Environmental stability of ferrocene filled in purely metallic single-walled carbon nanotubes
- Author(s)
- Markus Sauer, Hidetsugu Shiozawa, Paola Ayala, Georgina Ruiz-Soria, Xianjie Liu, Kazuhiro Yanagi, Hiromichi Kataura, Stefan Krause, Thomas Pichler
- Abstract
Although the possibility of using metallocenes acting as n-type dopants for metallicity mixed and separated single-walled carbon nanotubes (SWCNT) has been proven, the question of usability for real-life applications still needs to be addressed. The most important factor for their applicability is the stability of the doping outside a vacuum environment. To clarify this issue we have conducted a long-term study on purely metallic SWCNTs after being filled with ferrocene and compared it to results after prolonged exposure to air, demonstrating a decomposition of about half of the filling material leaving a lower but stable doping state. The successful conversion to double-walled carbon nanotubes by high-temperature annealing yielding p-type doped hybrid structures is evidenced additionally. These results let us conclude that SWCNTs filled with metallocenes are an ideal n, or p-type doped starting material for applied electronics based on graphitic structures.
- Organisation(s)
- Electronic Properties of Materials
- External organisation(s)
- Tokyo Metropolitan University, National Institute of Advanced Industrial Science and Technology (AIST), Helmholtz-Zentrum Berlin für Materialien und Energie
- Journal
- Physica Status Solidi. B: Basic Research
- Volume
- 250
- Pages
- 2599-2604
- No. of pages
- 6
- ISSN
- 0370-1972
- DOI
- https://doi.org/10.1002/pssb.201300124
- Publication date
- 12-2013
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103018 Materials physics
- Keywords
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/environmental-stability-of-ferrocene-filled-in-purely-metallic-singlewalled-carbon-nanotubes(377a1a24-2fe5-4714-90ee-8c9b37260ed4).html