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Fabrication of Low Temperature Carbon Nanotube Vertical Interconnects Compatible with Semiconductor Technology

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Published on: December 7, 2015

Vertically aligned BCN nanotubes with high capacitance.

Eswaramoorthi Iyyamperumal¹, Shuangyin Wang, Liming Dai

¹Center of Advanced Science and Engineering for Carbon (Case4Carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, USA.

|May 30, 2012

Summary

This summary is machine-generated.

Vertically aligned boron carbon nitride nanotubes (VA-BCNs) were synthesized and showed superior specific capacitance and durability. This advancement is attributed to boron and nitrogen co-doping within the aligned nanotube structure.

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Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

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Published on: October 12, 2019

Area of Science:

Materials Science
Nanotechnology
Electrochemistry

Background:

Carbon nanotubes (CNTs) are widely researched for energy storage applications.
Doping CNTs with other elements can enhance their electrochemical properties.
Boron and nitrogen co-doping offers potential synergistic effects.

Purpose of the Study:

To synthesize vertically aligned boron carbon nitride nanotubes (VA-BCNs).
To investigate the impact of pyrolysis conditions on VA-BCN properties.
To evaluate the electrochemical performance of VA-BCNs for energy storage.

Main Methods:

Chemical vapor deposition (CVD) synthesis of VA-BCNs on a Ni-Fe coated SiO(2)/Si substrate.
Utilizing a melamine diborate precursor.
Systematic study of pyrolysis conditions and characterization of nanotube morphology, nanostructure, composition, and thermal properties.

Main Results:

Vertically aligned BCN nanotubes (VA-BCNs) were successfully synthesized.
Optimal growth at 1000 °C yielded VA-BCNs with graphitic and pyridinic nitrogen bonding.
VA-BCNs exhibited a highest specific capacitance of 321.0 F/g, outperforming nonaligned BCN (167.3 F/g) and undoped CNTs (117.3 F/g).
High rate capability and durability were observed in the VA-BCNs.

Conclusions:

The synergistic effects of boron and nitrogen co-doping combined with the aligned structure significantly enhance electrochemical performance.
VA-BCNs represent a promising material for advanced energy storage devices.
Controlled synthesis via CVD is crucial for optimizing nanotube properties.