Density of states near Fermi level in PbS nanoparticle films
نویسندگان
چکیده
Temperature-dependent DC-conductivity of PbS nanoparticle films prepared by solution growth technique has been studied. Variable range hopping is identified as a predominant conduction mechanism. Density of localized states near the Fermi level is observed to decrease exponentially with increase of average grain size in the films. PACS: 81.05.Hd; 73.61.Tm; 72.20.i
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