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Single-walled carbon nanotubes (SWCNTs) are promising for nanoscale electronics and photonics, but practical deployment requires chirality control. Most catalytic chemical vapor deposition (CCVD) growth of SWCNTs proceeds on liquid metal…

Materials Science · Physics 2026-02-20 Daniel Hedman

Ever since the landmark discovery of single-walled carbon nanotubes (SWNTs) in 1993, they have been considered as ideal materials for any kind of application based on their outstanding properties (e.g. mechanical strength, thermal…

Materials Science · Physics 2007-08-13 S. Inoue , T. Nakajima , K. Nomura , Y. Kikuchi

This investigation deals with the effect of growth temperature on the growth behavior of Fe filled multiwalled carbon nanotubes (MWCNTs). Carbon nanotube (CNT) synthesis was carried out in a thermal chemical vapor deposition (CVD) reactor…

Materials Science · Physics 2019-08-07 Joydip Sengupta , Chacko Jacob

Laser-assisted chemical vapour deposition (CVD) growth is an attractive mask-less process for growing locally aligned carbon nanotubes (CNTs) in selected places on temperature sensitive substrates. The nature of the localized process…

Chemical Physics · Physics 2017-09-13 Yoeri van de Burgt , Yves Bellouard , Rajesh Mandamparambil

Exploring the synthesis of novel molecular nanostructures has been in the forefront of material research in the last decade. One of the most interesting nanostructures are single wall carbon nanotubes (SWCNTs). Their catalyst free growth,…

Materials Science · Physics 2009-11-11 Ferenc Simon , Hans Kuzmany

Order(N) Tight-Binding Molecular Dynamics (TBMD) simulations are performed to investigate the thermal stability of (10,10) metallic Single-Walled Carbon Nanotubes (SWCNT). Periodic boundary conditions (PBC) are applied in axial direction.…

Materials Science · Physics 2009-11-13 G. Dereli , B. Sungu , C. Ozdogan

A freestanding film of vertically aligned single-walled carbon nanotubes (VA-SWNTs) synthesized by the alcohol catalytic chemical vapor deposition (ACCVD) method was observed directly by transmission electron microscopy (TEM). These…

Growth of carbon nanotubes (CNTs) was performed by atmospheric pressure chemical vapour deposition (APCVD) of propane on Si(111) with a pre-treated Ni overlayer acting as a catalyst. Prior to the growth of CNTs, a thin film of Ni was…

Materials Science · Physics 2019-06-04 J Sengupta , SK Panda , C Jacob

An oxygen assisted hydrocarbon chemical vapor deposition (CVD) method is developed to afford large-scale highly reproducible ultra high-yield growth of vertical single-walled carbon nanotubes (SWNT). It is revealed that reactive hydrogen…

Addition of only 1% of acetylene into ethanol was found to enhance the growth rate of singlewalled carbon nanotubes (SWNTs) by up to ten times. Since acetylene is a byproduct of the thermal decomposition of ethanol, this suggests an…

Materials Science · Physics 2008-11-27 R. Xiang , E. Einarsson , J. Okawa , Y. Miyauchi , S. Maruyama

Using carbon nanotubes (CNTs) produced by chemical vapor deposition, we have explored different strategies for the preparation of carbon nanotube devices suited for electrical and mechanical measurements. Though the target device is a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 B. Babic , J. Furer , M. Iqbal , C. Schonenberger

In this study, the synthesis of multi-walled carbon nanotubes (MWCNTs) was carried out by chemical vapor deposition (CVD) using propane as the carbon source and Si as the catalyst support. The effect of CVD process variables such as…

Applied Physics · Physics 2018-08-21 Joydip Sengupta

Understanding the dynamic self-assembly mechanisms of carbon nanotube (CNT) forests is necessary to advance their technological promise. Here, in-situ environmental scanning electron microscope (ESEM) chemical vapor deposition (CVD)…

A parametric study of so-called "super growth" of single-walled carbon nanotubes(SWNTs) was done by using combinatorial libraries of iron/aluminum oxide catalysts. Millimeter-thick forests of nanotubes grew within 10 min, and those grown by…

Materials Science · Physics 2009-11-13 S. Noda , K. Hasegawa , H. Sugime , K. Kakehi , Z. Zhang , S. Maruyama , Y. Yamaguchi

A simple process for chemical vapor deposition of ultra SD single wall carbon nanotubes has been developed. In this process, an iron nitrate nonahydrate solution in isopropyl alcohol with a concentration of 400 ug/mlit was used to catalyze…

Mesoscale and Nanoscale Physics · Physics 2012-07-17 Nima Arjmandi , Pejhman Sasanpour , Bijan Rashidian

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…

Various diameters of alumina-supported Fe catalysts are used to grow single-walled carbon nanotubes (SWCNTs) with chemical vapor decomposition. We find that the reduction of the catalyst size requires an increase of the minimum temperature…

Materials Science · Physics 2009-11-13 A. R. Harutyunyan , N. Awasthi , A. Jiang , W. Setyawan , E. Mora , T. Tokune , K. Bolton , S. Curtarolo

The molecular dynamics method, based on an empirical potential energy surface, was used to study the effect of catalyst particle size on the growth mechanism and structure of single-walled carbon nanotubes (SWNTs). The temperature for…

Materials Science · Physics 2009-11-11 Feng Ding , Arne Rosen , Kim Bolton

The mechanical stability of open single wall carbon nanotubes (SWCNT) under axial stress (compression and tension) and twist has been re-examined in a search of specific tube-length and load scaling. SWCNT with different chiralities and…

Materials Science · Physics 2007-05-23 Ana Proykova , Hristo Iliev

Fe filled carbon nanotubes were synthesized by atmospheric pressure chemical vapor deposition using a simple mixture of iron acetylacetonate with a conventional photoresist and the effect of growth temperature from 550 to 950 {\deg}C on Fe…

Applied Physics · Physics 2020-04-28 Joydip Sengupta , Avijit Jana , N. D. Pradeep Singh , Chacko Jacob
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