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The influence of pH on properties of nanocrystalline ZnSe thin films

DEEP SHIKHA1,2,* , V. MEHTA2, J. K. SHARMA1, JEEWAN SHARMA3

Affiliation

  1. Department of Physics, Maharishi Markandeshwar University, Mullana, Ambala-133207 India
  2. PG Department of Physics, Sri Guru Teg Bahadur Khalsa College, Anandpur Sahib-140118 India
  3. Department of Nanotechnology, Sri Guru Granth Sahib University, Fatehgarh Sahib – 140407India

Abstract

The structural, optical and electrical properties of ZnSe films deposited by chemical bath deposition method were investigated as a function of pH(11.0 to13.0). XRD studies showed that films deposited were polycrystalline in nature with zinc-blende structure and a strong [111] texture.The grain size increases as pH increases. From the optical studies the band gap is obtained and showed that it varies inversely with pH and in electrical studies it was observed that both dark and photoconductivity increases as the particle size increases..

Keywords

ZnSe, Chemical bath deposition, Structural, Optical and electrical.

Citation

DEEP SHIKHA, V. MEHTA, J. K. SHARMA, JEEWAN SHARMA, The influence of pH on properties of nanocrystalline ZnSe thin films, Optoelectronics and Advanced Materials - Rapid Communications, 10, 3-4, March-April 2016, pp.196-200 (2016).

Submitted at: Jan. 5, 2015

Accepted at: April 5, 2016