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Single-walled carbon nanotube (SWCNT) films are promising materials for transparent conductive films (TCFs) with potential applications in flexible displays, touch screens, solar cells and solid-state lighting1,2. However, further…

Materials Science · Physics 2019-09-27 Qiang Zhang , Weiya Zhou , Kewei Li , Nan Zhang , Yanchun Wang , Zhuojian Xiao , Qingxia Fan , Sishen Xie

Transparent and conductive films (TCFs) are of great technological importance. The high transmittance, electrical conductivity and mechanical strength make single-walled carbon nanotubes (SWCNTs) a good candidate for their raw material.…

The ultimate performance - ratio of electrical conductivity to optical absorbance - of single- walled carbon nanotube (SWCNTs) transparent conductive films (TCFs) is an issue of considerable application relevance. Here, we present direct…

Mesoscale and Nanoscale Physics · Physics 2016-02-01 Kimmo Mustonen , Patrik Laiho , Antti Kaskela , Toma Susi , Albert G. Nasibulin , Esko I. Kauppinen

Semiconducting single-walled carbon nanotubes (SWCNTs) are a promising thermoelectric material with high power factors after chemical p- or n-doping. Understanding the impact of dopant counterions on charge transport and thermoelectric…

Networks of semiconducting single-walled carbon nanotubes (SWNTs) are a promising material for thermoelectric energy harvesting due to their mechanical flexibility, solution processability, high Seebeck coefficients and high electrical…

We found a giant Seebeck effect in semiconducting single-wall carbon nanotube (SWCNT) films, which exhibited a performance comparable to that of commercial Bi2Te3 alloys. Carrier doping of semiconducting SWCNT films further improved the…

Mesoscale and Nanoscale Physics · Physics 2014-01-30 Yusuke Nakai , Kazuya Honda , Kazuhiro Yanagi , Hiromichi Kataura , Teppei Kato , Takahiro Yamamoto , Yutaka Maniwa

We evaluated the doping effect of two types of multiwall carbon nanotube (CNT) with different aspect ratios on MgB2/Fe monofilament wires. Relationships between microstructure, magnetic critical current density (Jc), critical temperature…

Superconductivity · Physics 2009-11-11 J. H. Kim , W. K. Yeoh , M. J. Qin , X. Xu , S. X. Dou

We present ab initio calculations on the band structure and density of states of single wall semiconducting carbon nanotubes with high degrees (up to 25%) of B, Si and N substitution. The doping process consists of two phases: different…

Mesoscale and Nanoscale Physics · Physics 2015-01-13 E. Tetik

We have taken advantage of the native surface roughness and the iron content of AISI 316 stainless steel to direct grow multi-walled carbon nanotube (MWCNT) random networks by chemical vapor deposition (CVD) at low-temperature ($<…

Nitrogen doped single wall carbon nanotubes have many functional benefits. Doping opens the possibility to control the electronic energy levels, surface energy, surface reactivity and charge carrier density. The additional electron in the…

Materials Science · Physics 2021-02-01 Filippo Fedi , Oleg Domanov , Paola Ayala , Thomas Pichler

The superconductivity of the 4-angstrom single-walled carbon nanotubes (SWCNTs) was discovered more than a decade ago, and marked the breakthrough of finding superconductivity in pure elemental undoped carbon compounds. The van Hove…

Superconductivity · Physics 2017-07-18 C. H. Wong , E. A. Buntov , R. E. Kasimova , A. F. Zatsepin

Defects in single-walled carbon nanotubes (SWCNTs) degrade their mechanical,electrical, and thermal properties, limiting their potential applications. To realize the diverse applications of SWCNTs, it is essential to enhance their…

Materials Science · Physics 2025-04-01 Man Shen , Taiki Inoue , Mengyue Wang , Yuanjia Liu , Yoshihiro Kobayashi

We show that non-damped acoustic plasmons exist in single wall carbon nanotubes (SWCNT) and propose that the non-damped acoustic plasmons may mediate electron-electron attraction and result in superconductivity in the SWCNT. The…

Superconductivity · Physics 2007-05-23 Zheng-Mao Sheng , Guoxiang Huang

We perform first-principles calculations to investigate the structural and electronic properties of metal-doped (10, 0) carbon nanotubes (CNTs) on a single hexagonal boron nitride (hBN) sheet in the presence of an external electric field.…

Mesoscale and Nanoscale Physics · Physics 2015-07-22 Seoung-Hun Kang , Gunn Kim , Young-Kyun Kwon

We experimentally demonstrate laser-driven deposition of single-walled carbon nanotubes (CNTs) in suspended core fibers (SCFs) for the first time. Two samples for each SCF type with three (SCF1) and four (SCF2) air holes are individually…

Short channel (~80 nm) n-type single-walled carbon nanotube (SWNT) field-effect transistors (FETs) with potassium (K) doped source and drain regions and high-k gate dielectrics (ALD HfO2) are obtained. For nanotubes with diameter ~ 1.6 nm…

Materials Science · Physics 2015-06-24 Ali Javey , Ryan Tu , Damon Farmer , Jing Guo , Roy Gordon , Hongjie Dai

Present work focuses on the effective doping of multi-walled carbon nanotube (CNT) in the ZnS:Cu phosphor system and thereafter improvement in the optical performance of electroluminescent (EL) device due to the effect of increased local…

Materials Science · Physics 2013-08-20 Deepika Yadav , Dileep Dwivedi , Savvi Mishra , B. Sivaiah , A. Dhar , V. Shanker , D. Haranath

In this work, tin oxide (SnO2)/multi-walled carbon nanotube (MWCNT) composite based ethanol sensor that exhibits fast response/recovery behaviour, large sensitivity, and good selectivity was demonstrated. First, Pd doped SnO2 (SnO2-Pd)…

Applied Physics · Physics 2019-06-10 Cihat Tasaltin

Identifying a nanostructure suitable for hydrogen storage presents a promising avenue for the secure and cost-effective utilization of hydrogen as a green energy source. This study introduces a systematic approach for selecting optimal…

Materials Science · Physics 2023-12-08 Shima Rezaie , Azahara Luna-Triguero

The inability to synthesize single-wall carbon nanotubes (SWCNTs) possessing uniform electronic properties and chirality represents the major impediment to their widespread applications. Recently, there is growing interest to explore and…

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