Highly Efficient, Near-Infrared Electrophosphorescence from a Pt–Metalloporphyrin Complex Carsten Borek, Kenneth Hanson, Peter I. Djurovich, Mark E. Thompson,* Kristen Aznavour, Robert Bau, Yiru Sun, Stephen R. Forrest, Jason Brooks, Lech Michalski, and Julie Brown Angew. Chem. Int. Ed. 2007, 46, 1109 –1112