Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 102: Issue 2
Thermal stability of carbon nanotubes
Authors:
F. Xu Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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L. Sun Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, People’s Republic of China

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J. Zhang Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, People’s Republic of China

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Y. Qi Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, People’s Republic of China

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L. Yang Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, 116023 Dalian, People’s Republic of China

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H. Ru Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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C. Wang Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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X. Meng Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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X. Lan Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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Q. Jiao Chemistry and Chemical Engineering College, Liaoning Normal University, 850 Huanghe Road, 116029 Dalian, People’s Republic of China

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F. Huang State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, 100081 Beijing, People’s Republic of China

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Pages:
785–791
Online Publication Date:
05 May 2010
Publication Date:
01 Nov 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-010-0793-x
Keywords:
CNTs; Heat capacity; Thermodynamic properties; Thermal stability; MDSC; TG-DTG-DSC
Restricted access

Abstract  

Heat capacities of the carbon nanotubes (CNTs) with different sizes have been measured by modulated temperature differential scanning calorimetry (MDSC) and reported for the first time. The results indicated the values of Cp increased with shortening length of CNTs when the diameters of CNTs were between 60 and 100 nm. However, the values of Cp of CNTs were not affected by their diameter when the lengths of CNTs were 1–2 um, or not affected by the length of CNTs when their diameters were below 10 nm. The thermal stabilities of the CNTs have been studied by TG-DTG-DSC. The results of TG-DTG showed that thermal stabilities of CNTs were enhanced with their diameters increase. With lengths increase, the thermal stabilities of CNTs increased when their diameters were between 60 and 100 nm, but there is a slight decrease when their diameters were less than 60 nm. The further DSC analyses showed both released heat and Tonset increased with the increase of CNTs diameters, which confirms the consistency of the results from both TG-DTG and DSC on CNTs thermal stability.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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