Aligned, high-density semiconducting carbon nanotube arrays ... - Science
2020年5月22日 · A dimension-limited self-alignment (DLSA) procedure was developed to prepare well-aligned CNT arrays on a 4-inch (10 cm) wafer with a tunable density ranging from 100 to 200 CNTs/μm, which meets the fundamental requirements for CNTs to be useful for large-scale (but not industrial) IC fabrication as shown in Fig. 1B (7–9, 17, 20–23, 29, 32 ...
Soft-lock drawing of super-aligned carbon nanotube bundles for …
2022年1月20日 · The assembly of single-walled carbon nanotubes (CNTs) into high-density horizontal arrays is strongly desired for practical applications, but challenges remain despite myriads of research...
Quasi-ballistic carbon nanotube array transistors with ... - Science
2016年9月3日 · Semiconducting single-walled carbon nanotubes (CNTs) are desirable materials for the active channels of field-effect transistors (FETs) because of their high current-carrying capacity (1), high carrier velocity (2, 3), and exceptional electrostatics due …
Assembly and Alignment of High Packing Density Carbon Nanotube Arrays …
2024年3月4日 · High packing density aligned arrays of semiconducting carbon nanotubes (CNTs) are required for many electronics applications. Past work has shown that the accumulation of CNTs at a water–solvent interface can drive array self-assembly.
Aligned carbon nanotube–based electronics on glass wafer
2024年3月22日 · In 2020, ideal materials of aligned CNT (ACNT) arrays with high purity (s-CNT > 99.9999%) and suitable density (125 to 250 CNTs/μm) were developed for FETs and integrated circuits (ICs) (10, 11), resulting in the as-measured gate delay of ACNT-based circuits (4, 10) over that of silicon devices with a close gate length.
Growing highly pure semiconducting carbon nanotubes by
2018年4月23日 · Carbon nanotubes (CNTs) are anticipated to be the successor of silicon in next-generation integrated circuits. However, one great challenge to the practical application of this concept is the...
Rate-selected growth of ultrapure semiconducting carbon nanotube arrays
2019年10月2日 · Carbon nanotubes (CNTs) are promising candidates for smart electronic devices. However, it is challenging to mediate their bandgap or chirality from a vapor-liquid-solid growth process. Here, we...
Growth mechanism and kinetics of vertically aligned carbon nanotube arrays
2021年6月10日 · Vertically aligned CNT arrays (VACNTs), also called “CNT forest” or “CNT carpets,” are grown from well-defined arrays of catalyst nanoparticles on flat substrates through a bottom-up and self-assembly process, generally by chemical vapor deposition (CVD).
Vertical 3D printing of rGO/CNTs arrays for thermal interface …
2024年9月15日 · The vertically printed rGO/CNTs array consists of macroscopically independent vertical rGO/CNTs pillars and vertically aligned rGO/CNTs microstructure. This vertically aligned 3D rGO/CNTs network creates multiple interconnected channels that …
Horizontally aligned carbon nanotube arrays: growth mechanism ...
2017年5月31日 · Among various types of CNTs, the horizontally aligned CNT (HACNT) arrays, which consist of CNTs grown on flat substrates and parallel with each other with large intertube distances and lengths up to centimeters, show many advantages due to their perfect structures and extraordinary mechanical, thermal and electrical properties.