1. Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science & Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
2. Institute of Photonics and Optoelectronics & Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
3. National
Center for Photovoltaics (NCPV), National Renewable Energy Laboratory, Golden, Colorado 80401, United States