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DOI | 10.1039/c7ee01130j |
Large n- and p-type thermoelectric power factors from doped semiconducting single-walled carbon nanotube thin films | |
Macleod B.A.; Stanton N.J.; Gould I.E.; Wesenberg D.; Ihly R.; Owczarczyk Z.R.; Hurst K.E.; Fewox C.S.; Folmar C.N.; Holman Hughes K.; Zink B.L.; Blackburn J.L.; Ferguson A.J. | |
发表日期 | 2017 |
ISSN | 17545692 |
起始页码 | 2168 |
结束页码 | 2179 |
卷号 | 10期号:10 |
英文摘要 | Lightweight, robust, and flexible single-walled carbon nanotube (SWCNT) materials can be processed inexpensively using solution-based techniques, similar to other organic semiconductors. In contrast to many semiconducting polymers, semiconducting SWCNTs (s-SWCNTs) represent unique one-dimensional organic semiconductors with chemical and physical properties that facilitate equivalent transport of electrons and holes. These factors have driven increasing attention to employing s-SWCNTs for electronic and energy harvesting applications, including thermoelectric (TE) generators. Here we demonstrate a combination of ink chemistry, solid-state polymer removal, and charge-transfer doping strategies that enable unprecedented n-type and p-type TE power factors, in the range of 700 μW m-1 K-2 at 298 K for the same solution-processed highly enriched thin films containing 100% s-SWCNTs. We also demonstrate that the thermal conductivity appears to decrease with decreasing s-SWCNT diameter, leading to a peak material zT ≈ 0.12 for s-SWCNTs with diameters in the range of 1.0 nm. Our results indicate that the TE performance of s-SWCNT-only material systems is approaching that of traditional inorganic semiconductors, paving the way for these materials to be used as the primary components for efficient, all-organic TE generators. © The Royal Society of Chemistry. |
英文关键词 | Carbon films; Carbon nanotubes; Charge transfer; Electric generators; Electric power factor; Energy harvesting; Nanotubes; Organic polymers; Polymer films; Polymers; Semiconducting films; Semiconducting polymers; Semiconductor doping; Thermal conductivity; Thermoelectric power; Thin films; Yarn; Charge transfer doping; Chemical and physical properties; Electrons and holes; Inorganic semiconductors; Semiconducting-SWCNTs; Singlewalled carbon nanotube (SWCNT); Solution-processed; Thermoelectric power factors; Single-walled carbon nanotubes (SWCN); carbon nanotube; electrical conductivity; electricity generation; electron; film; physicochemical property; polymer; thermal conductivity; thermal power |
语种 | 英语 |
来源期刊 | Energy & Environmental Science |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/190394 |
作者单位 | Chemistry and Nanoscience Center, National Renewable Energy Laboratory, Golden, CO 80401, United States; International Thermodyne, Inc., Charlotte, NC, United States; Department of Physics and Astronomy, University of Denver, Denver, CO 80208, United States |
推荐引用方式 GB/T 7714 | Macleod B.A.,Stanton N.J.,Gould I.E.,et al. Large n- and p-type thermoelectric power factors from doped semiconducting single-walled carbon nanotube thin films[J],2017,10(10). |
APA | Macleod B.A..,Stanton N.J..,Gould I.E..,Wesenberg D..,Ihly R..,...&Ferguson A.J..(2017).Large n- and p-type thermoelectric power factors from doped semiconducting single-walled carbon nanotube thin films.Energy & Environmental Science,10(10). |
MLA | Macleod B.A.,et al."Large n- and p-type thermoelectric power factors from doped semiconducting single-walled carbon nanotube thin films".Energy & Environmental Science 10.10(2017). |
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