STUDY OF OXYGEN-CONTAINING GROUPS IN A SERIES OF GRAPHITE OXIDES - PHYSICAL AND CHEMICAL CHARACTERIZATION

被引:981
作者
HONTORIALUCAS, C
LOPEZPEINADO, AJ
LOPEZGONZALEZ, JDD
ROJASCERVANTES, ML
MARTINARANDA, RM
机构
[1] Departamento de Química Inorgánica y Técnica (U.N.E.D.), 28040 Madrid, c/ Senda del Rey s/n
关键词
GRAPHITE; GRAPHITE OXIDES; FUNCTIONAL GROUP;
D O I
10.1016/0008-6223(95)00120-3
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Some graphite oxides with different degrees of oxidation have been prepared by using a modified Staudenmaier method. The oxidation process has been studied by using different techniques: elementary analysis, gas adsorption, X-ray diffraction, FT-IR, XPS and C-13-NMR. The influence of the oxidation degree on the appearance and evolution of new chemical groups in the samples has been analyzed. The oxidation process produces a development of porosity, especially microporosity. FT-IR, XPS and C-13-NMR are complementary techniques, which confirm the existence of hydroxyl, carbonyl, ether, epoxy, and peroxy groups in the more oxidized samples. These surface groups may play an important role in the acid-base bifunctional catalysis.
引用
收藏
页码:1585 / 1592
页数:8
相关论文
共 38 条
[11]  
Hofmann U, 1931, Z ELKTROCHEM ANGEW P, V37, P613
[12]  
HONTORIALUCAS C, 1993, 21ST BIENN C CARB BU, P553
[13]  
HONTORIALUCAS C, 1994, THESIS U NACIONAL ED
[14]  
KAGANER MG, 1959, ZH FIZ KHIM+, V33, P2202
[15]   CHARACTERIZATION OF LOW THERMAL-CONDUCTIVITY PAN-BASED CARBON-FIBERS [J].
KATZMAN, HA ;
ADAMS, PM ;
LE, TD ;
HEMMINGER, CS .
CARBON, 1994, 32 (03) :379-391
[16]  
LOPEZGONZALEZ JD, 1993, CARBON, V31, P1231
[17]  
LOPEZGONZALEZ JDD, 1976, AN QUIM, V72, P759
[18]  
LOPEZGONZALEZ JDD, 1969, CARBON, V7, P583
[19]   C-13 NMR AND FTIR STUDY OF THERMAL ANNEALING OF AMORPHOUS HYDROGENATED CARBON [J].
LUKINS, PB ;
MCKENZIE, DR ;
VASSALLO, AM ;
HANNA, JV .
CARBON, 1993, 31 (04) :569-575
[20]   TPD AND XPS STUDIES OF O-2, CO2, AND H2O ADSORPTION ON CLEAN POLYCRYSTALLINE GRAPHITE [J].
MARCHON, B ;
CARRAZZA, J ;
HEINEMANN, H ;
SOMORJAI, GA .
CARBON, 1988, 26 (04) :507-514