期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 40, 期 16, 页码 6322-6327出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2020.01.043
关键词
N-doped graphene oxide; Calorimetry; Stability
资金
- Fluid Interface Reactions, Structures and Transport (FIRST) Center, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science and Office of Basic Energy Sciences [4000134953]
- Spanish Ministry of Economy and Competitiveness [MAT2017-86616-R]
- Severo Ochoa Programme for Centres of Excellence in RD [SEV-2015-0496]
The thermodynamic stability of a series of nitrogen - doped reduced graphene oxides prepared by ammonolysis of graphene oxide has been investigated by high temperature oxidation calorimetry. In terms of enthalpy and depending on the concentration of nitrogen, the nitrogen - doped reduced graphene oxides can be up to 73 kJ.mol(-1) more stable than graphite plus nitrogen. There is a linear relationship between the nitrogen content and the formation enthalpy, which indicates a decrease in stability with increasing nitrogen content.
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