[K-3-5] Property Enhancement of Hole Transport Layer and Transparent Electrode by the Addition of Polar Solvents for Organic Solar Cells D.H. Kim1, K.Y. Lee1, S.J. Park1, Y.J. Kim1 (1.Yonsei Univ. (Korea)) https://doi.org/10.7567/SSDM.2014.K-3-5