Premium
Electrical Properties and Photoconductivity of Stacked‐Graphene Carbon Nanotubes
Author(s) -
Lee Eduardo. J. H.,
Zhi Linjie,
Burghard Marko,
Müllen Klaus,
Kern Klaus
Publication year - 2010
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200903462
Subject(s) - materials science , photoconductivity , photocurrent , graphene , carbon nanotube , photodetector , variable range hopping , graphene nanoribbons , optoelectronics , nanotechnology , carbon fibers , pyrolysis , chemical engineering , composite material , composite number , thermal conduction , engineering
Stacked‐graphene carbon nanotubes (SG‐CNTs) obtained via pyrolysis of columnar superstructures of polycyclic aromatic hydrocarbons are studied by electrical transport measurements and scanning photocurrent microscopy. The charge transport in individual SG‐CNTs (see figure) is found to be dominated by variable range hopping. Their photoconductive properties render the SG‐CNTs of interest for photodetector applications.