1. Department of Chemistry and Biochemistry and California Nanosystems Institute, University of California, Los Angeles (UCLA), 607 Charles E. Young Drive East, Los Angeles, California 90095, United States
2. Department of Chemistry, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
3. Boron Specialties LLC, 2301 Duss Avenue, Building 9, Ambridge, Pennsylvania 15003, United States
4. Chemistry Department, Metropolitan State University of Denver, P.O. Box 173362, Campus Box 52, Denver, Colorado 80217, United States