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Proceedings Paper

Nanotextured CuO: sensing and light harvesting platform
Author(s): A. Balčytis; Gediminas Seniutinas; Jurga Juodkazyte; B. C. C. Cowie; F. Lapierre; S. Juodkazis
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Paper Abstract

Rapid and cost effective fabrication of nano-textured surfaces of CuO and Cu2O by chemical bath process was used to fabricated large surface areas with cross sections in centimeters. Through chemical etching and oxidation induced nano-texturation Cu foils are rendered black and their surface area is increased by two orders of magnitude. Magnetronic Au sputtering was used to coat the nano-textured CuxO features with nano-granular metal films which were found to be conformal for the range of 5-50 nm layer thicknesses. The Au coated substrates of CuxO were tested for surface enhanced Raman scattering (SERS) performance and showed one of the best sensitivity enhancements when compared with other nano-textured surfaces. Application potential of the black-Cu2O for SERS sensing and for solar cell applications is discussed.

Paper Details

Date Published: 13 March 2015
PDF: 9 pages
Proc. SPIE 9374, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII, 93740K (13 March 2015); doi: 10.1117/12.2082601
Show Author Affiliations
A. Balčytis, Swinburne Univ. of Technology (Australia)
Australian National Fabrication Facility (Australia)
Ctr. for Physical Sciences and Technology (Lithuania)
Gediminas Seniutinas, Swinburne Univ. of Technology (Australia)
Melbourne Ctr. for Nanofabrication (Australia)
Jurga Juodkazyte, Biochemijos Institutas (Lithuania)
B. C. C. Cowie, Australian Synchrotron (Australia)
F. Lapierre, RMIT Univ. (Australia)
S. Juodkazis, Swinburne Univ. of Technology (Australia)
Australian National Fabrication Facility (Australia)


Published in SPIE Proceedings Vol. 9374:
Advanced Fabrication Technologies for Micro/Nano Optics and Photonics VIII
Georg von Freymann; Winston V. Schoenfeld; Raymond C. Rumpf; Henry Helvajian, Editor(s)

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