1. School of Environmental Science and Engineering State Key Laboratory of Bio‐fibers and Eco‐textiles Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles Institute of Marine Biobased Materials Qingdao University Qingdao 266071 P. R. China
2. Analytical and Testing Center South China University of Technology Guangzhou 510640 P. R. China
3. Australian Centre for Microscopy & Microanalysis The University of Sydney Sydney New South Wales 2006 Australia
4. State Key Laboratory of Coal Conversion Institute of Coal Chemistry Chinese Academy of Science Taiyuan 030001 P. R. China
5. Nanoscale Physics Research Laboratory School of Physics and Astronomy University of Birmingham Birmingham B15 2TT UK
6. State Centre for International Cooperation on Designer Low‐Carbon and Environmental Materials School of Materials Science and Engineering Zhengzhou University Zhengzhou 450001 P. R. China
7. Queensland Micro‐ and Nanotechnology Centre (QMNC) Griffith University Nathan, Brisbane QLD 4111 Australia