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Rapid annealing and cooling induced surface cleaning of semiconducting carbon nanotubes for high-performance thin-film transistors
Yao, Jian; Li, Yijun; Li, Yahui; Sui, Qicheng; Wen, Haijian; Cao, Leitao; Cao, Pei; Kang, Lixing; Tang, Jianshi; Jin, Hehua; Qiu, Song; Li, Qingwen
2021
Source PublicationPERGAMON-ELSEVIER SCIENCE LTD
ISSN0008-6223
Volume184Pages:764
AbstractSemiconducting single-walled carbon nanotube (s-SWCNT) films require high-quality preparation and optimization for use in carbon-based electronic devices. Tremendous progress has been made in sSWCNTs sorting technology with conjugated polymers to obtain high-purity s-SWCNT films. However, one drawback of this technology is residual polymer wrapping on s-SWCNT surfaces. These residual polymers have poor conductivity, impeding the charge transport between the nanotube-electrode and the nanotube-nanotube. To address this issue, a rapid annealing and cooling method was developed for cleaning the s-SWCNT films, which can thoroughly remove the wrapped polymers from the surfaces of sSWCNTs, effectively reducing the contact resistance between the nanotube-metal electrode and the nanotube-nanotube. Our results show that thin-film transistors made of cleaned s-SWCNTs exhibited improved performance when compared with pristine s-SWCNT films rinsed with an organic solvent. The contact resistance between the s-SWCNTs and the electrode was reduced by 700%, while the on-state current density of the CNT-TFTs increased by nearly 600%. These results thus demonstrated the effectiveness of our developed method for removing polymers from the surfaces of s-SWCNTs, which is essential for the further development of carbon nanotube electronic devices and circuits. (c) 2021 Elsevier Ltd. All rights reserved.
KeywordSingle-walled carbon nanotube Thin-film Rapid annealing and cooling CNT-TFTs
Document Type期刊论文
Identifierhttp://ir.sari.ac.cn/handle/39PL6PPA/151
Collection中国科学院上海高等研究院
Recommended Citation
GB/T 7714
Yao, Jian,Li, Yijun,Li, Yahui,et al. Rapid annealing and cooling induced surface cleaning of semiconducting carbon nanotubes for high-performance thin-film transistors[J]. PERGAMON-ELSEVIER SCIENCE LTD,2021,184:764.
APA Yao, Jian.,Li, Yijun.,Li, Yahui.,Sui, Qicheng.,Wen, Haijian.,...&Li, Qingwen.(2021).Rapid annealing and cooling induced surface cleaning of semiconducting carbon nanotubes for high-performance thin-film transistors.PERGAMON-ELSEVIER SCIENCE LTD,184,764.
MLA Yao, Jian,et al."Rapid annealing and cooling induced surface cleaning of semiconducting carbon nanotubes for high-performance thin-film transistors".PERGAMON-ELSEVIER SCIENCE LTD 184(2021):764.
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