1. School of Chemistry and Biochemistry and Center for Organic Photonics and Electronics; Georgia Institute of Technology; Atlanta Georgia 30332-0400
2. Department of Chemistry and Biochemistry; The University of Arizona; Tucson Arizona 85721-0041
3. National Renewable Energy Laboratory; Golden Colorado 80401
4. School of Electrical and Computer Engineering and Center for Organic Photonics and Electronics; Georgia Institute of Technology; Atlanta Georgia 30332-0250
5. Department of Chemistry; King Abdulaziz University; Jeddah Saudi Arabia