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A giant photoconductivity was observed in heterostructures of Co-doped amorphous carbon/silicon (Co–C/Si), which were fabricated by growing Co–C films on n-type Si substrates through pulsed laser deposition (PLD). When the sample was illuminated by a monochromatic light with a small density of 1mW/cm2, the obtained photosensitivity, defined as the ratio of the photoconductivity σp to the dark conductivity...
Semiconducting single-walled carbon nanotubes (SWCNTs) sorted by conjugated polymers are of great interest for electronic and optoelectronic applications. Here we demonstrate by optical methods that the selectivity of conjugated polymers for semiconducting SWCNTs is influenced by the structure of their side-chains and/or the molecular weight of the macromolecules, and that side chain functionalities...
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