Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 629, Issue 1, Pages 377-381Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2010.11.097
Keywords
Carbon nanotubes; Photoconductivity; Heterojunctions; Chemical vapor deposition; Multistep tunneling
Categories
Funding
- INFN SinPhoNIA (Single Photon Nanotechnology Innovative Approach) Collaboration
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A new class of radiation detectors based on carbon nanostructures as the active photosensitive element has been recently developed. In this scenario the optimization of the device, both in dark and on light irradiation, is a crucial point. Here, we report on electrical measurements performed in dark conditions on carbon nanofibers and nanotubes deposited on silicon substrates. Our experimental results were interpreted in terms of a multistep tunneling process occurring at the carbon nanostructures/silicon interface. (C) 2010 Elsevier B.V. All rights reserved.
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