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  • Title: The electronic transport properties of ternary Cd(1-x)Zn(x)S nanowire networks.
    Author: Joung D, Arif M, Biswas S, Kar S, Santra S, Khondaker SI.
    Journal: Nanotechnology; 2009 Nov 04; 20(44):445204. PubMed ID: 19809117.
    Abstract:
    We present the electronic transport characteristics of ternary alloy Cd(1-x)Zn(x)S nanowire networks in the dark and under white light illumination. Compared to the negligible dark current, we observed a photocurrent enhancement of up to four orders of magnitude at an intensity of 460 mW cm(-2). The time constant of the dynamic photoresponse is approximately 5 s. The current-voltage characteristics at different intensities show Ohmic behavior at low bias and space charge limited conduction (SCLC) at higher bias voltages. The SCLC behavior and slow time response indicate that the charge transport is dominated by tunneling at the percolating inter-nanowire junctions.
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