1. Pillar of Engineering Product Development; Singapore University of Technology and Design; 8 Somapah Road Singapore 487372 Singapore
2. Institute for Integrative Nanosciences; Leibniz Institute for Solid State and Materials Research Dresden; Helmholtzstraße 20 Dresden 01069 Germany
3. School of Materials Science and Engineering; Nanyang Technological University; 50 Nanyang Avenue Singapore 639798 Singapore
4. International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology of Ministry of Education; Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province; College of Optoelectronic Engineering; Shenzhen University; Shenzhen 518060 China
5. Institute for Solid State Physics; Leibniz Universität Hannover; Appelstraße 2 Hannover 30167 Germany