1. National‐Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Department of Polymer Materials and Engineering, School of Chemical Engineering and TechnologyHebei University of Technology Tianjin 300130 China
2. College of Chemistry and Materials ScienceLudong University Yantai 264025 China
3. National Institute for Materials Science (NIMS), 1‐2‐1 Sengen Tsukuba 305‐0047 Japan
4. Key Lab for Micro‐ and Nano‐scale Boron Nitride Materials in Hebei ProvinceHebei University of Technology Tianjin China