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Physical properties of CdTe nanowires electrodeposited by a template method, for photovoltaic applications

L. ION1,* , I. ENCULESCU2, S. ANTOHE1

Affiliation

  1. University of Bucharest, Faculty of Physics, P.O. Box MG-11, Magurele, Ilfov, 077125, Romania
  2. National Institute for Materials Physics, P.O. Box MG-7, Magurele, Ilfov, 077125, Romania

Abstract

Nanowires made of CdTe were produced by using a template method. Polymer ion track foils (30 micrometers thick) were used as templates, after a proper chemical etching. Nanowires were electrochemically grown in the resulting pores. A discussion of the observed correlations between the morphological/structural properties of the wires and the growth conditions is given. Electrical properties of the arrays of nanowires were studied in the temperature range of 40 K – 300 K, after contacting them by sputtering a gold layer on top of the membranes. Symmetric, non-linear I-V characteristics were recorded in the voltage range used and an activated electrical resistance was observed in the ohmic regime..

Keywords

A2B6 semiconductor compounds, CdTe, Electrochemical Deposition, Nanowires.

Submitted at: Nov. 10, 2008
Accepted at: Dec. 10, 2008

Citation

L. ION, I. ENCULESCU, S. ANTOHE, Physical properties of CdTe nanowires electrodeposited by a template method, for photovoltaic applications, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 12, pp. 3241-3246 (2008)