The large-scale synthesis and characterization of carbon nanotubes filled with long continuous inorganic nanowires in supercritical CS2
- 7 November 2006
- journal article
- Published by IOP Publishing in Nanotechnology
- Vol. 17 (22), 5702-5706
- https://doi.org/10.1088/0957-4484/17/22/028
Abstract
Large-scale long continuous FeS(2) nanowire filled carbon nanotubes (CNTs) were one-step synthesized in the presence of NaN(3) in supercritical CS(2) at 500 °C using ferrocene as the iron source. The CNTs have outer diameters in the range of 15-25 nm and the core FeS(2) nanowires inside CNTs are characterized as single crystals, with an average diameter of 8 nm and up to several micrometres in length. The band gap of FeS(2) nanowire filled CNTs was determined as 5.69 eV from the ultraviolet and visible light absorption spectrum, showing its promise for application in reversible conversion between solar energy and electrical or chemical energy.Keywords
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