TiOx Concentration Dependence of OPV Efficiency Optimization 
Advanced Materials Research (Volumes 93 - 94) 
Anusit Keawprajak, Phimwipha Piyakulawat, Joerg Wlosnewski, Phansak Iamraksa, Chaiyuth Saekung, Udom Asawapirom
Edited by S. Suttiruengwong and W. Sricharussin
Pages 517-520