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Study of the junction characteristics of MWNT doped polymer composite films

A. KUMAR1,* , S. S. SHARMA1,2, S. SRIVASTAVA1, S. P. NEHRA1, V. KULSHRESTHA1,3, M. SINGH1, Y. K. VIJAY1

Affiliation

  1. Thin Film & Membrane Science Laboratory, Department of Physics, University of Rajasthan, Jaipur 302004, India
  2. Department of Physics, Government Women Engineering College, Ajmer 305002, India
  3. Central Salt and Marine Chemicals Research Institute, Bhavnagar, India

Abstract

Interface Studies of Multi walled carbon nano-tube (MWNT) doped polymer (PS & PMMA) blends and n-type Si substrate has been reported in the manuscript. MWNT is commonly used as an electron acceptor in interpenetrated networks and an electron transport in photovoltaic cells. We have studied the guest–host approach to prepare MWNT doped polymer blend and found that the MWNT shows the junction characteristics with n-type Si substrate. The knee-voltage and dynamic resistance drastically varies with annealing temperature. The optical micrographs show the uniform dispersion of MWNT and it’s blend in the form of crystallites having micron order size. These polymer thin films have also been characterized by optical and XRD measurements.

Keywords

XRD, UV-VIS, Junction Characteristics, MWNT-Polymer blend.

Citation

A. KUMAR, S. S. SHARMA, S. SRIVASTAVA, S. P. NEHRA, V. KULSHRESTHA, M. SINGH, Y. K. VIJAY, Study of the junction characteristics of MWNT doped polymer composite films, Optoelectronics and Advanced Materials - Rapid Communications, 4, 11, November 2010, pp.1701-1704 (2010).

Submitted at: Sept. 14, 2010

Accepted at: Nov. 10, 2010