Issue 11, 2014

Solution-processed copper–nickel nanowire anodes for organic solar cells

Abstract

This work describes a process to make anodes for organic solar cells from copper–nickel nanowires with solution-phase processing. Copper nanowire films were coated from solution onto glass and made conductive by dipping them in acetic acid. Acetic acid removes the passivating oxide from the surface of copper nanowires, thereby reducing the contact resistance between nanowires to nearly the same extent as hydrogen annealing. Films of copper nanowires were made as oxidation resistant as silver nanowires under dry and humid conditions by dipping them in an electroless nickel plating solution. Organic solar cells utilizing these completely solution-processed copper–nickel nanowire films exhibited efficiencies of 4.9%.

Graphical abstract: Solution-processed copper–nickel nanowire anodes for organic solar cells

Supplementary files

Article information

Article type
Paper
Submitted
24 Feb 2014
Accepted
10 Apr 2014
First published
11 Apr 2014

Nanoscale, 2014,6, 5980-5988

Solution-processed copper–nickel nanowire anodes for organic solar cells

I. E. Stewart, A. R. Rathmell, L. Yan, S. Ye, P. F. Flowers, W. You and B. J. Wiley, Nanoscale, 2014, 6, 5980 DOI: 10.1039/C4NR01024H

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