quim, AP 55-534, Mexico City 09340, DF, Mexico

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2019年 / 112卷

关键词：

Carbon nanostructures; Chemical vapor deposition; Carbon spheres; LARGE-SCALE SYNTHESIS; NANOTUBES; GROWTH; NANOSPHERES; CARBONIZATION; PYROLYSIS; SPHERULES; SUBSTRATE; CATALYST; TEXTURE;

D O I：

10.1016/j.physe.2019.04.007

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Uniform shaped carbon spheres, a material with several potential applications, were synthesized from a serial of aromatic hydrocarbon pyrolysis precursors (benzene, naphthalene, anthracene and pyrene), by chemical vapor deposition at atmospheric pressure, and at moderately low temperatures with stainless steel catalyst. A high carbon sphere yield, without secondary products, was achieved at temperatures above 850 degrees C. Sphere diameters decrease, in some cases, according to the temperature increments. Field emission scanning electron microscopy images show a completely solid core. Raman and Fourier transform infrared spectra suggest a larger amount of CHx bonds on the sphere surface with major curvature. Spheres are formed by small crystalline graphene flakes, observed by high resolution transmission electron microscopy and confirmed by the G band intensity in Raman spectra and X-ray diffraction signals.

引用

页码：78 / 85

页数：8

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