Non‐Interacting Ni and Fe Dual‐Atom Pair Sites in N‐Doped Carbon Catalysts for Efficient Concentrating Solar‐Driven Photothermal CO2 Reduction DOI
Shengpeng Mo,

Xinya Zhao,

Shuangde Li

et al.

Angewandte Chemie, Journal Year: 2023, Volume and Issue: 135(50)

Published: Oct. 30, 2023

Abstract Solar‐to‐chemical energy conversion under weak solar irradiation is generally difficult to meet the heat demand of CO 2 reduction. Herein, a new concentrated solar‐driven photothermal system coupling dual‐metal single‐atom catalyst (DSAC) with adjacent Ni−N 4 and Fe−N pair sites designed for boosting gas‐solid reduction H O simulated irradiation, even ambient sunlight. As expected, (Ni, Fe)−N−C DSAC exhibits superior catalytic performance (86.16 μmol g −1 h ), CH (135.35 ) 3 OH (59.81 which are equivalent 1.70‐fold, 1.27‐fold 1.23‐fold higher than those Fe−N−C catalyst, respectively. Based on theoretical simulations, Fermi level d‐band center Fe atom efficiently regulated in non‐interacting Ni dual‐atom electronic interaction through electron orbital hybridization DSAC. Crucially, distance between atoms Ni−N−N−Fe configuration means that additional as active site contributes main *COOH *HCO dissociation optimize corresponding barriers reaction process, leading specific dual pathways (COOH HCO pathways) initial production.

Language: Английский

Non‐Interacting Ni and Fe Dual‐Atom Pair Sites in N‐Doped Carbon Catalysts for Efficient Concentrating Solar‐Driven Photothermal CO2 Reduction DOI
Shengpeng Mo,

Xinya Zhao,

Shuangde Li

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(50)

Published: Oct. 30, 2023

Solar-to-chemical energy conversion under weak solar irradiation is generally difficult to meet the heat demand of CO2 reduction. Herein, a new concentrated solar-driven photothermal system coupling dual-metal single-atom catalyst (DSAC) with adjacent Ni-N4 and Fe-N4 pair sites designed for boosting gas-solid reduction H2 O simulated irradiation, even ambient sunlight. As expected, (Ni, Fe)-N-C DSAC exhibits superior catalytic performance CO (86.16 μmol g-1 h-1 ), CH4 (135.35 ) CH3 OH (59.81 which are equivalent 1.70-fold, 1.27-fold 1.23-fold higher than those Fe-N-C catalyst, respectively. Based on theoretical simulations, Fermi level d-band center Fe atom efficiently regulated in non-interacting Ni dual-atom electronic interaction through electron orbital hybridization DSAC. Crucially, distance between atoms Ni-N-N-Fe configuration means that additional as active site contributes main *COOH *HCO3 dissociation optimize corresponding barriers reaction process, leading specific dual pathways (COOH HCO3 pathways) initial production.

Language: Английский

Citations

52
Challenges and opportunities of atomic-scales reactive sites in thriving electrochemical CO2 reduction reaction DOI
Pengliang Sun, Sailin Liu, Xiong Zheng

et al.

Nano Today, Journal Year: 2024, Volume and Issue: 55, P. 102152 - 102152

Published: Jan. 13, 2024

Language: Английский

Citations

25
High-Efficiency Electrocatalytic Reduction of N2O with Single-Atom Cu Supported on Nitrogen-Doped Carbon DOI
Zhe Li, Yunshuo Wu, Haiqiang Wang

et al.

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(20), P. 8976 - 8987

Published: April 23, 2024

Nitrous oxide (N

Language: Английский

Citations

9
Review of Emerging Atomically Precise Composite Site‐Based Electrocatalysts DOI Open Access
Xinyi Yang,

Wanqing Song,

Tao Zhang

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(37)

Published: Aug. 6, 2023

Abstract Atomically precise composite site‐based catalysts with new electrocatalytic synergistic mechanisms and enhanced activities have emerged as a frontier in the electrocatalysis community. This topical review focuses on recent research advances of atomically metal sites‐based electrocatalysts. work first demonstrates an overview configurations sites, including discussion advanced methods employed for understanding sites. The then provides comprehensive organization previously reported methodologies synthesizing electrocatalysts Representative case studies are provided, starting from simple one‐step pyrolysis strategy to species‐by‐species multi‐step strategy. Based preceding discussions catalyst materials, further discusses unique raised by that different routine single species systems mainly involve oxygen reduction reaction, evolution hydrogen nitrogen carbon dioxide reaction. themes this section include true active center determination sites various types synergy mechanisms. Finally, critical unanswered questions remaining challenges, well promising underexplored directions identified.

Language: Английский

Citations

20
In situ investigations on Bi-based electrocatalyst construction and reaction dynamic monitoring toward efficient CO2 reduction DOI Creative Commons
Zeyang Li, Yusen Yang,

Hu Ding

et al.

Chem Catalysis, Journal Year: 2023, Volume and Issue: 3(10), P. 100767 - 100767

Published: Oct. 1, 2023

Language: Английский

Citations

18
Coupling single-atomic iron sites with iron nanoparticles for tandem-enhanced ammonia electrosynthesis from nitrate DOI
Lei Wang,

Panjie Guo,

Yun Han

et al.

Chem Catalysis, Journal Year: 2024, Volume and Issue: 4(4), P. 100936 - 100936

Published: Feb. 29, 2024

Language: Английский

Citations

7
Structural Design of Single‐Atom Catalysts for Enhancing Petrochemical Catalytic Reaction Process DOI
Min Li,

Guangxun Sun,

Zhidong Wang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(25)

Published: March 18, 2024

Abstract Petroleum, as the “lifeblood” of industrial development, is important energy source and raw material. The selective transformation petroleum into high‐end chemicals great significance, but still exists enormous challenges. Single‐atom catalysts (SACs) with 100% atom utilization homogeneous active sites, promise a broad application in petrochemical processes. Herein, research systematically summarizes recent progress SACs catalytic reaction, proposes role structural design enhancing performance, elucidates reaction mechanisms conversion processes, reveals high activity origins at atomic scale. Finally, key challenges are summarized an outlook on design, identification appropriate artificial intelligence technology provided for achieving scale‐up process.

Language: Английский

Citations

7
Harnessing single-atom catalysts for CO2 electroreduction: a review of recent advances DOI Creative Commons
Chang Chen, Jiazhan Li, Xin Tan

et al.

EES Catalysis, Journal Year: 2023, Volume and Issue: 2(1), P. 71 - 93

Published: Oct. 13, 2023

We use an alchemical furnace as the main concept, with three pillars representing general synthesis strategies for SACs. The four “elixirs” within chamber represent diverse regulation SACs in CO 2 RR applications.

Language: Английский

Citations

15
Comprehensive Insight Into Electronic Modulation of Rare‐Earth Elements for Enhancing Electrocatalytic Performance of Atomically Dispersed Materials DOI Open Access
Yanhui Cao, Xuerong Zheng, Yida Deng

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 2, 2025

Abstract Atomically dispersed materials have been a thriving research field due to their maximum atomic utilization and remarkable performance in energy conversion storage systems. Owing the large radius, strong oxophilicity, unique electronic properties, rare‐earth (RE) elements widely investigated as oxide carriers promoters atomically manipulate regulate structure of active species. Single‐atom state with an adjustable coordination environment on N‐doped carbon endows RE metals special states outstanding catalytic performances. A thorough comprehension modulation mechanism paves way for construction advanced RE‐based electrocatalysts high activity, stability, selectivity. This review provides widespread insight into roles modulating properties combined structure–performance relationship electrocatalysis processes. The characteristic physical chemical are highlighted, synthetic strategy is discussed. Finally, summary perspectives rational design development highly efficient catalysts proposed. aims provide guideline promoting effective functional materials.

Language: Английский

Citations

0
Site‐Defined High‐Loading Tellurium Single‐Atom Nanozymes Anchored on Checkerboard‐Patterned Graphyne for Sensor Array Construction DOI

Jianing Xia,

Jian Guo, Zhen Li

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Abstract Single‐atom nanozymes exhibit unique enzymatic activity due to their active centers, which resemble those of natural metalloenzymes. The design the anchoring sites single‐atom centers is an important factor that affects loading capacity and catalytic activity. Herein, para‐nitrogen‐doped graphyne with diamond cavity used as support, tellurium atoms are then anchored in nitrogen‐containing cavities, akin chess pieces placed on a chessboard grid. Due pre‐designed regular sites, site‐defined nanozyme (Te SAN) achieves high Te 19.21 wt.%. Therefore, SAN shows good peroxidase‐like To explain enhanced activity, density functional theory calculations performed results demonstrate doping enhances by lower Gibbs free energy barrier for formation •OH, key intermediate Finally, based inhibitory effect bisphenols SAN‐based sensor array successfully identifies five bisphenols, holding potential on‐site food safety monitoring. single this work provides new ideas precisely controlling synthesis nanozymes, exploring action mechanisms, enhancing activities.

Language: Английский

Citations

0