Raman scattering from ferrocene encapsulated in narrow diameter carbon nanotubes

Wolfgang Plank, Hans Kuzmany, Rudolf Pfeiffer, Tetuya Saito, Sumio Iijima

Publications: Contribution to bookContribution to proceedings

Abstract

We studied peapods prepared with ferrocene (dicyclopentadienyl iron, Fe(Cp)2) as filling species, which makes CNTs with diameters down to 1.1 nm accessible for filling. Two different single-wall carbon nanotube (SWCNT) samples with mean diameters of 1.1 nm (HiPco) and 1.6 nm (DIPS) were used. Filling was done from the gas phase at elevated temperatures. Sample analysis was done by multifrequency Raman spectroscopy. The Raman response from the encapsulated molecule could be observed through the wall of the CNTs, confirming the encapsulation of the employed molecular species. We observed a sharp decrease of the radial breathing mode intensity for the peapod samples compared to the unfilled CNTs. Ferrocene peapods were transformed to double wall carbon nanotubes (DWCNTs) in a heat induced growth process.
Original languageEnglish
Title of host publicationElectronic Properties of Novel Materials
PublisherIWEPNM
Pages2724-2727
Number of pages4
DOIs
Publication statusPublished - 2009

Publication series

SeriesPhysica Status Solidi. B: Basic Research
ISSN0370-1972

Austrian Fields of Science 2012

  • 1030 Physics, Astronomy

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