Photoconductivity in defective carbon nanotube sheets under ultraviolet-visible-near infrared radiation (Articolo in rivista)

Type
Label
  • Photoconductivity in defective carbon nanotube sheets under ultraviolet-visible-near infrared radiation (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Passacantando, M; Bussolotti, F; Grossi, V; Santucci, S; Ambrosio, A; Ambrosio, M; Ambrosone, G; Carillo, V; Coscia, U; Maddalena, P; Perillo, E; Raulo, A (2008)
    Photoconductivity in defective carbon nanotube sheets under ultraviolet-visible-near infrared radiation
    in Applied physics letters
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Passacantando, M; Bussolotti, F; Grossi, V; Santucci, S; Ambrosio, A; Ambrosio, M; Ambrosone, G; Carillo, V; Coscia, U; Maddalena, P; Perillo, E; Raulo, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 93 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Passacantando, M.; Bussolotti, F.; Grossi, V.; Santucci, S.] Univ Aquila, Dipartimento Fis, CNR INFM Lab Reg CASTI, I-67010 Coppito, Italy; [Passacantando, M.; Bussolotti, F.; Grossi, V.; Santucci, S.] Ist Nazl Fis Nucl, Sez Aquila, I-67010 Coppito, Italy; [Ambrosio, A.] CNR INFM CRS COHERENTIA, I-80126 Naples, Italy; [Ambrosio, A.; Ambrosio, M.; Ambrosone, G.; Carillo, V.; Coscia, U.; Maddalena, P.; Perillo, E.; Raulo, A.] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy; [Ambrosone, G.; Coscia, U.; Maddalena, P.; Perillo, E.; Raulo, A.] Univ Naples Federico 2, MSA, Dipartimento Sci Fisiche, I-80126 Naples, Italy (literal)
Titolo
  • Photoconductivity in defective carbon nanotube sheets under ultraviolet-visible-near infrared radiation (literal)
Abstract
  • Multiwalled carbon nanotube sheets of relatively large area have been grown on a sapphire substrate by chemical vapor deposition at the substrate temperature of 500 and 750°C. The photoconductivity measurements, performed under white light and monochromatic radiation in the ultraviolet-visible-near infrared region, show that the highly defective sample grown at 500 ° C has a higher photosensitivity, thus revealing the crucial role of structural defects in determining the overall photoresponse of the nanotube's sheets. The spectral photoresponse of these nanostructured films increases with the increase in photon energy, and is strongly correlated to the absorbance. The photoconductivity properties of these materials are favorable in potential development of large area light sensors as well as optoelectronic nanodevices. (literal)
  • Multiwalled carbon nanotube sheets of relatively large area have been grown on a sapphire substrate by chemical vapor deposition at the substrate temperature of 500 and 750 degrees C. The photoconductivity measurements, performed under white light and monochromatic radiation in the ultraviolet-visible-near infrared region, show that the highly defective sample grown at 500 degrees C has a higher photosensitivity, thus revealing the crucial role of structural defects in determining the overall photoresponse of the nanotube's sheets. The spectral photoresponse of these nanostructured films increases with the increase in photon energy, and is strongly correlated to the absorbance. The photoconductivity properties of these materials are favorable in potential development of large area light sensors as well as optoelectronic nanodevices. (C) 2008 American Institute of Physics. (literal)
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