Affiliation: | 1. School of Materials, Arizona State University Tempe, AZ 85287 (USA);2. Advanced Photovoltaics Center, Arizona State University Tempe, AZ 85287 (USA);3. Flexible Display Center, Arizona State University Tempe, AZ 85284 (USA);4. Optoelectronics and Measurement Techniques Laboratory Department of Electrical and Information Engineering University of Oulu Oulu 90014 (Finland) |