1. Department of Chemistry Colorado State University Fort Collins CO 80523 USA
2. Department of Chemistry University of Wisconsin−Madison Madison WI 53706 USA
3. Wisconsin Energy Institute University of Wisconsin−Madison Madison WI 53726 USA
4. National Renewable Energy Laboratory 15013 Denver W Pkwy Golden CO 80401 USA
5. Plastics Additives Milliken Chemical Milliken and Company Spartanburg SC 29303 USA