Reconstructing Oxygen-Deficient Zirconia with Ruthenium Catalyst on Atomic-Scale Interfaces toward Hydrogen Production
Journal Article
·
· Advanced Functional Materials
- Sungkyunkwan Univ., Suwon (Korea, Republic of); Northwestern Univ., Evanston, IL (United States); OSTI
- Korea Institute of Science and Technology (KIST), Seoul (Korea, Republic of); Korea Univ., Seoul (Korea, Republic of)
- Sungkyunkwan Univ., Suwon (Korea, Republic of)
- Korea Institute of Science and Technology (KIST), Seoul (Korea, Republic of)
- Incheon National University (Korea, Republic of)
- Inha University, Incheon (Korea, Republic of)
- Northwestern Univ., Evanston, IL (United States)
- Chungnam National Univ., Daejeon (Korea, Republic of)
- Korea Institute of Science and Technology (KIST), Seoul (Korea, Republic of); University of Science and Technology (UST), Daejeon (Korea, Republic of); Kyung Hee Univ., Seoul (Korea, Republic of)
Downsizing a catalyst nanoparticle (NP) to a single atom (SA) has proven to be highly effective in increasing catalytic activity and decreasing the amount of catalyst required for various electrochemical reactions. However, insufficient stability of the single-atom site catalysts (SACs) is still a significant challenge for their practical application. Here, SACs firmly bound to stable metal oxide NPs are proposed to dramatically increase the electrochemical activity and stability of SA-based catalysts for hydrogen evolution reaction (HER). Starting from a Ru-infiltrated, Zr-based metal-organic framework (MOF), the tetragonal zirconium oxide (ZrO2-x) NPs-embedded carbon matrix is fabricated as support through facile pyrolysis. Simultaneously, Ru SAs as active sites are well dispersed on the surface of ZrO2-x NPs due to the generation of oxygen vacancies in the tetragonal ZrO2-x. Finally, the Ru-ZrO2-x SAC exhibits a 4–5 times higher mass activity than commercial Pt and Ru catalysts and superior durability due to strong metal-support interaction (SMSI) between Ru atoms and ZrO2-x substrate.
- Research Organization:
- Northwestern Univ., Evanston, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- FG02-87ER13808
- OSTI ID:
- 2419325
- Journal Information:
- Advanced Functional Materials, Journal Name: Advanced Functional Materials Journal Issue: 29 Vol. 33; ISSN 1616-301X
- Publisher:
- WileyCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Similar Records
Amorphous-crystalline transition-driven synthesis of Co single-atom catalysts on MoO3 for enhanced hydrogen evolution in acidic and alkaline media
Exploring Atomic-Scale Interactions at the Interface of Reducible Oxide and Ruthenium Nanocatalyst for Ammonia Decomposition
Deep Understanding of Strong Metal Interface Confinement: A Journey of Pd/FeOx Catalysts
Journal Article
·
Tue Apr 02 20:00:00 EDT 2024
· Chemical Engineering Journal
·
OSTI ID:2372830
Exploring Atomic-Scale Interactions at the Interface of Reducible Oxide and Ruthenium Nanocatalyst for Ammonia Decomposition
Journal Article
·
Mon Jun 02 20:00:00 EDT 2025
· ACS Materials Letters
·
OSTI ID:2571945
Deep Understanding of Strong Metal Interface Confinement: A Journey of Pd/FeOx Catalysts
Journal Article
·
Thu Jul 16 20:00:00 EDT 2020
· ACS Catalysis
·
OSTI ID:1810000