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Young Soo Kang

Young Soo Kang

Sogang University, South Korea

Title: Artificial Photosynthesis: Solar Light Driven Selective Methanol Production by CO2 Reduction

Biography

Biography: Young Soo Kang

Abstract

Selective production of methanol via artificial photosynthesis (AP) is new paradigm of energy source to solve the greenhouse effect. Since the first concept of AP suggested in 1912, realization of AP is going through tough time in adjusting several key parameters. The key parameters for one-pot CO2 reduction reaction to methanol are band gap engineering, multi-electron production and shuttling from photoanode to cathode, pH and polarity of reaction media and well-tuned reduction potential for CO2 reduction. Herein, we suggest well-tuned photoelectrochemical system of AP for alcohol production from CO2. Facet-engineered photoanode materials are used for multi-electron production by solar energy. Cathode material complexes are used for shuttling multi-electrons to CO2 with appropriate reduction potential, leading one-pot reaction of CO2 to alcohol reduction. Also, we will introduce the complex structure of cathode materials, reducing thermo-dynamical energies for rate determinant step for CO2 reduction, which is first electron transport to CO2 , making AP much easier than before.