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  • American Institute of Physics (AIP)  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Optical and xerographic properties of phthalocyanine codeposited composite film and ultrathin multilayered structure (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 91 (2002), S. 748-752 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The optical and xerographic properties of the phthalocyanine codeposited composite (cDC) films and ultrathin multilayered (UTML) structures have been studied. Observed UV-visible absorption spectra indicate that the Q-band absorption of the cDc films is different from that of the single component films, and from that of the UTML structures. The absorption peaks are shifted with the number and thickness of the layers. This spectral variation is most likely to be due to the dipole–dipole and charge transfer interactions among different molecular assemblies. The photosensitivity of the cDC films is superior to that of the single component films. This improvement is attributed to the efficient photoinduced charge transfer and charge separation among the composites. Moreover, the photosensitivity of the UTML structures is over tenfold better than that of the cDC films, probably due to the ultrafast photoinduced charge transfer and separation and the unipolar transport of the photogenerated holes. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1427432
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  • 2
    Electronic Resource
    Electronic Resource
    Dispersion, refinement, and manipulation of single silicon nanowires (2002)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 80 (2002), S. 1812-1814 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have successfully dispersed silicon nanowires in liquid by a mild etching treatment. A transmission electron microscopic study reveals that the etching occurs selectively at the defect sites of the wires. This implies that the treated wires have much fewer defects than those of the raw material. We have adopted an electrophoresis method, which is usually used in biosciences, to mount single nanowires onto chosen electrodes of a prototype device. The mounting of the wires was checked using scanning probe microscopes. Compared with the commonly used microactuation method, our method is far more applicable to industrial device fabrication, which may require simultaneous manipulation of a large number of wires. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1456966
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