Single-Wall Carbon Nanotube Film Grown by Advanced Ethanol Chemical Vapor Deposition Process

An advanced approach has been developed for synthesis of single-wall carbon nanotubes directly on the substrate surface with a low-temperature (700–800 °C) catalytic ethanol-chemical vapor deposition without H₂ injection. We use an advanced solution of catalyst CH₃–CH₂–OH/(CH₃COO)2Co–4H₂O(0, 01%)/C₃H₅(OH)₃ for coating the different substrates with the polished or unpolished surfaces. We have performed the Raman, SEM and TEM investigations of the nanotube films grown. A thickness of the films was very low. The nanotubes with a wide range of diameters (0.8–1.6 nm) constituted the films. An estimated size of the catalytic particles obtained from the advanced solution of catalyst was ranged from 2 to 50 nm. A main range was 2–15 nm.