Synthesis of Cu2O from CuO thin films: Optical and electrical properties | Zendy

Dhanya S Murali | Zendy; Shailendra Kumar | Zendy; R. J. Choudhary | Zendy; A. D. Wadikar | Zendy; Mahaveer K. Jain | Zendy; A. Subrahmanyam | Zendy

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Synthesis of Cu2O from CuO thin films: Optical and electrical properties

Author(s) -

Dhanya S Murali,

Shailendra Kumar,

R. J. Choudhary,

A. D. Wadikar,

Mahaveer K. Jain,

A. Subrahmanyam

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4919323

Subject(s) - thin film , materials science , annealing (glass) , hall effect , band bending , electron mobility , spectroscopy , sputter deposition , carbon film , cavity magnetron , electrical resistivity and conductivity , analytical chemistry (journal) , optoelectronics , sputtering , nanotechnology , composite material , chemistry , physics , engineering , chromatography , quantum mechanics , electrical engineering

Hole conducting, optically transparent Cu2O thin films on glass substrates have been synthesized by vacuum annealing (5×10−6 mbar at 700 K for 1 hour) of magnetron sputtered (at 300 K) CuO thin films. The Cu2O thin films are p-type and show enhanced properties: grain size (54.7 nm), optical transmission 72% (at 600 nm) and Hall mobility 51 cm2/Vs. The bulk and surface Valence band spectra of Cu2O and CuO thin films are studied by temperature dependent Hall effect and Ultra violet photo electron Spectroscopy (UPS). CuO thin films show a significant band bending downwards (due to higher hole concentration) than Cu2O thin films

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