1
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Pak JS, Jang PH, Pak KM, Yang WC. Electrochemical Detection of Nitrite on PANI-TiO 2/Pt Nanocomposite-Modified Carbon Paste Electrodes Using TOPSIS and Taguchi Methods. ACS OMEGA 2024; 9:30583-30593. [PMID: 39035897 PMCID: PMC11256075 DOI: 10.1021/acsomega.4c02524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/03/2024] [Accepted: 06/11/2024] [Indexed: 07/23/2024]
Abstract
Platinum nanoparticles are widely used in electrocatalysis and sensors. In this work, a novel modified carbon paste electrode based on PANI-TiO2/Pt nanocomposites was developed electrochemically. To improve the performance of the PANI-TiO2/Pt composite-modified electrode, a Taguchi orthogonal array was used for experimental design, and the best values of factors affecting the performance were determined using the technique for order preference by similarity to ideal solution (TOPSIS) and Taguchi optimization methods. The electrochemical catalytic activities of the PANI-TiO2/Pt composite-modified electrode on the oxidation of nitrite was calculated by electrochemical analysis. The experimental results demonstrate that the PANI-TiO2/Pt electrode has pretty excellent electrocatalytic ability for the oxidation of nitrite. The sensing performances of the proposed electrode were evaluated, including linear detection range, sensitivity, LOD, selectivity, and stability for nitrite sensing.
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Affiliation(s)
- Jong Sung Pak
- Faculty
of Chemical Engineering, Kim Chaek University
of Technology, Pyongyang 999093, Democratic People’s
Republic of Korea
| | - Pum Hui Jang
- Faculty
of Chemical Engineering, Kim Chaek University
of Technology, Pyongyang 999093, Democratic People’s
Republic of Korea
| | - Kwang Myong Pak
- Faculty
of Chemical Engineering, Kim Chaek University
of Technology, Pyongyang 999093, Democratic People’s
Republic of Korea
| | - Won-Chol Yang
- Faculty
of Materials Science and Technology, Kim
Chaek University of Technology, Pyongyang 999093, Democratic People’s Republic of Korea
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2
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Zhou JF, Peng B, Ding M, Shan BQ, Zhu YS, Bonneviot L, Wu P, Zhang K. The nature of crystal facet effect of TiO 2-supported Pd/Pt catalysts on selective hydrogenation of cinnamaldehyde: electron transfer process promoted by interfacial oxygen species. Phys Chem Chem Phys 2024; 26:18854-18864. [PMID: 38946575 DOI: 10.1039/d4cp01406e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Supported noble metal nanocatalysts typically exhibit strong crystal plane dependent catalytic behavior, but their working mechanism is still unclear. Herein, using anatase TiO2 with well-exposed crystal facets of {101}, {100} and {001} as a prototype support, Pd- and Pt-based supported TiO2 nanocatalysts (TiO2-Pd and TiO2-Pt) were prepared by chemical reduction with NaBH4 as reducer, and they showed a distinct metal-dependent crystal facet effect in the selective hydrogenation of cinamaldehyde (CAL). For Pd-based nanocatalysts, most Pd species on the {100} plane of TiO2 are present in the oxidized form with positive charges and unexpectedly show higher reactivity than the Pd species in the zero-valence state on the {101} and {001} planes. On the contrary, Pt species on all three crystal planes of TiO2 show zero-valence state, with relatively low conversion, but much better selectivity for hydrogenation of a CO bond than Pd-based catalysts. Well-designed experiments manipulating the stability and type of surface oxygen species confirmed that the essence of the crystal facet effect of the catalyst support actually creates a unique nanoconfined interface at the molecular level to construct a surface p-band intermediate state (PBIS), which provides a new alternative channel for surface electron transfer and consequently accelerates the reaction kinetics.
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Affiliation(s)
- Jia-Feng Zhou
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Bo Peng
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Meng Ding
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Bing-Qian Shan
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Yi-Song Zhu
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
| | - Laurent Bonneviot
- Laboratoire de Chimie, Ecole Normale Supérieure de Lyon, Institut de Chimie de Lyon, Université de Lyon, 46 Allée d'italie, Lyon 69364 CEDEX 07, France
| | - Peng Wu
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- Institute of Eco-Chongming, Shanghai 202162, China
| | - Kun Zhang
- State Key Laboratory of Petroleum Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China.
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
- Institute of Eco-Chongming, Shanghai 202162, China
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3
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Ramesh A, Sahu PK, Duvvuri S, Subrahmanyam C. MnCo 2O 4 Spinel Nanorods for Highly Sensitive Electrochemical Detection of Nitrite. Inorg Chem 2024; 63:9941-9952. [PMID: 38738811 DOI: 10.1021/acs.inorgchem.4c01012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
The rational design of nitrite sensors has attracted significant research interest due to their widespread use and the associated risks of methemoglobinemia and carcinogenicity. The undisclosed nitrite-sensing performance of the spinel cobaltite MnCo2O4 (MCO) prepared by an oxalate-assisted coprecipitation method is reported in this study. Spectroscopy and microscopy investigations revealed the formation of uniform MCO nanorods with a high aspect ratio. The electrocatalytic nitrite oxidation at the MCO-coated glassy carbon electrode (MCO/GCE) indicated the promising performance of the synthesized material for nitrite sensing. MCO/GCE detects nitrite in a concentration range of 5 μM to 3 mM and has a limit of detection of 0.95 μM with a higher sensitivity of 857 μA mM-1 cm-2 in a response time of 4 s. In MCO, the mixed-valence states of Co2+/Co3+ confer a high electrical conductivity, and higher valent redox couples of Mn and Co impart remarkable electrocatalytic activity toward nitrite oxidation. MCO spinel undergoes facile and ultrafast faradaic reactions to mediate nitrite oxidation. Additionally, the mesopores of MCO nanorods facilitate the rapid diffusion of electrolyte and nitrite ions. Employing the electrode in sensing nitrite in milk, lake, and tap water samples further validates its potential application in real-life testing. MCO spinel nanorods showcase promising scope for utilization in the electrochemical sensing of nitrite and inspire further exploration of transition-metal oxide-based mixed-spinel materials.
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Affiliation(s)
- Asha Ramesh
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502285, India
| | - Pravat Kumar Sahu
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502285, India
| | - Suryakala Duvvuri
- Department of Chemistry, GITAM University, Visakhapatnam, Andhra Pradesh 530045, India
| | - Ch Subrahmanyam
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana 502285, India
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4
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Zhang LN, Jia GA, Ma C, Jia MQ, Li TS, Ni LB, Diao GW. Polyoxometalate-Intercalated Tremella-Like CoNi-LDH Nanocomposites for Electrocatalytic Nitrite-Ammonia Conversion. Inorg Chem 2024; 63:6787-6797. [PMID: 38556762 DOI: 10.1021/acs.inorgchem.4c00130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
The electrocatalytic reduction of NO2- (NO2RR) holds promise as a sustainable pathway to both promoting the development of emerging NH3 economies and allowing the closing of the NOx loop. Highly efficient electrocatalysts that could facilitate this complex six-electron transfer process are urgently desired. Herein, tremella-like CoNi-LDH intercalated by cyclic polyoxometalate (POM) anion P8W48 (P8W48/CoNi-LDH) prepared by a simple two-step hydrothermal-exfoliation assembly method is proposed as an effective electrocatalyst for NO2- to NH3 conversion. The introduction of POM with excellent redox ability tremendously increased the electrocatalytic performance of CoNi-LDH in the NO2RR process, causing P8W48/CoNi-LDH to exhibit large NH3 yield of 0.369 mmol h-1 mgcat-1 and exceptionally high Faradic efficiency of 97.0% at -1.3 V vs the Ag/AgCl reference electrode in 0.1 M phosphate buffer saline (PBS, pH = 7) containing 0.1 M NO2-. Furthermore, P8W48/CoNi-LDH demonstrated excellent durability during cyclic electrolysis. This work provides a new reference for the application of POM-based nanocomposites in the electrochemical reduction of NO2- to obtain value-added NH3.
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Affiliation(s)
- Lu-Nan Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Guang-An Jia
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Cheng Ma
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Meng-Qi Jia
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Tang-Suo Li
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Lu-Bin Ni
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
| | - Guo-Wang Diao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, Jiangsu, China
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5
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Xiang J, Zhao H, Chen K, Yang X, Chu K. Electrocatalytic nitrite reduction to ammonia on an Rh single-atom catalyst. J Colloid Interface Sci 2024; 659:432-438. [PMID: 38183809 DOI: 10.1016/j.jcis.2024.01.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/26/2023] [Accepted: 01/03/2024] [Indexed: 01/08/2024]
Abstract
Electrocatalytic NO2- reduction to NH3 (NO2RR) holds great promise as a green method for high-efficiency NH3 production. Herein, an Rh single-atom catalyst where isolated Rh supported on defective BN nanosheets (Rh1/BN) is reported to exhibit the exceptional NO2RR activity and selectivity. Extensive experimental and theoretical studies unveil that the high NO2RR performance of Rh1/BN arises from the single-atom Rh sites, which not only promote the activation and hydrogenation of NO2--to-NH3 process, but also hamper the undesired hydrogen evolution. Consequently, Rh1/BN assembled in a flow cell exhibits the highest NH3 yield rate of 2165.4 μmol h-1 cm-2 and FENH3 of 97.83 % at a high current density of 355.7 mA cm-2, ranking it the most efficient catalysts for NO2--to-NH3 conversion.
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Affiliation(s)
- Jiaqi Xiang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Hongyan Zhao
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Kai Chen
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Xing Yang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
| | - Ke Chu
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
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6
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Zhang H, Wang H, Cao X, Chen M, Liu Y, Zhou Y, Huang M, Xia L, Wang Y, Li T, Zheng D, Luo Y, Sun S, Zhao X, Sun X. Unveiling Cutting-Edge Developments in Electrocatalytic Nitrate-to-Ammonia Conversion. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312746. [PMID: 38198832 DOI: 10.1002/adma.202312746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/08/2024] [Indexed: 01/12/2024]
Abstract
The excessive enrichment of nitrate in the environment can be converted into ammonia (NH3) through electrochemical processes, offering significant implications for modern agriculture and the potential to reduce the burden of the Haber-Bosch (HB) process while achieving environmentally friendly NH3 production. Emerging research on electrocatalytic nitrate reduction (eNitRR) to NH3 has gained considerable momentum in recent years for efficient NH3 synthesis. However, existing reviews on nitrate reduction have primarily focused on limited aspects, often lacking a comprehensive summary of catalysts, reaction systems, reaction mechanisms, and detection methods employed in nitrate reduction. This review aims to provide a timely and comprehensive analysis of the eNitRR field by integrating existing research progress and identifying current challenges. This review offers a comprehensive overview of the research progress achieved using various materials in electrochemical nitrate reduction, elucidates the underlying theoretical mechanism behind eNitRR, and discusses effective strategies based on numerous case studies to enhance the electrochemical reduction from NO3 - to NH3. Finally, this review discusses challenges and development prospects in the eNitRR field with an aim to guide design and development of large-scale sustainable nitrate reduction electrocatalysts.
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Affiliation(s)
- Haoran Zhang
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
| | - Haijian Wang
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
| | - Xiqian Cao
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
| | - Mengshan Chen
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
| | - Yuelong Liu
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan, 650092, China
| | - Yingtang Zhou
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang, 316004, China
| | - Ming Huang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Lu Xia
- ICFO-Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, Castelldefels, Barcelona, 08860, Spain
| | - Yan Wang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Tingshuai Li
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
| | - Dongdong Zheng
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Yongsong Luo
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Shengjun Sun
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
| | - Xue Zhao
- Faculty of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, Yunnan, 650092, China
| | - Xuping Sun
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong, 250014, China
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7
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Zhang R, Shang S, Wang F, Chu K. Electrocatalytic reduction of nitrite to ammonia on undercoordinated Cu. Dalton Trans 2024; 53:3470-3475. [PMID: 38323778 DOI: 10.1039/d4dt00043a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Electrocatalytic NO2--to-NH3 reduction (NO2RR) has emerged as an intriguing route for simultaneous mitigation of harmful nitrites and production of valuable NH3. Herein, we design for the first time undercoordinated Cu nanowires (u-Cu) as an efficient and selective NO2RR electrocatalyst, delivering the maximum NO2--to-NH3 faradaic efficiency of 94.7% and an ammonia production rate of 494.5 μmol h-1 cm-2 at -0.7 V vs. RHE. Theoretical calculations reveal that the created undercoordinated Cu sites on u-Cu can enhance NO2- adsorption, boost NO2--to-NH3 energetics and restrict competitive hydrogen evolution, thereby enabling the active and selective NO2RR.
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Affiliation(s)
- Ruichao Zhang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
| | - Shiyao Shang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
| | - Fuzhou Wang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
| | - Ke Chu
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
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8
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Wu T, Zhang F, Wang J, Liu X, Tian Y, Chu K. Electrochemical reduction of nitrite to ammonia on amorphous MoO 3 nanosheets. Dalton Trans 2024; 53:877-881. [PMID: 38131476 DOI: 10.1039/d3dt03808d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Electrocatalytic NO2- reduction to NH3 (NO2RR) is an appealing approach for mitigating NO2- pollution and for the synthesis of valuable NH3, and so the exploration for high-performance NO2RR catalysts is pivotal yet remains challenging. Herein, amorphous MoO3 nanosheets (am-MoO3) were designed as a high-performance NO2RR electrocatalyst, delivering a maximum NO2--to-NH3 faradaic efficiency of 94.8% and NH3 yield rate of 480.4 μmol h-1 cm-2 at -0.6 V vs. RHE. Theoretical computations revealed that the largely enhanced NO2RR activity of am-MoO3 originated from the amorphization-induced O-vacancies, which could enhance the NO2--to-NH3 reaction energetics and hamper the competitive hydrogen evolution.
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Affiliation(s)
- Tingting Wu
- College of Science, Hebei North University, Zhangjiakou 075000, Hebei, China.
| | - Fengyu Zhang
- College of Science, Hebei North University, Zhangjiakou 075000, Hebei, China.
| | - Jingxuan Wang
- College of Science, Hebei North University, Zhangjiakou 075000, Hebei, China.
| | - Xiaoxu Liu
- College of Science, Hebei North University, Zhangjiakou 075000, Hebei, China.
| | - Ye Tian
- College of Science, Hebei North University, Zhangjiakou 075000, Hebei, China.
| | - Ke Chu
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
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9
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Liu B, Yu Y, Zhang G, Chu K. An Amorphization-Engineered Catalyst for Electrocatalytic Reduction of Nitric Oxide to Ammonia. Inorg Chem 2023; 62:20923-20928. [PMID: 38059925 DOI: 10.1021/acs.inorgchem.3c03986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Electrocatalytic NO-to-NH3 conversion (NORR) provides a fascinating route toward the eco-friendly and valuable production of NH3. In this study, amorphous FeS2 (a-FeS2) is first demonstrated as a high-efficiency catalyst for the NORR, showing a maximum FENH3 of 92.5% with a corresponding NH3 yield rate of 227.1 μmol h-1 cm-2, outperforming most NORR catalysts reported earlier. Experimental measurements combined with theoretical computations clarify that the exceptional NORR activity of a-FeS2 originates from the amorphization-induced upshift of the d-band center to promote the NO activation and NO-to-NH3 hydrogenation energetics.
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Affiliation(s)
- Baixing Liu
- School of Bailie Mechanical Engineering, Lanzhou City University, Lanzhou 730070, China
| | - Youjun Yu
- School of Bailie Mechanical Engineering, Lanzhou City University, Lanzhou 730070, China
| | - Guike Zhang
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
| | - Ke Chu
- School of Materials Science and Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
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10
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Feng D, Zhou L, White TJ, Cheetham AK, Ma T, Wei F. Nanoengineering Metal-Organic Frameworks and Derivatives for Electrosynthesis of Ammonia. NANO-MICRO LETTERS 2023; 15:203. [PMID: 37615796 PMCID: PMC10449763 DOI: 10.1007/s40820-023-01169-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/10/2023] [Indexed: 08/25/2023]
Abstract
Electrocatalytic synthesis under mild conditions has become increasingly important as one of the practical alternatives for industrial applications, especially for the green ammonia (NH3) industry. A properly engineered electrocatalyst plays a vital role in the realization of superior catalytic performance. Among various types of promising nanomaterials, metal-organic frameworks (MOFs) are competitive candidates for developing efficient electrocatalytic NH3 synthesis from simple nitrogen-containing molecules or ions, such as N2 and NO3-. In this review, recent advances in the development of electrocatalysts derived from MOFs for the electrosynthesis of NH3 are collected, categorized, and discussed, including their application in the N2 reduction reaction (NRR) and the NO3- reduction reaction (NO3RR). Firstly, the fundamental principles are illustrated, such as plausible mechanisms of NH3 generation from N2 and NO3-, the apparatus of corresponding electrocatalysis, parameters for evaluation of reaction efficiency, and detection methods of yielding NH3. Then, the electrocatalysts for NRR processes are discussed in detail, including pristine MOFs, MOF-hybrids, MOF-derived N-doped porous carbons, single atomic catalysts from pyrolysis of MOFs, and other MOF-related materials. Subsequently, MOF-related NO3RR processes are also listed and discussed. Finally, the existing challenges and prospects for the rational design and fabrication of electrocatalysts from MOFs for electrochemical NH3 synthesis are presented, such as the evolution of investigation methods with artificial intelligence, innovation in synthetic methods of MOF-related catalysts, advancement of characterization techniques, and extended electrocatalytic reactions.
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Affiliation(s)
- Daming Feng
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Lixue Zhou
- College of Chemistry, Liaoning University, Shenyang, 110036, People's Republic of China
| | - Timothy J White
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Anthony K Cheetham
- Materials Research Laboratory, University of California, Santa Barbara, CA, 93106, USA
| | - Tianyi Ma
- School of Science, RMIT University, Melbourne, VIC, 3000, Australia.
| | - Fengxia Wei
- Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis 08-03, Singapore, 138634, Singapore.
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11
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Zhu D, Zhang B, Chen J, Xie F, Zou Y, Chen P. CoFe nanoalloys encapsulated in nitrogen-doped carbon for efficient nitrite electroreduction to ammonia. Chem Commun (Camb) 2023. [PMID: 37464814 DOI: 10.1039/d3cc02073h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Electrochemical nitrite (NO2-) reduction to ammonia (NH3) can not only remove harmful NO2- in wastewater, but also produce valuable NH3. Herein, a CoFe nanoalloy encapsulated in nitrogen-doped carbon (CoFe-NC) electrocatalyst was fabricated for nitrite reduction, which achieved a high NH3 Faraday efficiency of 94.5%, and a large NH3 yield of 4050.6 μg h-1 cm-2 in a neutral electrolyte.
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Affiliation(s)
- Dongdong Zhu
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Binbin Zhang
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Junlong Chen
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui, 230601, China.
| | - Fangxi Xie
- Department of Chemical Engineering, The University of Melbourne, Victoria, 3010, Australia
| | - Yan Zou
- School of Chemistry and Materials Science, Institute of Advanced Materials and Flexible Electronics (IAMFE), Nanjing University of Information Science and Technology, Nanjing, 210044, China
| | - Ping Chen
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui, 230601, China.
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12
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Adalder A, Paul S, Ghorai B, Kapse S, Thapa R, Nagendra A, Ghorai UK. Selective Electrocatalytic Oxidation of Nitrogen to Nitric Acid Using Manganese Phthalocyanine. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37449852 DOI: 10.1021/acsami.3c01847] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Ammonia is produced through the energy-intensive Haber-Bosch process, which undergoes catalytic oxidation for the production of commercial nitric acid by the senescent Ostwald process. The two energy-intensive industrial processes demand for process sustainability. Hence, single-step electrocatalysis offers a promising approach toward a more environmentally friendly solution. Herein, we report a 10-electron pathway associated one-step electrochemical dinitrogen oxidation reaction (N2OR) to nitric acid by manganese phthalocyanine (MnPc) hollow nano-structures under ambient conditions. The catalyst delivers a nitric acid yield of 513.2 μmol h-1 gcat-1 with 33.9% Faradaic efficiency @ 2.1 V versus reversible hydrogen electrode. The excellent N2OR performances are achieved due to the specific-selectivity, presence of greater number of exposed active sites, recyclability, and long period stability. The extended X-ray absorption fine structure confirms that Mn atoms are coordinated to the pyrrolic and pyridinic nitrogen via Mn-N4 coordination. Density functional theory-based theoretical calculations confirm that the Mn-N4 site of MnPc is the main active center for N2OR, which suppresses the oxygen evolution reaction. This work provides a new arena about the successful example of one step nitric acid production utilizing a Mn-N4 active site-based metal phthalocyanine electrocatalyst by dinitrogen oxidation for the development of a carbon-neutral sustainable society.
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Affiliation(s)
- Ashadul Adalder
- Department of Industrial Chemistry & Applied Chemistry, Swami Vivekananda Research Centre, Ramakrishna Mission Vidyamandira, Belur Math, Howrah 711202, India
| | - Sourav Paul
- Department of Industrial Chemistry & Applied Chemistry, Swami Vivekananda Research Centre, Ramakrishna Mission Vidyamandira, Belur Math, Howrah 711202, India
| | - Biswajit Ghorai
- Department of Industrial Chemistry & Applied Chemistry, Swami Vivekananda Research Centre, Ramakrishna Mission Vidyamandira, Belur Math, Howrah 711202, India
| | - Samadhan Kapse
- Department of Physics, SRM University─AP, Amaravati, Andhra Pradesh 522240, India
| | - Ranjit Thapa
- Department of Physics, SRM University─AP, Amaravati, Andhra Pradesh 522240, India
| | - Abharana Nagendra
- Atomic & Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Uttam Kumar Ghorai
- Department of Industrial Chemistry & Applied Chemistry, Swami Vivekananda Research Centre, Ramakrishna Mission Vidyamandira, Belur Math, Howrah 711202, India
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Aydın R, Akkaya A, Kahveci O, Şahin B. Nanostructured CuO Thin-Film-Based Conductometric Sensors for Real-Time Tracking of Sweat Loss. ACS OMEGA 2023; 8:20009-20019. [PMID: 37305318 PMCID: PMC10249139 DOI: 10.1021/acsomega.3c02232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/11/2023] [Indexed: 06/13/2023]
Abstract
Enhanced sweat sensors lead to real-time, sustained, noninvasive tracking of sweat loss, ensure insight into individual health conditions at the molecular level, and have obtained prominent interest for their hopeful implementations in customized health tracking. Metal-oxide-based nanostructured electrochemical amperometric sensing materials are the best selection for continuous sweat monitoring devices owing to their high stability, high-sensing capacity, cost-effectiveness, miniaturization, and wide applicability. In this research, CuO thin films have been fabricated by successive ionic layer adsorption and reaction technique (SILAR) with and without the addition of Lawsonia inermis L. (Henna, (LiL)) leaf extract (C10H6O3, 2-hydroxy-1,4-naphthoquinone) with a high-sensitive and rapid response for sweat solution. Despite the pristine film being responsive to the 65.50 mM sweat solution (S = 2.66), the response characteristic improves to 3.95 for the 1.0% LiL-implemented CuO film. Unmodified, 1.0% LiL and 3.0% LiL-substituted thin-film materials assure considerable linearity with linear regression ranges, R2, of 0.989, 0.997, and 0.998, respectively. It is noteworthy here that this research aims to determine an enhanced system that could potentially be implemented in real-life sweat-tracking administrations. Real-time sweat loss tracking capabilities of CuO samples was found to be promising. Derived from these outcomes, we concluded that the fabricated nanostructured CuO-based sensing system is a useful application for the continuous observation of sweat loss as a biological argument and compatibility with other microelectronic technologies.
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Affiliation(s)
- Raşit Aydın
- Department
of Physics, Faculty of Sciences, Selcuk
University, Konya 42130, Turkey
| | - Abdullah Akkaya
- Mucur
Technical Vocational Schools, Tech. Prog. Department, Kırşehir Ahi Evran University, Kırşehir 40100, Turkey
| | - Osman Kahveci
- Department
of Physics, Faculty of Sciences, Erciyes
University, Kayseri 38039, Turkey
| | - Bünyamin Şahin
- Department
of Basic Sciences, Faculty of Engineering, Necmettin Erbakan University, Konya 42090, Turkey
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