1. Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials
2. School of Chemistry and Chemical Engineering
3. Henan Normal University
4. Xinxiang
5. China
6. Center for Materials Crystallography (CMC) at the Department of Chemistry and the Interdisciplinary Nanoscience Center (iNANO)
7. Aarhus University
8. 8000 Aarhus
9. Denmark