Dr. Khurram Joya
Postdoctoral Fellow, King Abdullah University of Science and Technology, KAUST Catalysis Center
June 17, 2014 | 12:30 to 01:30 | 540 Cory Hall
Host: Liwei Lin
In order to construct a solar-to-fuel conversion system, the “Artificial Leaf,” the development of a robust and efficient water oxidation electrocatalyst (WOE) is a bottleneck. For the proof-of-principle and long-term performance, WOEs need to be employed on conducting surfaces (e.g., electrodes) as well as on light-harvesting photo-responsive materials. For the past five years we have been developing both molecular systems and inorganic materials for electro-driven water oxidation assemblies. In molecular catalysis, we show that immobilization of metal complexes to electrode exterior can make a working model of a half-cell device for anodic oxygen evolution. We also have prepared nanoscale inorganic materials formed in-situ under benign conditions. They exhibit remarkable activity for anodic oxygen evolution and are stable over a wide pH range for long time catalysis. At present, we focus on the inter-connection of molecular catalysts and nanostructured materials with photo-responsive materials to make light-driven water oxidation systems.
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