SAINT

05/01(목) 전문가초청특강은 POSTECH 황승준 교수님을 모시고 진행합니다.

관심있는 분들의 많은 참석 부탁드립니다.

ㅁ주제: Innovative Approaches towards Clean, Sustainable, and Affordable Catalysis: Exploring the Rational          Design of Molecular Catalysts

ㅁ일시: 05/01(목) 16:00

ㅁ장소: 제2종합연구동 83188호

ㅁ약력:

  ○ EXPERIENCES AND EDUCATION
          2025.03 – present POSTECH, Department of Chemistry, Associate Professor
          2019.06 – 2025.02 POSTECH, Department of Chemistry, Assistant Professor
          2018.05 – 2019.05 Massachusetts Institute of Technology, Department of Chemistry
                               Ruch L. Kirschstein NIH Post-Doctoral Fellow. Advisor: Alex T. Radosevich
          2012.09 – 2018.05 Harvard University, Ph D. in Chemistry and Chemical Biology (Inorganic Chemistry) Advisor: Daniel G. Nocera
         2009.03 – 2012.08 Research Scientist, Fuel Cell Research Center Korea Institute of Science and Technology (KIST)
         2007.02 – 2009.02 KAIST, M. S. in Chemistry (Organic Chemistry) Advisor: Prof. Sukbok Chang
         2002.03 – 2007.02 KAIST, B. S. in Chemistry (Summa Cum Laude)
 ○ HONORS AND AWARDS
         2018 Ruth Kirchstein NIH Postdoctoral Fellowship, NIH
         2016 2016 Ludo Frevel Crystallography Scholarship, ICDD
         2010 Best Employee Award as a distinguished research scientist, KIST
         2010 Best Poster Award, 9th Korea-Japan Symposium on Materials & Interfaces
         2007 – 2009 National Graduate Student Science and Technology Scholarship, National Research Foundation, Korea
         2002 – 2007 Merit-based Academic Scholarship, KAIST
         2005 Distinguished honor scholarship for top academic student, KAIST
         2003 Sang Gun Choi Scholarship, Department of Chemistry, KAIST

ㅁ초록:

The development of alternative energy sources beyond fossil fuels relies on the activation of small molecules (e.g., H₂, O₂, CH₄) through multi-electron, multi-proton reaction sequences. However, these processes face high kinetic barriers, requiring catalysts capable of mediating multi-electron reactivity. Inspired by metalloenzymes containing polynuclear transition metal assemblies, our group synthesized a range of dicopper complexes mimicking the active site of zeolite to systematically investigate the impact of secondary elements on the reactivity and stability of critical intermediates formed during multi-electron oxidation reactions. This seminar will also discuss a novel approach for developing catalysts with controlled internal electric fields to enhance selectivity in small molecule fixations and reactivity of catalysts. Strong electric fields can dramatically affect the relative energies of competing transition states and control the reactivity of synthetic catalysts. Additionally, we will explore the management of four-electron redox processes using main-group catalysts through phosphorus-ligand redox cooperativity, demonstrated by the activation of dioxygen and NOx gases using a distorted phosphorus complex capable of transmitting two electrons at the phosphorus center and another two electrons at the ligand. These studies aim to advance the development of efficient catalysts for alternative energy sources.