Nitride semiconductor photo-electrodes for solar hydrogen production

Berliner Physikalisches Kolloquium

Lecture
Date:
Th, 07.11.2019 18:30  –   Th, 07.11.2019 20:30
Sprecher:
Prof. Dr. Yoshiaki Nakano, School of Engineering and Research Center for Advanced Science and Technology, The University of Tokyo, Tokyo, Japan
Adresse:
Magnus-Haus Berlin
Am Kupfergraben 7, 10117 Berlin, Germany

Language:
Deutsch
Event partner:
Magnus-Haus Berlin , Freie Universität Berlin , Humboldt-Universität zu Berlin , Technische Universität Berlin , Universität Potsdam , Wilhelm und Else Heraeus-Stiftung , Physikalische Gesellschaft zu Berlin e. V.
Contact person:
Andreas Böttcher,
External Link:

Description

Eine gemeinsame Veranstaltung der Physikalischen Gesellschaft zu Berlin e.V., der Freien Universität Berlin, der Humboldt-Universität zu Berlin, der Technischen Universität Berlin und der Universität Potsdam ‒ gefördert durch die Wilhelm und Else Heraeus-Stiftung

Photo-electro-chemical water splitting is a clean way of hydrogen production. Although III-nitride semiconductors have potentially favorable properties as water splitting photo-electrodes, they have several limitations for practical use. In this talk, the concept of a polarization-engineered nitride photocathode for water splitting is reviewed, along with fundamental characterization of nitride semiconductors as photo-electrodes. By incorporating multiple junctions, operation current densities up to 10 mA/cm2 under 1 sun are expected.

Moderation: Dieter Bimberg, Technische Universität Berlin

Kolloquium_20191107.pdf