Stefan Bernhard Presentation At Mwn Us-china Workshop

Stefan Bernhard US-China Workshop Princeton University USA

Water splitting: Molecular photocatalysis Oxidation: 2H2O  O2 + 4H+ + 4eReduction: 4H2O + 4e- 2H2 + 4OHOverall: 2H2O  2H2 + O2 Long-lived Triplet Excited State HSOMO

LSOMO

Luminophore Libraries

water reduction (via catalyst)

water oxidation (via catalyst)

Water splitting: High-Throughput Screening Pressure Transducer

16 Well Photoreactor

Degassing Manifold

Automated Mass-Spectrometric Gas Analysis

Current Work:

Orchestrated Electron Transfer

Temperature Control

Important Open Questions: ?

Mechanically Stable Membranes Capable of Electron and Proton Transfer

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Robust Water Reduction and Oxidation Catalysts from Abundant Precursors: Molecular as well as Solid-state Catalysts Pt Pd Metal Colloid Stability in Photocatalytic WaterReduction Systems:

Important Open Questions: ?

Organic Photovoltaics: Self-organizing and Self-healing Functional Materials

e.g. Donor/Acceptor Block Copolymer

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Organic Photovoltaics: Deliberate Control of Charge Transfer through Interfaces