1. Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas 75080, USA
2. Department of Material Science and Engineering, The University of Texas at Dallas, Richardson, Texas 75080, USA
3. IC Packaging Lab., CTI Renato Archer, Campinas, Brazil
4. Chemistry Institute, UNICAMP, Campinas, Brazil
5. Department of Advanced Materials Engineering, Kookmin University, Jeongneung-dong Seongbuk-gu, Seoul 136-702, South Korea