1. California
NanoSystems Institute, University of California, Los Angeles, Los Angeles, California 90095, United States
2. Department
of Chemistry and Biochemistry, University of California, Los Angeles, Los
Angeles, California 90095, United States
3. Department
of Psychiatry, Hatos Center for Neuropharmacology, and Semel Institute
for Neuroscience and Human Behavior, University of California, Los Angeles, Los
Angeles, California 90095, United States
4. Department
of Chemistry, National Taiwan University, Taipei 10617, Taiwan
5. Department
of Materials Science and Engineering, University of California, Los Angeles, Los
Angeles, California 90095, United States