CuO/ZnO planar bilayer heterojunction grown by reactive dc magnetron sputtering

Chaya Ravi Gobbiner, A. V.Muhammed Ali, Dhananjaya Kekuda

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

In the present article, we have investigated the possibility of utilizing cupric oxide as the promising absorber layers for the construction of oxide solar cells. The effect of argon to oxygen ratio on the structural and optical properties of copper oxide thin films is described. From the optical characterization, it was evident that band gap energy can be tuned by varying the argon to oxygen ratio (Ar:O2) during deposition. Zinc oxide thin films with high transmittance were utilized as n-type counterparts for the cupric oxide absorber layers. The device structure with the configuration glass/Cu/CuO/ZnO/Al was characterized through dark and illuminated current–voltage (I–V) characteristics. Ohm’s law prevailed in the low field regime and space charge limited conduction followed in the high field region as observed from dark I–V characteristics.

Original languageEnglish
Pages (from-to)9801-9807
Number of pages7
JournalJournal of Materials Science: Materials in Electronics
Volume26
Issue number12
DOIs
Publication statusPublished - 01-12-2015

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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