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Qiao H, Yu Y, Xu X, Hao R, Zheng Z, Wen B, Huang H, Hu J. Repairable body-centered cubic Fe 0 anchoring on porous hollow nitrogen-doped carbon spheres with adjusting electron distribution for efficient electrocatalytic ammonia synthesis. J Colloid Interface Sci 2024; 673:537-549. [PMID: 38885539 DOI: 10.1016/j.jcis.2024.06.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024]
Abstract
Electrocatalytic nitrogen reduction reaction (ENRR) is a promising and efficient method for ammonia production. However, ENRR is restricted by the adsorption and activation of N2. Herein, an efficient nitrogen reduction reaction (NRR) electrocatalyst loaded with zero valent iron (ZVI) particles onto porous nitrogen-doped carbon (NC) hollow spheres is reported. The optimal Fe@10N3C-950 exhibits excellent performance with high ammonia (NH3) yield (152.28 µg h-1 mgcat-1) and Faradaic efficiency (FE, 54.55 %) at - 0.3 V (versus reversible hydrogen electrode, vs. RHE). Bader charge shows that the adsorbed N2 acquires more electrons from Fe sites with body-centered cubic (BCC) structure to better activate N2. Moreover, i-t experiments are performed before electrocatalytic NH3 production to effectively eliminate the effect of oxidation on ZVI and thus, maintain high ENRR activity for Fe@10N3C-950. Theoretical calculations indicate that nitrogen doping not only reduces the Gibbs free energy of rate determining step (RDS), but the BCC-structured Fe can also decrease the energy barriers of N2 activation and RDS.
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Affiliation(s)
- Huici Qiao
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Yanming Yu
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Xin Xu
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Runxian Hao
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Zaihang Zheng
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Bin Wen
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China
| | - Hao Huang
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China.
| | - Jie Hu
- State Key Laboratory of Metastable Materials Science & Technology, Hebei Key Laboratory of Heavy Metal Deep Remediation in Water and Resource Reuse, Hebei Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, PR China.
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Ni Z, Yin F, Zhang J, Kofie G, Li G, Chen B, Guo P, Shi L. Boosting Electrocatalytic N 2 Reduction to NH 3 by Enhancing N 2 Activation via Interaction between Au Nanoparticles and MIL-101(Fe) in Neutral Electrolytes. Chemistry 2024; 30:e202401010. [PMID: 38517333 DOI: 10.1002/chem.202401010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 03/23/2024]
Abstract
Electrocatalytic nitrogen reduction reaction (NRR) has attracted much attention as a sustainable ammonia production technology, but it needs further exploration due to its slow kinetics and the existence of competitive side reactions. In this research, xAu/MIL-101(Fe) catalysts were obtained by loading gold nanoparticles (Au NPs) onto MIL-101(Fe) using a one-step reduction strategy. Herein, MIL-101(Fe), with high specific surface area and strong N2 adsorption capacity, is used as a support to disperse Au NPs to increase the electrochemical active surface area. Au NPs, with a high NRR activity, is introduced as the active site to promote charge transfer and intermediate formation rates. More importantly, the strong interaction between Au NPs and MIL-101(Fe) enhances the electron transfer between Au NPs and MIL-101(Fe), thereby enhancing the activation of N2 and achieving efficient NRR. Among the prepared catalysts, 15 %Au/MIL-101(Fe) has the highest NH3 yield of 46.37 μg h-1 mg-1 cat and a Faraday efficiency of 39.38 % at -0.4 V (vs. RHE). In-situ FTIR reveals that the NRR mechanism of 15 %Au/MIL-101(Fe) follows the binding alternating pathway and also indicates that the interaction between Au NPs and MIL-101(Fe) strengthens the activation of the N≡N bond in the rate-limiting process, thereby accelerating the NRR process.
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Affiliation(s)
- Ziyang Ni
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
| | - Fengxiang Yin
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
- Jiangsu Province Engineering Research Center of Intelligent Manufacturing Technology for the New Energy Vehicle Power Battery, Changzhou University, Changzhou, 213164, China
| | - Jie Zhang
- Jiangsu Province Engineering Research Center of Intelligent Manufacturing Technology for the New Energy Vehicle Power Battery, Changzhou University, Changzhou, 213164, China
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Gideon Kofie
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
| | - Guoru Li
- Jiangsu Province Engineering Research Center of Intelligent Manufacturing Technology for the New Energy Vehicle Power Battery, Changzhou University, Changzhou, 213164, China
| | - Biaohua Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
| | - Pengju Guo
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
| | - Liuliu Shi
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, P. R. China
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Jin S, Chen H, Pan K, Li R, Ma X, Yuan R, Meng X, He H. State-of-the-art electrochemical biosensors based on covalent organic frameworks and their hybrid materials. Talanta 2024; 270:125557. [PMID: 38128284 DOI: 10.1016/j.talanta.2023.125557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023]
Abstract
As the development of global population and industry civilization, the accurate and sensitive detection of intended analytes is becoming an important and great challenge in the field of environmental, medical, and public safety. Recently, electrochemical biosensors have been constructed and used in sensing fields, such as antibiotics, pesticides, specific markers of cancer, and so on. Functional materials have been designed and prepared to enhance detection performance. Among all reported materials, covalent organic frameworks (COFs) are emerging as porous crystalline materials to construct electrochemical biosensors, because COFs have many unique advantages, including large surface area, high stability, atom-level designability, and diversity, to achieve a far better sensing performance. In this comprehensive review, we not only summarize state-of-the-art electrochemical biosensors based on COFs and their hybrid materials but also highlight and discuss some typical examples in detail. We finally provide the challenge and future perspective of COFs-based electrochemical biosensors.
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Affiliation(s)
- Shi Jin
- Department of Basic Science, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Hongxu Chen
- College of Material and Textile Engineering, Jiaxing University, Jiaxing, 314001, PR China.
| | - Kexuan Pan
- College of Material and Textile Engineering, Jiaxing University, Jiaxing, 314001, PR China
| | - Ruyu Li
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Xingyu Ma
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China
| | - Rongrong Yuan
- Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, PR China.
| | - Xianshu Meng
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Tianjin Normal University, Tianjin, 300387, PR China
| | - Hongming He
- College of Chemistry, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Tianjin Normal University, Tianjin, 300387, PR China.
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Dai X, Du ZY, Sun Y, Chen P, Duan X, Zhang J, Li H, Fu Y, Jia B, Zhang L, Fang W, Qiu J, Ma T. Enhancing Green Ammonia Electrosynthesis Through Tuning Sn Vacancies in Sn-Based MXene/MAX Hybrids. NANO-MICRO LETTERS 2024; 16:89. [PMID: 38227269 DOI: 10.1007/s40820-023-01303-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/25/2023] [Indexed: 01/17/2024]
Abstract
Renewable energy driven N2 electroreduction with air as nitrogen source holds great promise for realizing scalable green ammonia production. However, relevant out-lab research is still in its infancy. Herein, a novel Sn-based MXene/MAX hybrid with abundant Sn vacancies, Sn@Ti2CTX/Ti2SnC-V, was synthesized by controlled etching Sn@Ti2SnC MAX phase and demonstrated as an efficient electrocatalyst for electrocatalytic N2 reduction. Due to the synergistic effect of MXene/MAX heterostructure, the existence of Sn vacancies and the highly dispersed Sn active sites, the obtained Sn@Ti2CTX/Ti2SnC-V exhibits an optimal NH3 yield of 28.4 µg h-1 mgcat-1 with an excellent FE of 15.57% at - 0.4 V versus reversible hydrogen electrode in 0.1 M Na2SO4, as well as an ultra-long durability. Noticeably, this catalyst represents a satisfactory NH3 yield rate of 10.53 µg h-1 mg-1 in the home-made simulation device, where commercial electrochemical photovoltaic cell was employed as power source, air and ultrapure water as feed stock. The as-proposed strategy represents great potential toward ammonia production in terms of financial cost according to the systematic technical economic analysis. This work is of significance for large-scale green ammonia production.
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Affiliation(s)
- Xinyu Dai
- Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province, College of Chemistry, Institute of Clean Energy Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Zhen-Yi Du
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, 030024, People's Republic of China
| | - Ying Sun
- Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province, College of Chemistry, Institute of Clean Energy Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China.
| | - Ping Chen
- School of Chemistry and Chemical Engineering, Anhui University, Hefei, 230601, People's Republic of China
| | - Xiaoguang Duan
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Junjun Zhang
- State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, 750021, Ningxia, People's Republic of China
| | - Hui Li
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Yang Fu
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Baohua Jia
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia
| | - Lei Zhang
- Guangdong Provincial Key Laboratory of Advanced Energy Storage Materials, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, People's Republic of China
| | - Wenhui Fang
- College of Chemical Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Jieshan Qiu
- College of Chemical Engineering, State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia.
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