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Large Seebeck Coefficients of Protonated Titanate Nanotubes for High-Temperature Thermoelectric Conversion
Miao, L.1; Tanemura, S.1,2; Huang, R.1,3; Liu, C. Y.1; Huang, C. M.1; Xu, G.1
2010-08-01
发表期刊ACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
卷号2期号:8页码:2355-2359
产权排序[Miao, L.; Tanemura, S.; Huang, R.; Liu, C. Y.; Huang, C. M.; Xu, G.] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrates, Guangzhou 510640, Guangdong, Peoples R China; [Tanemura, S.] Japan Fine Ceram Ctr, Nanostruct Res Lab, Atsuta Ku, Nagoya, Aichi 4568587, Japan; [Huang, R.] E China Normal Univ, Key Lab Polar Mat & Devices, Minist Educ, Shanghai 200062, Peoples R China
通讯作者miaolei@ms.giec.ac.cn
摘要Titanate nanotubes Na(2-x)H(x)Ti(3)O(7) produced by alkali hydrothermally treated ground. TiO(2) aerogels are investigated as possible materials for high-temperature thermoelectric conversion by measuring their thermoelectric properties. Strikingly the Seebeck coefficients increased sharply in the temperature range 745 to 1032 K reaching a maximum of 302 mu V/K. The electrical resistivity of the TNNTs ranged from 325 to 525 Omega m, which is lower than that of bulk TiO(2), and thermal conductivities at room temperature were also very low ranging from 0.55 to 0.75 Wm(-1) K(-1). The hollow structure of the titanate nanotubes with small, uniform diameters is thought to be responsible for the ultralow thermal conductivity. The large thermoelectric power and ultralow thermal conductivity suggest that titanate nanotubes represent a new kind of p-type oxide thermoelectric material.
文章类型Article
其他摘要Titanate nanotubes Na(2-x)H(x)Ti(3)O(7) produced by alkali hydrothermally treated ground. TiO(2) aerogels are investigated as possible materials for high-temperature thermoelectric conversion by measuring their thermoelectric properties. Strikingly the Seebeck coefficients increased sharply in the temperature range 745 to 1032 K reaching a maximum of 302 mu V/K. The electrical resistivity of the TNNTs ranged from 325 to 525 Omega m, which is lower than that of bulk TiO(2), and thermal conductivities at room temperature were also very low ranging from 0.55 to 0.75 Wm(-1) K(-1). The hollow structure of the titanate nanotubes with small, uniform diameters is thought to be responsible for the ultralow thermal conductivity. The large thermoelectric power and ultralow thermal conductivity suggest that titanate nanotubes represent a new kind of p-type oxide thermoelectric material.
关键词Thermoelectric Conversion Seebeck Coefficients Titanate Nanotubes Oxide Nanomaterials
学科领域Science & Technology - Other Topics ; Materials Science
WOS标题词Science & Technology ; Technology
DOI10.1021/am100365y
研究领域[WOS]Science & Technology - Other Topics ; Materials Science
URL查看原文
关键词[WOS]TIO2 NANOTUBES ; NANOSTRUCTURES ; PERFORMANCE ; NANOWIRES ; HYDROGEN ; DEVICES ; SRTIO3 ; MERIT ; FILMS
收录类别SCI
语种英语
项目资助者Guangdong Natural Science Foundation [9151007006000009]; Guangdong Provincial Science and Technology [2009B010900047]
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000281109300028
引用统计
被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/8490
专题中国科学院广州能源研究所
太阳能系统应用实验室
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrates, Guangzhou 510640, Guangdong, Peoples R China
2.Japan Fine Ceram Ctr, Nanostruct Res Lab, Atsuta Ku, Nagoya, Aichi 4568587, Japan
3.E China Normal Univ, Key Lab Polar Mat & Devices, Minist Educ, Shanghai 200062, Peoples R China
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GB/T 7714
Miao, L.,Tanemura, S.,Huang, R.,et al. Large Seebeck Coefficients of Protonated Titanate Nanotubes for High-Temperature Thermoelectric Conversion[J]. ACS APPLIED MATERIALS & INTERFACES,2010,2(8):2355-2359.
APA Miao, L.,Tanemura, S.,Huang, R.,Liu, C. Y.,Huang, C. M.,&Xu, G..(2010).Large Seebeck Coefficients of Protonated Titanate Nanotubes for High-Temperature Thermoelectric Conversion.ACS APPLIED MATERIALS & INTERFACES,2(8),2355-2359.
MLA Miao, L.,et al."Large Seebeck Coefficients of Protonated Titanate Nanotubes for High-Temperature Thermoelectric Conversion".ACS APPLIED MATERIALS & INTERFACES 2.8(2010):2355-2359.
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