Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

DOI :

10.3791/59122-v

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December 3rd, 2019

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7,268 Views

Katharina Brinkert^1,2, Ömer Akay³, Matthias H. Richter^1,4, Janine Liedtke², Katherine T. Fountaine^5,6, Hans-Joachim Lewerenz⁷, Michael Giersig^3,8

¹Division of Chemistry and Chemical Engineering, California Institute of Technology, ²European Space Agency/ ESTEC, ³Department of Physics, Freie Universitat Berlin, ⁴Applied Physics and Sensors, Brandenburg University of Technology Cottbus, ⁵Resnick Sustainability Institute, California Institute of Technology, ⁶NG Next, Northrop Grumman Corporation, ⁷Division of Engineering and Applied Science and Joint Center for Artificial Photosynthesis, California Institute of Technology, ⁸International Academy of Optoelectronics at Zhaoqing, South China Normal University

Chapters

Efficient solar-hydrogen production has recently been realized on functionalized semiconductor-electrocatalyst systems in a photoelectrochemical half-cell in microgravity environment at the Bremen Drop Tower. Here, we report the experimental procedures for manufacturing the semiconductor-electrocatalyst device, details of the experimental set-up in the drop capsule and the experimental sequence during free fall.

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