Institution: | 1. Division of Physical Sciences and Engineering, Solar and Photovoltaics Engineering Research Center (SPERC), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia;2. Department of Materials & Centre for Plastic Electronics, Imperial College London, UK;3. Advanced Nanofabrication, Imaging and Characterization Laboratory, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia |