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题名: Thermal stability of carbon nanotubes
作者: Xu, F.2;  Sun, L. X.1;  Zhang, J.1;  Qi, Y. N.1;  Yang, L. N.1;  Ru, H. Y.2;  Wang, C. Y.2;  Meng, X.2;  Lan, X. F.2;  Jiao, Q. Z.2;  Huang, F. L.3
关键词: CNTs ;  Heat capacity ;  Thermodynamic properties ;  Thermal stability ;  MDSC ;  TG-DTG-DSC
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2010-11-01
DOI: 10.1007/s10973-010-0793-x
卷: 102, 期:2, 页:785-791
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: 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 C (p) increased with shortening length of CNTs when the diameters of CNTs were between 60 and 100 nm. However, the values of C (p) 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 T (onset) increased with the increase of CNTs diameters, which confirms the consistency of the results from both TG-DTG and DSC on CNTs thermal stability.
关键词[WOS]: TEMPERATURE HEAT-CAPACITY ;  HYDROGEN STORAGE ;  DSC
语种: 英语
WOS记录号: WOS:000283090400052
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141905
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
2.Liaoning Normal Univ, Coll Chem & Chem Engn, Dalian 116029, Peoples R China
3.Beijing Inst Technol, State Key Lab Explos Sci & Technol, Beijing 100081, Peoples R China

Recommended Citation:
Xu, F.,Sun, L. X.,Zhang, J.,et al. Thermal stability of carbon nanotubes[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2010,102(2):785-791.
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