1. Department of Chemistry, University of Houston, Houston, Texas 77204, United States
2. Texas Center for Superconductivity, University of Houston, Houston, Texas 77204, United States
3. Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
4. Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
5. Department of Engineering Technology, and Materials Science and Engineering, University of Houston, Houston, Texas 77204, United States