Ringk, Andreas; Li, Xiaoran; Gholamrezaie, Fatemeh; Smits, Edsger C. P.; Neuhold, Alfred; Moser, Armin; Van Der Marel, Cees; Gelinck, Gerwin H.; Resel, Roland; De Leeuw, Dago M.; Strohriegl, Peter Advanced Functional Materials, 2013 , vol. 23, # 16 p. 2016 - 2023