High-Temperature Carbonization of Humic Acids and a Composite of Humic Acids with Graphene Oxide

被引：5

作者：

Baskakov, S. A. ^{[1
]}

Lobach, A. S. ^{[1
]}

Vasil'ev, S. G. ^{[1
]}

Dremova, N. N. ^{[1
]}

Martynenko, V. M. ^{[1
]}

Arbuzov, A. A. ^{[1
]}

Baskakova, Yu. V. ^{[1
]}

Volodin, A. A. ^{[1
]}

Volkov, V. I. ^{[1
]}

Kazakov, V. A. ^{[2
]}

Shul'ga, Yu. M. ^{[3
]}

机构：

[1] Russian Acad Sci, Inst Problems Chem Phys, Pr Akad Semenova 1, Chernogolovka 142432, Moscow Oblast, Russia

[2] Keldysh Res Ctr, Onezhskaya Ul 8, Moscow 125438, Russia

[3] Natl Univ Sci & Technol MISiS NITU MISiS, Leninskii Pr 4, Moscow 119049, Russia

来源：

HIGH ENERGY CHEMISTRY | 2016年 / 50卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

GRAPHITE OXIDE; C-13; NMR; EXFOLIATION; REDUCTION;

D O I：

10.1134/S0018143916010021

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：

Humic acids (HAs) isolated from high-moor peat have been studied by magic-angle spinning solid-state nuclear magnetic resonance (NMR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetry (TG), and Raman spectroscopy. A composite of HAs with graphene oxide (GO) has been prepared for the first time, and the thermal carbonization (900 degrees C) of both HAs and the HA-GO composite has been carried out. With the use of mass spectrometry, it has been found that CO2 and H2O molecules are mainly released from HAs into the gas phase at a low temperature (to 150 degrees C). At higher temperatures, carbon monoxide and different low-molecular-weight hydrocarbons also begin to be released. From microscopic examinations, it follows that HA forms small agglomerates with sharply outlined edges as a result of carbonization, whereas the composite forms only large aggregates.

引用

页码：43 / 50

页数：8

共 50 条

[1] High-temperature carbonization of humic acids and a composite of humic acids with graphene oxide
S. A. Baskakov
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