Gas Phase Electrochemical Reduction of CO 2 in Plastron Structures
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Student: Hamed Mehrabi
Degree: Ph.D., May 2021
Major Professor: Dr. Robert Coridan
Nanoscience & Engineering
- Superhydrophobic structures are used by insects for under water respiration.
- Techniques used in microfluidics can help mimic these structures such as lithography and micro contact printing.
Electrochemical CO2 reduction reaction (CO2RR) of into Hydro carbons and reducing by products such as formic Acid.
- Studying the interface of superhydrophobic structures.
- Electrochemical deposition of Cu in pH 0 – 10 solution at high rates to create dendritic structures.
- Cyclic voltammetry and chrono-amperometry in CO2 rich environment at different potentials
- Constant CO2flow during CO2RR.
- Gas chromatography for H2, C1 and C2 products.
- NMR for liquid products.
- Fabricating airtight electrochemical cells for accurate product analysis using CNC mill.
- Automated python scripts to calculate efficiencies from raw data files.
- Results showing the effect of copper morphology on product branching ratios in gas and liquid products.
- Multi-metalic catalysis by galvanic replacement
- Using Cu with different morphologies.
- Galvanic replacement of copper on different metals.
- Analysis of the interface by Mott Schottky analysis.
- Determining the 3D structure of the foams using Nano-CT