광 및 전기화학 기반 촉매 개발 전문가를 모시고 아래와 같이 세미나를 개최 할 예정이오니 많은 참여 바랍니다.

◆ 제목 : Rational design of catalyst and micro-reaction environment for effective photo-electrochemical fuel and value-added chemicals production

◆ 일시 : 2025. 01. 07 (화) 13:30 ~ 14:30

◆ 장소 : 60주년 107호

◆ 연사 : 장윤정 (Youn Jeong Jang) 조교수 (한양대학교 화학공학과)

◆ 초록 : A sustainable solution to the global energy crisis and climate change is to replace fossil fuels with renewable carbon-free or carbon-neutral fuels or value-added chemicals prepared by an environmentally friendly process. Solar energy is a dominant renewable energy source in terms of infinite life-time and the total amount of energy supplied to entire surface of the earth. The challenge is how to develop the ability to harvest, store and utilize solar energy. In this seminar, I will present efforts in designing photo-electrocatalysts for solar to fuel conversion including CO2 and N2 reduction. I also present endeavors toward mechanistic insight in photoexcited electron-hole pair generation, their separation and chemical reactions involving them.
Moreover, microenvironment engineering at the interface between electrolyte and electrode is a powerful approach to effectively control the formation and transformation of the key intermediates of catalysis. Components in electrolytes such as cations, anions, additives, and so on, have been considered as key factors highly participating in catalysis steps via interacting with catalytic active sites, reactants, intermediates, and products. Also, systematical approach is critical to develop triple-phase-boundary (water/gas/catalyst) via controlling and balancing concentrations of reactants close to catalysts. In this talk, I will present the efforts in designing micro-environmental engineering near electrocatalysts and developing total system and how they affect to enhance photo-electrochemical performances.


Reference)
1. Appl. Catal. A, General 687, 119960 (2024)
2. J. Energy Chem. 84, 394-401 (2023)
3. Appl. Surf. Sci. 620, 156812 (2023)
4. Angew. Chem. Int. Ed. 61, e202204117 (2022)
5. ACS Appl. Energy Mater. 5, 11018−11024 (2022)
6. J. Mater. Chem. A, 9, 20453-20465 (2021)
7. J. Mater. Chem. A, 8, 13842-13851 (2020)
8. ACS Energy Lett. 5, 6, 1834-1839 (2020)


◆ 문의 : 함형철, 032-860-7467, ham.hyungchul@inha.ac.kr

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