Nano Energy, Journal Year: 2023, Volume and Issue: 115, P. 108727 - 108727
Published: July 20, 2023
Language: Английский
Nano Energy, Journal Year: 2023, Volume and Issue: 115, P. 108727 - 108727
Published: July 20, 2023
Language: Английский
Advanced Materials, Journal Year: 2023, Volume and Issue: 35(41)
Published: July 1, 2023
By providing dual active sites to synergistically accelerate H2 O dissociation and H+ reduction, ordered intermetallic alloys usually show extraordinary performance for pH-universal hydrogen evolution reaction (HER). Herein, activated N-doped mesoporous carbon spheres supported Pt3 Fe (Pt3 Fe/NMCS-A), as a highly-efficient electrocatalyst HER, are reported. The Fe/NMCS-A exhibits low overpotentials (η10 ) of 13, 29, 48 mV deliver 10 mA cm-2 in 0.5 m SO4 , 1.0 KOH, phosphate buffered solution (PBS), respectively, well robust stability maintain the overall catalytic performances. Theoretical studies reveal that strong Pt 5d-Fe 3d orbital electronic interactions negatively shift d-band center (εd 5d orbital, resulting reduced H* adsorption energy enhanced acidic HER activity. With acting co-adsorption *OH intermediates, barrier is required dissociate afford which greatly promotes formation alkaline neutral conditions. synthetic strategy further extended synthesis Co Ni with excellent activity electrolytes, demonstrating great potential these Pt-based practical applications.
Language: Английский
Citations
175Nature Reviews Materials, Journal Year: 2024, Volume and Issue: 9(3), P. 173 - 189
Published: Jan. 10, 2024
Language: Английский
Citations
110Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(45)
Published: Aug. 30, 2023
Abstract The hydrogen spillover effect has garnered considerable attention as a promising avenue to enhance the activity of evolution reaction (HER) in metal‐support compound materials. Herein, Pt atom dimers on NiOOH support are successfully synthesized with reversed effect, demonstrating much better alkaline HER than single atoms and clusters. Atomic electronic structure characterizations unequivocally verify anchoring through Pt─O bonds, thus obtaining enhanced effect. Theoretical experimental results indicate that exhibits pronounced water dissociation capability, while dimers, comparison clusters, demonstrate superior desorption ability. leads remarkable solutions, evidenced by an ultra‐small overpotential 13 mV at 10 mA cm −2 . These findings not only provide insights into potential use for HER, but also shed light designing high‐performance catalysts.
Language: Английский
Citations
107Small, Journal Year: 2022, Volume and Issue: 18(46)
Published: Sept. 23, 2022
Abstract In recent years, some experiments and theoretical work have pointed out that diatomic catalysts not only retain the advantages of monoatomic catalysts, but also introduce a variety interactions, which exceed limit catalytic performance can be applied to many fields. Here, interaction between adjacent metal atoms in is elaborated: synergistic effect, spacing enhancement effect (geometric effect), electronic effect. With regard classification characterization various new are classified into four categories: heteronuclear/homonuclear, with/without carbon carriers, their measures introduced explained detail. aspect preparation widely used atomic layer deposition method, metal–organic framework derivative simple ball milling method introduced, with emphasis on formation mechanism catalysts. Finally, effective control strategies key applications electrocatalysis, photocatalysis, thermal catalysis, other fields given.
Language: Английский
Citations
90Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(40)
Published: June 7, 2023
The pursuit of high metal utilization in heterogeneous catalysis has triggered the burgeoning interest various atomically dispersed catalysts. Our aim this review is to assess key recent findings synthesis, characterization, structure-property relationship and computational studies dual-atom catalysts (DACs), which cover full spectrum applications thermocatalysis, electrocatalysis photocatalysis. In particular, combination qualitative quantitative characterization with cooperation DFT insights, synergies superiorities DACs compare counterparts, high-throughput catalyst exploration screening machine-learning algorithms are highlighted. Undoubtably, it would be wise expect more fascinating developments field as tunable
Language: Английский
Citations
80Journal of Material Science and Technology, Journal Year: 2023, Volume and Issue: 171, P. 162 - 184
Published: Aug. 12, 2023
Language: Английский
Citations
72Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 343, P. 123448 - 123448
Published: Oct. 31, 2023
Language: Английский
Citations
70Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(42)
Published: June 14, 2023
Dual-atom catalysts (DACs) have been a new frontier in heterogeneous catalysis due to their unique intrinsic properties. The synergy between dual atoms provides flexible active sites, promising enhance performance and even catalyze more complex reactions. However, precisely regulating site structure uncovering dual-atom metal interaction remain grand challenges. In this review, we clarify the significance of inter-metal DACs based on understanding center structures. Three diatomic configurations are elaborated, including isolated single-atom, N/O-bridged dual-atom, direct dual-metal bonding interaction. Subsequently, up-to-date progress oxidation reactions, hydrogenation/dehydrogenation electrocatalytic photocatalytic reactions summarized. structure-activity relationship catalytic is then discussed at an atomic level. Finally, challenges future directions engineer discussed. This review will offer prospects for rational design efficient toward catalysis.
Language: Английский
Citations
49CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION), Journal Year: 2024, Volume and Issue: 59, P. 38 - 81
Published: April 1, 2024
Language: Английский
Citations
34Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(17), P. 10300 - 10306
Published: Jan. 1, 2024
Pt/rGNP exhibits much higher catalytic properties than other transition metal/rGNP catalysts for hydrogen evolution; its overpotential at 100 mA cm −2 in 0.5 M H 2 SO 4 is only 10.6 mV, and Tafel slope 14.53 mV dec −1 .
Language: Английский
Citations
33