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Dual-Functional Electrocatalyst Derived from Iron-Porphyrin-Encapsulated Metal-Organic Frameworks
- Dual-Functional Electrocatalyst Derived from Iron-Porphyrin-Encapsulated Metal-Organic Frameworks
- Park, Jungwon; Lee, Hyunjoon; Bae, Young Eun; Park, Kyoung Chul; Ji, Hoon; Jeong, Nak Cheon; Lee, Min Hyung; Kwon, Oh Joong; Lee, Chang Yeon
- DGIST Authors
- Ji, Hoon; Jeong, Nak Cheon
- Issue Date
- ACS Applied Materials and Interfaces, 9(34), 28758-28765
- Article Type
- Cost Effectiveness; Crystalline Materials; Doping (Additives); Electrocatalysts; Electrolytic Reduction; FeNx; High Durability; Hydrogen Evolution Reaction; Hydrogen Evolution Reactions; Iron; Iron Carbide; Iron Carbides; Metal Organic Framework (MOF); Metal Organic Frameworks (MOFs); Metals; N Doped; N Doped Carbon; Organometallics; Oxygen Reduction Reaction; Porphyrins; Pyrolysis; Renewable Energy Resources
- Active, stable electrocatalysts based on non-precious metals for the oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER) are critical for the development of cost-effective, efficient renewable energy technologies. Here, Fe/Fe3C-embedded nitrogen-doped carbon was fabricated via pyrolysis of iron-porphyrin-encapsulated mesoporous metal-organic frameworks [PCN-333 (Fe), where "PCN" stands for "porous coordination network"] at 700 °C. The various characterization techniques confirmed that Fe- and Fe3C-containing Fe-N-C material (FeP-P333-700) was successfully prepared by pyrolysis of porphyrin-encapsulated PCN-333 (Fe). FeP-P333-700 exhibited superior electrocatalytic performance for the ORR and HER owing to the synergistic effect of Fe/Fe3C and Fe-N-C active sites. © 2017 American Chemical Society.
- American Chemical Society
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