A S Abeydeera
Articles written in Bulletin of Materials Science
Volume 28 Issue 5 August 2005 pp 483-486 Thin Films
Copper oxide (CuO) thin films with photocurrent as high as 25 𝜇Α/cm2 were deposited on conductive glass substrates using d.c. reactive sputtering. This was the highest reported photocurrent for sputtered 𝑝-type copper oxide measured in the electrolyte KI. The photocurrent drastically increased up to 25 𝜇Α/cm2 as the sputtering pressure and the substrate temperature were increased up to 8.5 mbar and 192°C, respectively. All the synthesized films contained single phase of CuO in this range of pressure and substrate temperature. Variation of the photocurrent, photovoltage, structure and absorbance with deposition conditions were studied in detail.
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