1. Institute of New Energy TechnologyCollege of Information Science and TechnologyJinan University Guangzhou 510632 China
2. Nanophotonics Research CenterShenzhen Key Laboratory of Micro‐scale Optical Information TechnologyShenzhen University Shenzhen 518060 China
3. National Engineering Research Center for Advanced Polymer Processing TechnologyZhengzhou University Zhengzhou 450002 China
4. Institute of Materials for Electronics and Energy Technology (i‐MEET)Friedrich‐Alexander UniversityErlangen‐Nürnberg Martensstrasse 7 91058 Erlangen Germany
5. Helmholtz Institute Erlangen‐Nürnberg for Renewable Energy (IEK‐11)Forschungszentrum Jülich GmbH Immerwahrstraße 2 91058 Erlangen Germany