1. Department of Electrical and Electronic Engineering The University of Hong Kong Pokfulam Road Hong Kong China
2. Key Laboratory of Energy Conversion and Storage Technologies Ministry of Education and Department of Electrical and Electronic Engineering Southern University of Science and Technology Shenzhen 518055 China
3. Guangdong University Key Laboratory for Advanced Quantum Dot Displays and Lighting Guangdong‐Hong Kong‐Macao Joint Laboratory for Photonic–Thermal–Electrical Energy Materials and Devices Southern University of Science and Technology Shenzhen 518055 China
4. Guangdong–Hong Kong–Macao Joint Laboratory for Photonic–Thermal–Electrical Energy Materials and Devices Shenzhen 518055 China