Thermodynamic Properties and Similarity of Stacked-Cup Multiwall Carbon Nanotubes and Graphite

被引：10

作者：

Kabo, Gennady J. ^{[1
,2
]}

Paulechka, Euzene ^{[1
,2
,3
]}

Blokhin, Andrey V. ^{[1
,2
]}

Voitkevich, Olga V. ^{[1
,2
]}

Liavitskaya, Tatsiana ^{[1
,2
,4
]}

Kabo, Andrey G. ^{[1
,2
]}

机构：

[1] Belarusian State Univ, Fac Chem, Leningradskaya 14, Minsk 220030, BELARUS

[2] Belarusian State Univ, Res Inst Phys Chem Problems, Leningradskaya 14, Minsk 220030, BELARUS

[3] NIST, Appl Chem & Mat Div, Boulder, CO 80305 USA

[4] Univ Alabama Birmingham, Dept Chem, Birmingham, AL 35294 USA

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2016年 / 61卷 / 11期

关键词：

TEMPERATURE SPECIFIC-HEAT; STANDARD ENTHALPIES; COMBUSTION; CAPACITY; NAPHTHALENE; CARBIDES; DIAMOND; GROWTH; NICKEL;

D O I：

10.1021/acs.jced.6b00525

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The heat capacity of stacked-cup multiwall carbon nanotubes (MWCNTs) was measured in an adiabatic calorimeter over the temperature range of (5 to 370) K. Results are compared with literature data on various samples of CNTs and other carbon allotropes. The relatively large scatter of the heat capatity data for CNTs is discussed. The energy of combustion for MWCNTs was determined by combustion calorimetry, and the enthalpy of formation was found to be Delta H-f degrees(m), = (0.6 +/- 0.9) kJ.mol(-1). It is demonstrated that the thermodynamic properties of MWCNTs at T > 200 K are close to those of graphite. Equilibria of the synthesis of MWCNTs were considered.

引用

页码：3849 / 3857

页数：9

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