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Screening the Missing Electron: Nanochemistry in Action

Shiozawa, H, Pichler, T, Kramberger, C, Ruemmeli, M, Batchelor, D, Liu, Z, Suenaga, K, Kataura, H and Silva, SRP (2009) Screening the Missing Electron: Nanochemistry in Action PHYSICAL REVIEW LETTERS, 102 (4), ARTN 0.

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The excitement of nano-test-tube chemistry in a single-walled carbon nanotube is exemplified in our study on electron doping in carbon nanotubes. Electron doping through the 1D van Hove singularity of single-walled carbon nanotubes is realized via a chemical reaction of an encapsulated organocerium compound, CeCp3. The decomposition of CeCp3 inside the carbon nanotubes increases the doping level and greatly enhances the density of conduction electrons. The transition of the cerium encapsulating semiconducting tubes to metallic results in enhanced screening of the photoexcited core hole potential. This fact illustrates the importance of many body effects in understanding core-level excitation process in carbon nanotubes.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Authors :
Shiozawa, H
Pichler, T
Kramberger, C
Ruemmeli, M
Batchelor, D
Liu, Z
Suenaga, K
Kataura, H
Silva, SRP
Date : 30 January 2009
DOI : 10.1103/PhysRevLett.102.046804
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Multidisciplinary, Physics, WALLED CARBON NANOTUBES, RAMAN-SCATTERING, ENCAPSULATION, BUNDLES
Depositing User : Melanie Hughes
Date Deposited : 21 Oct 2010 14:48
Last Modified : 31 Oct 2017 14:05

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