Guilin University of Technology - Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Guilin University of Technology - Guangxi Key Laboratory of Optical and Electronic Materials and Devices, Xi'an Jiaotong University (XJTU) - School of Microelectronics, Karlsruhe Institute of Technology - Institute for Applied Materials (IAM), Karlsruhe Institute of Technology - Institute for Applied Materials (IAM), Karlsruhe Institute of Technology - Institute for Applied Materials (IAM), Xidian University - School of Advanced Materials and Nanotechnology, University of Science and Technology Beijing - Beijing Advanced Innovation Center for Materials Genome Engineering, Government of the United States of America - Oak Ridge National Laboratory, City University of Hong Kong (CityU) - Department of Materials Science and Engineering, City University of Hong Kong (CityU) - Department of Materials Science and Engineering, Aarhus University - Interdisciplinary Center of Nanoscience and Technology (iNANO) and The University of Technology Sydney - School of Mathematical and Physical Sciences