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Highly Efficient, Near-Infrared Electrophosphorescence from a Pt–Metalloporphyrin Complex


  • The authors acknowledge financial support from the U.S. Dept. of the Army, CECOM for the phase II SBIR program (contract no. W15P7T-06-C-T201), and Universal Display Corporation.


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Red-shifting beyond red: The nonplanar porphyrin complex [Pt(tpbp)] (tpbp=tetraphenyltetrabenzoporphyrin) has been used as a phosphorescent dopant in highly efficient electrophosphorescent devices that emit in the near-infrared region (see normalized emission spectrum). The high efficiencies of these NIR devices make them amenable to many night-vision display and sensing applications.