Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment

7.5K Views

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11:38 min

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December 3rd, 2019

DOI :

10.3791/59122-v

December 3rd, 2019

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Katharina Brinkert¹^,², Ömer Akay³, Matthias H. Richter¹^,⁴, Janine Liedtke², Katherine T. Fountaine⁵^,⁶, Hans-Joachim Lewerenz⁷, Michael Giersig³^,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

Summary

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Solar Hydrogen Production

Microgravity Environment

Nanostructured Photoelectrodes

Electrode Testing

Bremen Drop Tower

Electrochemical Gas Bubbles

Catalytic Hotspots

P type Indium Phosphide

Photoelectrochemical Cell

Light Intensity Adjustment

Potentiodynamic Cycling

Shadow Nanosphere Lithography

Rhodium Nanostructures

Polystyrene Beads

Styrene Solution

Chapters in this video

0:04

Title

0:51

Preparation of p-InP (p-type Indium Phosphide) Photoelectrodes

2:38

Fabrication of Rhodium Nanostructures

4:23

Photoelectrodeposition of Rhodium Nanoparticles

5:22

Photoelectrochemical Experiments in Microgravity

8:43

Results: p-InP Surface Modification

10:43

Conclusion

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