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Hafnium metallocene compounds used as cathode interfacial layers for enhanced electron transfer in organic solar cells

Keunhee Park, Seungsik Oh, Donggeun Jung*, Heeyeop Chae, Hyoungsub Kim and Jin-Hyo Boo

Nanoscale Research Letters 2012, 7:74  doi:10.1186/1556-276X-7-74