1. State Key Laboratory of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials (iChEM) College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 P. R. China
2. Pen‐Tung Sah Institute of Micro‐Nano Science and Technology Xiamen University Xiamen 361005 P. R. China
3. National Graphene Institute University of Manchester Oxford Road Manchester M13 9PL UK
4. Centre for Advanced 2D Materials National University of Singapore Singapore 117546 Singapore
5. Chongqing 2D Materials Institute Liangjiang New Area Chongqing 400714 P. R. China