High-Efficiency Organic Photovoltaic Cells Based on the Solution-Processable Hole Transporting Interlayer Copper Thiocyanate (CuSCN) as a Replacement for PEDOT:PSS - Yaacobi-Gross, N; Treat, ND; Pattanasattayavong, P; Faber, H; Perumal, AK; Stingelin, N; Bradley, DDC; Stavrinou, PN; Heeney, M; Anthopoulos, TD (Advanced Energy Materials, 2014)