Raman scattering from ferrocene encapsulated in narrow diameter carbon nanotubes

Author(s)
Wolfgang Plank, Hans Kuzmany, Rudolf Pfeiffer, Tetuya Saito, Sumio Iijima
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.

Organisation(s)
Electronic Properties of Materials
External organisation(s)
Japan Science and Technology Agency , Meijo University
Pages
2724-2727
No. of pages
4
DOI
https://doi.org/10.1002/pssb.200982311
Publication date
2009
Austrian Fields of Science 2012
Physics, Astronomy
Portal url
https://ucris.univie.ac.at/portal/en/publications/raman-scattering-from-ferrocene-encapsulated-in-narrow-diameter-carbon-nanotubes(0b416f49-dc32-4bcf-9d4f-53fbfbdecaeb).html