Abstract
We report on polarization-sensitive direct current photoresponse of nanographite films in a 532–4000 nm spectral range. It is found that irradiation of the nanographite by the nanosecond laser pulses produces the electric current with intensity depending on the incidence angle and polarization of the laser beam. The obtained dependencies of the photoresponse on wavelength and polarization of excitation laser beam are discussed in terms of the surface photogalvanic and photon drag effects.
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