Synthesis and characterisation of CZT nanowire arrays for gamma ray detection
by T. Gandhi, K.S. Raja, I. Chatterjee, M. Misra, X. Luo, P. Dzurella
International Journal of Nanotechnology (IJNT), Vol. 5, No. 4/5, 2008

Abstract: A single step pulsed potential electrodeposition of cadmium zinc telluride (CZT) nanowires was carried out in propylene carbonate solution at 130°C onto a nanotubular TiO₂ template. Various combinations of potential pulses were investigated and the electrochemical parameters were optimised to obtain nanowires with a stoichiometry of Cd_0.96Zn_0.04Te. The CZT nanowires showed an electrical resistivity of 4.48 × 109 Ω-cm and an electronic band gap of 1.53 eV after annealing at 350°C for 1 h in argon atmosphere. The CZT nanowires grown on semiconductor nanotubular TiO₂ templates can be integrated into a detection device for sensing low-medium energy gamma rays.

Online publication date: Fri, 07-Mar-2008

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