Metal-based nanocatalysts supported on carbon have significant prospect for industry. However, a straightforward method for efficient and stable nanocatalysts still remains extremely challenging. Inspired by the structure and comptosition of cell walls and membranes, an ion chemical bond anchoring, an in situ carbonization coreduction process, is designed to obtain composite catalysts on N-doped 2D carbon (C-N) loaded with various noble and non-noble metals (for example, Pt, Ru, Rh, Pd, Ag, Ir, Au, Co, and Ni) nanocatalysts. These 2 nm particles uniformly and stably bond with the C-N support since the agglomeration and growth are suppressed by anchoring the metal ions on the cell wall and membrane during the carbonization and reduction reactions. The Pt@C-N exhibits excellent catalytic activity and long-term stability for the hydrogen evolution reaction, and the relative overpotential at 100 mA cm is only 77 mV, which is much lower than that of commercial Pt/C and Pt single-atom catalysts reported recently.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7001642 | PMC |
| http://dx.doi.org/10.1002/advs.201902051 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Thiol Ligand-Modified Au for Highly Efficient Electroreduction of Nitrate to Ammonia.
Precis Chem
March 2024
Hefei National Research Center for Physical Sciences at the Microscale, Key Laboratory of Strongly-Coupled Quantum Matter Physics of Chinese Academy of Sciences, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.
Electroreduction of nitrate (NO ) to ammonia (NH) is an environmentally friendly route for NH production, serving as an appealing alternative to the Haber-Bosch process. Recently, various noble metal-based electrocatalysts have been reported for electroreduction of NO . However, the application of pure metal electrocatalysts is still limited by unsatisfactory performance, owing to the weak adsorption of nitrogen-containing intermediates on the surface of pure metal electrocatalysts.
View Article and Find Full Text PDFQuinoline Synthesis: Nanocatalyzed Green Protocols-An Overview.
ACS Omega
October 2024
Angadi Institute of Technology and Management (AITM), Savagaon Road, Belagavi, Karnataka 5800321, India.
Heterocyclic compounds are of great interest in our daily lives. They are widely distributed in nature and are synthesized in laboratories. Heterocycles play an important role in the metabolism of all living cells, including vitamins and coenzyme precursors like thiamine and riboflavin.
View Article and Find Full Text PDFRecent advancements in carbon/metal-based nano-catalysts for the reduction of CO to value-added products.
Chemosphere
September 2024
Department of Environmental Engineering and Management, Chaoyang University of Technology, Taichung City, 413310, Taiwan. Electronic address:
Due to the increased human activities in burning of fossil fuels and deforestation, the CO level in the atmosphere gets increased up to 415 ppm; although it is an essential component for plant growth, an increased level of CO in the atmosphere leads to global warming and catastrophic climate change. Various conventional methods are used to capture and utilize CO, among that a feasible and eco-friendly technique for creating value-added products is the CORR. Photochemical, electrochemical, thermochemical, and biochemical approaches can be used to decrease the level of CO in the atmosphere.
View Article and Find Full Text PDFRevealing Structural Evolution of Nickel Phosphide-Iron Oxide Core-Shell Nanocatalysts in Alkaline Medium for the Oxygen Evolution Reaction.
Chem Mater
July 2024
Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States.
Metal phosphide-containing materials have emerged as a potential candidate of nonprecious metal-based catalysts for alkaline oxygen evolution reaction (OER). While it is known that metal phosphide undergoes structural evolution, considerable debate persists regarding the effects of dynamics on the surface activation and morphological stability of the catalysts. In this study, we synthesize NiP -FeO core-shell nanocatalysts with an amorphous NiP core designed for enhanced OER activity.
View Article and Find Full Text PDFSilica Confinement for Stable and Magnetic Co-Cu Alloy Nanoparticles in Nitrogen-Doped Carbon for Enhanced Hydrogen Evolution.
Angew Chem Int Ed Engl
June 2024
Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, Queensland, 4072, Australia.
Ammonia borane (AB) with 19.6 wt % H content is widely considered a safe and efficient medium for H storage and release. Co-based nanocatalysts present strong contenders for replacing precious metal-based catalysts in AB hydrolysis due to their high activity and cost-effectiveness.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!