HARRICK PLASMA

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

This work describes a process to make anodes for organic solar cells from coppernickel 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 coppernickel nanowire films exhibited efficiencies of 4.9%.

Stewart, Ian E, Aaron R Rathmell, Liang Yan, Shengrong Ye, Patrick F Flowers, Wei You, Benjamin J Wiley

Nanoscale

6

5980-5988

2014

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