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Wang X, Hu X, Qu Z, Sun T, Huang L, Xu S. MoS 2@MWCNTs with Rich Vacancy Defects for Effective Piezocatalytic Degradation of Norfloxacin via Innergenerated-H 2O 2: Enhanced Nonradical Pathway and Synergistic Mechanism with Radical Pathway. ACS APPLIED MATERIALS & INTERFACES 2024; 16:26257-26271. [PMID: 38728622 DOI: 10.1021/acsami.4c04152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Abstract
Molybdenum disulfide (MoS2)-based materials for piezocatalysis are unsatisfactory due to their low actual piezoelectric coefficient and poor electrical conductivity. Herein, 1T/3R phase MoS2 grown in situ on multiwalled carbon nanotubes (MWCNTs) was proposed. MoS2@MWCNTs exhibited the interwoven morphology of thin nanoflowers and tubes, and the piezoelectric response of MoS2@MWCNTs was 4.07 times higher than that of MoS2 via piezoresponse force microscopy (PFM) characterization. MoS2@MWCNTs exhibited superior activity with a 91% degradation rate of norfloxacin (NOR) after actually working 24 min (as for rhodamine B, reached 100% within 18 min) by pulse-mode ultrasonic vibration-triggered piezocatalysis. It was found that piezocatalysis for removing pollutants was attributed to the synergistic effect of free radicals (•OH and O2•-) and nonfree radical (1O2, key role) pathways, together with the innergenerated-H2O2 promoting the degradation rate. 1O2 can be generated by electron transfer and energy transfer pathways. The presence of oxygen vacancies (OVs) induced the transformation of O2 to 1O2 by triplet energy transfer. The fast charge transfer in MoS2@MWCNTs heterostructure and the coexistence of sulfur vacancies and OVs enhanced charge carrier separation resulting in a prominent piezoelectric effect. This work opens up new avenues for the development of efficient piezocatalysts that can be utilized for environmental purification.
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Affiliation(s)
- Xueyao Wang
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Xuyang Hu
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Zhengjun Qu
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Ting Sun
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
- Institute of Eco-Environmental Forensics, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Lihui Huang
- School of Environmental Science and Engineering, Shandong University, No.72 Binhai Road, Jimo District, Qingdao, Shandong 266237, PR China
| | - Shimin Xu
- 801 Hydrogeological Engineering Geological Brigade, Shandong Geological and Mineral Exploration and Development Bureau, Jinnan, Shandong 250013, PR China
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2
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Su X, Liang Z, He Q, Guo Y, Luo G, Han S, Yu L. Advanced three-dimensional hierarchical porous α-MnO 2nanowires network toward enhanced supercapacitive performance. NANOTECHNOLOGY 2024; 35:265402. [PMID: 35045400 DOI: 10.1088/1361-6528/ac4cf0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
Hierarchicalα-MnO2nanowires with oxygen vacancies grown on carbon fiber have been synthesized by a simple hydrothermal method with the assistance of Ti4+ions. Ti4+ions play an important role in controlling the morphology and crystalline structure of MnO2. The morphology and structure of the as-synthesized MnO2could be tuned fromδ-MnO2nanosheets to hierarchicalα-MnO2nanowires with the help of Ti4+ions. Based on its fascinating properties, such as many oxygen vacancies, high specific surface area and the interconnected porous structure, theα-MnO2electrode delivers a high specific capacitance of 472 F g-1at a current density of 1 A g-1and the rate capability of 57.6% (from 1 to 16 A g-1). The assembled symmetric supercapacitor based onα-MnO2electrode exhibits remarkable performance with a high energy density of 44.5 Wh kg-1at a power density of 2.0 kW kg-1and good cyclic stability (92.6% after 10 000 cycles). This work will provide a reference for exploring and designing high-performance MnO2materials.
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Affiliation(s)
- Xiaohui Su
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Zicong Liang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Qingqing He
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Yanxin Guo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Gaodan Luo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Shengbo Han
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
| | - Lin Yu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, Guangdong, 510006, People's Republic of China
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Song Z, Wang Z, Yu R. Strategies for Advanced Supercapacitors Based on 2D Transition Metal Dichalcogenides: From Material Design to Device Setup. SMALL METHODS 2023:e2300808. [PMID: 37735990 DOI: 10.1002/smtd.202300808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 08/15/2023] [Indexed: 09/23/2023]
Abstract
Recently, the development of new materials and devices has become the main research focus in the field of energy. Supercapacitors (SCs) have attracted significant attention due to their high power density, fast charge/discharge rate, and excellent cycling stability. With a lamellar structure, 2D transition metal dichalcogenides (2D TMDs) emerge as electrode materials for SCs. Although many 2D TMDs with excellent energy storage capability have been reported, further optimization of electrode materials and devices is still needed for competitive electrochemical performance. Previous reviews have focused on the performance of 2D TMDs as electrode materials in SCs, especially on their modification. Herein, the effects of element doping, morphology, structure and phase, composite, hybrid configuration, and electrolyte are emphatically discussed on the overall performance of 2D TMDs-based SCs from the perspective of device optimization. Finally, the opportunities and challenges of 2D TMDs-based SCs in the field are highlighted, and personal perspectives on methods and ideas for high-performance energy storage devices are provided.
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Affiliation(s)
- Zhifan Song
- Department of Energy Storage Science and Engineering, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Zumin Wang
- Department of Energy Storage Science and Engineering, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing, 100190, China
| | - Ranbo Yu
- Department of Energy Storage Science and Engineering, School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, 30, Xueyuan Road, Haidian District, Beijing, 100083, China
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Dai J, Yang C, Xu Y, Wang X, Yang S, Li D, Luo L, Xia L, Li J, Qi X, Cabot A, Dai L. MoS 2 @Polyaniline for Aqueous Ammonium-Ion Supercapacitors. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303732. [PMID: 37358064 DOI: 10.1002/adma.202303732] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 06/08/2023] [Indexed: 06/27/2023]
Abstract
Ammonium-ion aqueous supercapacitors are raising notable attention owing to their cost, safety, and environmental advantages, but the development of optimized electrode materials for ammonium-ion storage still lacks behind expectations. To overcome current challenges, here, a sulfide-based composite electrode based on MoS2 and polyaniline (MoS2 @PANI) is proposed as an ammonium-ion host. The optimized composite possesses specific capacitances above 450 F g-1 at 1 A g-1 , and 86.3% capacitance retention after 5000 cycles in a three-electrode configuration. PANI not only contributes to the electrochemical performance but also plays a key role in defining the final MoS2 architecture. Symmetric supercapacitors assembled with such electrodes display energy densities above 60 Wh kg-1 at a power density of 725 W kg-1 . Compared with Li+ and K+ ions, the surface capacitive contribution in NH4 + -based devices is lower at every scan rate, which points to an effective generation/breaking of H-bonds as the mechanism controlling the rate of NH4 + insertion/de-insertion. This result is supported by density functional theory calculations, which also show that sulfur vacancies effectively enhance the NH4 + adsorption energy and improve the electrical conductivity of the whole composite. Overall, this work demonstrates the great potential of composite engineering in optimizing the performance of ammonium-ion insertion electrodes.
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Affiliation(s)
- Juguo Dai
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
- Catalonia Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, Catalonia, 08930, Spain
| | - Chunying Yang
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Yiting Xu
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Xiaohong Wang
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Siyu Yang
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Dongxu Li
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Lili Luo
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Long Xia
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Junshan Li
- Catalonia Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, Catalonia, 08930, Spain
- Institute for Advanced Study, Chengdu University, Chengdu, 610106, China
| | - Xueqiang Qi
- College of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Andreu Cabot
- Catalonia Institute for Energy Research (IREC), Sant Adrià de Besòs, Barcelona, Catalonia, 08930, Spain
- ICREA, Pg. Lluis Companys 23, Barcelona, Catalonia, 08010, Spain
| | - Lizong Dai
- Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, 361005, China
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Jiang D, Li Y, Li Z, Yang Z, Xia Z, Fu P, Zhang Y, Du F. High-Performance MoS 2/SWCNT Composite Films for a Flexible Thermoelectric Power Generator. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37312394 DOI: 10.1021/acsami.3c04596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Single-walled carbon nanotube (SWCNT)-based thermoelectric materials have been extensively studied in the field of flexible wearable devices due to their high flexibility and excellent electrical conductivity (σ). However, poor Seebeck coefficient (S) and high thermal conductivity limit their thermoelectric application. In this work, free-standing MoS2/SWCNT composite films with improved thermoelectric performance were fabricated by doping SWCNTs with MoS2 nanosheets. The results demonstrated that the energy filtering effect at the MoS2/SWCNT interface increased the S of composites. In addition, the σ of composites was also improved due to the reason that S-π interaction between MoS2 and SWCNTs made good contact between MoS2 and SWCNTs and improved carrier transport. Finally, the obtained MoS2/SWCNT showed a maximum power factor of 131.9 ± 4.5 μW m-1 K-2 at room temperature with a σ of 680 ± 6.7 S cm-1 and an S of 44.0 ± 1.7 μV K-1 at a MoS2/SWCNT mass ratio of 15:100. As a demonstration, a thermoelectric device composed of three pairs of p-n junctions was prepared, which exhibited a maximum output power of 0.43 μW at a temperature gradient of 50 K. Therefore, this work offers a simple method of enhancing the thermoelectric properties of SWCNT-based materials.
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Affiliation(s)
- Duo Jiang
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Yi Li
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zan Li
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zhaohua Yang
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Zhixiang Xia
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Ping Fu
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Yunfei Zhang
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
| | - Feipeng Du
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
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Sun J, Li Y, Song H, Li H, Lai Q, Egabaierdi G, Li Q, Zhang S, He H, Li A. Enhanced capacitive deionization properties of activated carbon doped with carbon nanotube-bridged molybdenum disulfide. CHEMOSPHERE 2023; 310:136740. [PMID: 36209852 DOI: 10.1016/j.chemosphere.2022.136740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 09/24/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
The shortage of freshwater supplies has restricted societal development. Capacitive deionization (CDI) is an emerging technology for desalination of seawater or brackish water, the performance of which is highly dependent on electrode materials. In this work, a molybdenum disulfide/carbon nanotube composite (CNTs-b-MoS2) with high capacitance was successfully synthesized using a hydrothermal method. The composite exhibited a specific capacitance of 112.79 F g-1. To reduce costs and determine the practicality of using CNTs-b-MoS2 for CDI, we combined activated carbon (AC) with CNTs-b-MoS2 as a CDI electrode. The research demonstrated that after doping with 5% (mass ratio) CNTs-b-MoS2, the specific capacitance and electrosorption capacity of AC were significantly improved and the maximum desalination capacity of CNTs-b-MoS2/AC reached 8.19 mg g-1. The low dosage of CNTs-b-MoS2 combined with the high specific surface area of AC avoided the shortcomings of CNTs-b-MoS2, namely low specific surface area and high cost. Moreover, the outstanding conductivity of CNTs-b-MoS2 improved the conductivity and enhanced the adsorption capacity of AC, giving CNTs-b-MoS2/AC potential as an advanced, low-cost CDI electrode material.
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Affiliation(s)
- Jing Sun
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Yun Li
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Haiou Song
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China.
| | - Hongxiang Li
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Qian Lai
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Gusunkiz Egabaierdi
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Qimeng Li
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Shupeng Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, PR China.
| | - Huan He
- School of the Environment, Nanjing Normal University, Nanjing, 210023, PR China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, PR China
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Yang Z, Jia D, Zhao Q, Song D, Sun X, Zhang Y, Gao J, Ohsaka T, Matsumoto F, Shen Q, Wu J. A carbon cloth interlayer immobilizes carbon nanotube-supported ternary chalcogen compounds in novel lithium-chalcogenide batteries. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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A Review on Polyaniline: Synthesis, Properties, Nanocomposites, and Electrochemical Applications. INT J POLYM SCI 2022. [DOI: 10.1155/2022/9047554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The development in the use of polyaniline (PANI) in advanced studies makes us draw attention to the presented research and combine it into one study like this one. The unique composition of PANI qualifies it for use in electrochemical applications in addition to many other applications whose use depends on its mechanical properties. Based on this, it is necessary to limit the reactions that produce PANI and the cheapest cost, and then limit the current uses in the formation of nanocomposites with metals, their oxides, and/or carbon nanocomposites in order to determine what is missing from them and work on it again to expand its chemistry. The development in the use of PANI in advanced studies makes us draw attention to the research presented on PANI and combine it into one study. One of the very important things that made PANI possess a very huge research revolution are preparation in a variety of ways, easy and inexpensive, from which a daily product can be obtained with very high purity, as well as its distinctive properties that made it the focus of researchers in various scientific departments. The unique structure of PANI, which is easy to prepare in its pure form or with various chemical compounds including metals, metal oxides, and carbon nanomaterials (such as carbon nanotubes, graphene, graphene oxide, and reduced graphene oxide), qualifies it for use in electrochemical applications. The various studies reviewed showed that PANI gave good results in the applications of super capacitors. In some of the studies mentioned later, it gave a specific capacitance of 503 F/g, cycle stability 85% at 10,000 cycles, energy density 8.88 kW/kg, and power density 96 W h/kg. It was also noted that these values improved significantly when using PANI with its nanocomposites. Because of its good electrical conductivity and the possibility of preparing it with a high surface area with nanostructures in the form of nanowires, nanofibers, and nanotubes, PANI was used as a gas sensor. We have noticed, through the studies conducted in this field, that the properties of PANI as a basic material in gas sensors are greatly improved when it is prepared in the form of PANI nanocomposites, as explained in detail later. From this review, we tried with great effort to shed light on this attractive polymer in terms of its different preparation methods, its distinctive properties, its nanocomposites, and the type of polymerization used for each nanocomposites, as well as its applications in its pure form or with its nanocomposites in the supercapacitor and gas sensor applications.
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Bai M, Li W, Yang H, Dong W, Wang Q, Chang Q. Morphology-controlled synthesis of MoS 2 using citric acid as a complexing agent and self-assembly inducer for high electrochemical performance. RSC Adv 2022; 12:28463-28472. [PMID: 36320538 PMCID: PMC9533416 DOI: 10.1039/d2ra05351a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 09/27/2022] [Indexed: 11/15/2022] Open
Abstract
Two-dimensional MoS2 with a controllable morphology was prepared via a simple one-step hydrothermal method. Citric acid was used as a complexing agent and self-assembly inducer. The morphology of MoS2 changed from clusters to nanosheets, and, eventually, to stacked nanorods. A formation mechanism is proposed for the observed evolution of the morphology. The nanosheet structure presents a relatively large specific surface area, more exposed active sites and greater 1T phase content compared to the other morphologies. The electrochemical performance tests show that the MoS2 nanosheets exhibit excellent electrochemical behavior. Their specific capacitance is 320.5 F g-1, and their capacitance retention is up to 95% after 5000 cycles at 5 mA cm-2. This work provides a feasible approach for changing the morphology of MoS2 for high efficiency electrode materials for supercapacitors.
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Affiliation(s)
- Mingmin Bai
- School of Materials Science and Engineering, Jingdezhen Ceramic UniversityJingdezhen333403PR China
| | - Weixin Li
- Department of Humanities, Jingdezhen UniversityJingdezhen333499PR China
| | - Hu Yang
- School of Materials Science and Engineering, Jingdezhen Ceramic UniversityJingdezhen333403PR China
| | - Weixia Dong
- School of Materials Science and Engineering, Jingdezhen Ceramic UniversityJingdezhen333403PR China
| | - Qinyu Wang
- School of Materials Science and Engineering, Jingdezhen Ceramic UniversityJingdezhen333403PR China
| | - Qibing Chang
- School of Materials Science and Engineering, Jingdezhen Ceramic UniversityJingdezhen333403PR China
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Sriram B, Baby JN, Hsu YF, Wang SF, George M. In Situ Synthesis of a Bismuth Vanadate/Molybdenum Disulfide Composite: An Electrochemical Tool for 3-Nitro-l-Tyrosine Analysis. Inorg Chem 2022; 61:14046-14057. [PMID: 35998644 DOI: 10.1021/acs.inorgchem.2c02037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The quantification of 3-nitro-l-tyrosine (NO2-Tyr), an in vivo biomarker of nitrosative stress, is indispensable for the clinical intervention of various inflammatory disorders caused by nitrosative stress. By integrating the unique features of BiVO4 and MoS2 with matching bandgap energies, electrode materials with amplified response signals can be developed. In this regard, we introduce a hydrothermally synthesized bismuth vanadate sheathed molybdenum disulfide (MoS2@BiVO4) heterojunction as a highly sensitive electrode material for the determination of NO2-Tyr. Excellent electrochemical behavior perceived for the MoS2@BiVO4 augments the performance of the sensor and allows the measurement of NO2-Tyr in biological media without any time-consuming pretreatments. The synergistic interactions between BiVO4 and MoS2 heterojunctions contribute to low resistance charge transfer (Rct = 159.13 Ω·cm2), a reduction potential Epc = -0.58 V (vs Ag/AgCl), and a good response range (0.001-526.3 μM) with a lower limit of detection (0.94 nM) toward the detection of NO2-Tyr. An improved active surface area, reduced charge recombination, and high analyte adsorption contribute to the high loading of the biomarker for improved selectivity (in the presence of 10 interfering compounds), operational stability (1000 s), and reproducibility (six various modified electrodes). The proposed sensor was successfully utilized for the real-time determination of NO2-Tyr in water, urine, and saliva samples with good recovery values (±98.94-99.98%), ascertaining the reliability of the method. It is noteworthy that the electrochemical activity remains unaffected by other redox interferons, thus leading to targeted sensing applications.
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Affiliation(s)
- Balasubramanian Sriram
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Jeena N Baby
- Department of Chemistry, Stella Maris College, Affiliated to the University of Madras, Chennai, Tamil Nadu 600086, India.,Department of Chemistry, St. Mary's College, Sulthan Bathery, Wayanad, Kerala 673592, India
| | - Yung-Fu Hsu
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Sea-Fue Wang
- Department of Materials and Mineral Resources Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Mary George
- Department of Chemistry, Stella Maris College, Affiliated to the University of Madras, Chennai, Tamil Nadu 600086, India
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Akiyama T, Nakanishi S, Yaakob Y, Todankar B, Gupta VP, Asaka T, Ishii Y, Kawasaki S, Tanemura M. One-step and room-temperature fabrication of carbon nanocomposites including Ni nanoparticles for supercapacitor electrodes. RSC Adv 2022; 12:21318-21331. [PMID: 35975049 PMCID: PMC9344284 DOI: 10.1039/d2ra02780a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/15/2022] [Indexed: 11/29/2022] Open
Abstract
With the increasing importance of power storage devices, demand for the development of supercapacitors possessing both rapid reversible chargeability and high energy density is accelerating. Here we propose a simple process for the room temperature fabrication of pseudocapacitor electrodes consisting of a faradaic redox reaction layer on a metallic electrode with an enhanced surface area. As a model metallic electrode, an Au foil was irradiated with Ar+ ions with a simultaneous supply of C and Ni at room temperature, resulting in fine metallic Ni nanoparticles dispersed in the carbon matrix with local graphitization on the ion-induced roughened Au surface. A carbon layer including fine Ni nanoparticles acted as an excellent faradaic redox reaction layer and the roughened surface contributed to an increase in surface area. The fabricated electrode, which included only 14 μg cm−2 of Ni, showed a stored charge ability three times as large as that of the bulky Ni foil. Thus, it is believed that a carbon layer including Ni nanoparticles fabricated on the charge collective electrode with an ion-irradiation method is promising for the development of supercapacitors from the viewpoints of the reduced use of rare metal and excellent supercapacitor performance. The charge collective electrode with faradaic redox reactor consisting of carbon nanocomposite including Ni nanoparticles is promising for the supercapacitor electrode.![]()
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Affiliation(s)
- Tatsuya Akiyama
- Department of Physical Science and Engineering, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan +81 52 735 5379.,F.C.C. Co., Ltd 7000-36 Nakagawa, Hosoe-cho, Kita-ku, Hamamatsu-shi Shizuoka 431-1394 Japan
| | - Shuhei Nakanishi
- Department of Physical Science and Engineering, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan +81 52 735 5379
| | - Yazid Yaakob
- Department of Physics, Faculty of Science, Universiti Putra Malaysia 43400 Selangor Malaysia
| | - Bhagyashri Todankar
- Department of Physical Science and Engineering, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan +81 52 735 5379
| | - Vikaskumar Pradeepkumar Gupta
- Department of Physical Science and Engineering, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan +81 52 735 5379
| | - Toru Asaka
- Division of Advanced Ceramics and Frontier Research Institute for Materials Science, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Yosuke Ishii
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Shinji Kawasaki
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan
| | - Masaki Tanemura
- Department of Physical Science and Engineering, Nagoya Institute of Technology Gokiso-cho, Showa-ku Nagoya 466-8555 Japan +81 52 735 5379
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12
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Du X, Li Y, Zhang Z, Zhang C, Hu J, Wang X, Zhang R, Yang J, Zhou L, Zhang H, Liu M, Zhou J. An electrochemical biosensor for the assessment of tumor immunotherapy based on the detection of immune checkpoint protein programmed death ligand-1. Biosens Bioelectron 2022; 207:114166. [DOI: 10.1016/j.bios.2022.114166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/25/2022] [Accepted: 03/05/2022] [Indexed: 11/02/2022]
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13
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Li H, Xie F, Snyders R, Bittencourt C, Li W. Structural engineering of nitrogen‐doped MoS2 anchored on nitrogen‐doped carbon nanotubes towards enhanced hydrogen evolution reaction. ChemElectroChem 2022. [DOI: 10.1002/celc.202200420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- He Li
- Hengshui University Department of Chemistry CHINA
| | - Fei Xie
- Tianjin University of Technology School of Materials Science and Engineering, School of Chemistry and Chemical Engineering CHINA
| | - Rony Snyders
- Universite de Mons Chimie des Interactions Plasma-Surface BELGIUM
| | | | - Wenjiang Li
- Tianjin University of Technology Binshuixidao 391Materials Science and EngineeringLiqizhuangXiqing 300384 Tianjin CHINA
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14
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Sun C, Yu M, Li Y, Niu B, Qin F, Yan N, Xu Y, Zheng Y. MoS2 nanoflowers decorated natural fiber-derived hollow carbon microtubes for boosting perfluorooctanoic acid degradation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128670] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Bankole OE, Verma DK, Chávez González ML, Ceferino JG, Sandoval-Cortés J, Aguilar CN. Recent trends and technical advancements in biosensors and their emerging applications in food and bioscience. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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16
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Sahoo D, Shakya J, Choudhury S, Roy SS, Devi L, Singh B, Ghosh S, Kaviraj B. High-Performance MnO 2 Nanowire/MoS 2 Nanosheet Composite for a Symmetrical Solid-State Supercapacitor. ACS OMEGA 2022; 7:16895-16905. [PMID: 35647444 PMCID: PMC9134226 DOI: 10.1021/acsomega.1c06852] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 04/28/2022] [Indexed: 05/03/2023]
Abstract
To improve the production rate of MoS2 nanosheets as an excellent supercapacitor (SC) material and enhance the performance of the MoS2-based solid-state SC, a liquid phase exfoliation method is used to prepare MoS2 nanosheets on a large scale. Then, the MnO2 nanowire sample is synthesized by a one-step hydrothermal method to make a composite with the as-synthesized MoS2 nanosheets to achieve a better performance of the solid-state SC. The interaction between the MoS2 nanosheets and MnO2 nanowires produces a synergistic effect, resulting in a decent energy storage performance. For practical applications, all-solid-state SC devices are fabricated with different molar ratios of MoS2 nanosheets and MnO2 nanowires. From the experimental results, it can be seen that the synthesized nanocomposite with a 1:4 M ratio of MoS2 nanosheets and MnO2 nanowires exhibits a high Brunauer-Emmett-Teller surface area (∼118 m2/g), optimum pore size distribution, a specific capacitance value of 212 F/g at 0.8 A/g, an energy density of 29.5 W h/kg, and a power density of 1316 W/kg. Besides, cyclic charging-discharging and retention tests manifest significant cycling stability with 84.1% capacitive retention after completing 5000 rapid charge-discharge cycles. It is believed that this unique, symmetric, lightweight, solid-state SC device may help accomplish a scalable approach toward powering forthcoming portable energy storage applications.
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Affiliation(s)
- Dhirendra Sahoo
- Department
of Physics, School of Natural Sciences, Shiv Nadar University, NH-91, Greater Noida, Gautam Budha Nagar, Uttar Pradesh 201314, India
| | - Jyoti Shakya
- Department
of Physics, Indian Institute of Science Bangalore 560012, India
| | - Sudipta Choudhury
- Department
of Physics, School of Natural Sciences, Shiv Nadar University, NH-91, Greater Noida, Gautam Budha Nagar, Uttar Pradesh 201314, India
| | - Susanta Sinha Roy
- Department
of Physics, School of Natural Sciences, Shiv Nadar University, NH-91, Greater Noida, Gautam Budha Nagar, Uttar Pradesh 201314, India
| | - Lalita Devi
- School
of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Budhi Singh
- School
of Mechanical Engineering, Sungkyunkwan
University, Suwon 03063, South Korea
| | - Subhasis Ghosh
- School
of Physical Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Bhaskar Kaviraj
- Department
of Physics, School of Natural Sciences, Shiv Nadar University, NH-91, Greater Noida, Gautam Budha Nagar, Uttar Pradesh 201314, India
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17
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Lu Q, Wei Z, Liang J, Li C, Li L, Ma J. High‐Performance Supercapacitor Electrode Materials of Mo
1‐x
Co
x
S
2
Nanoparticles Prepared by Hydrothermal Method. ChemistrySelect 2022. [DOI: 10.1002/slct.202102794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qiang Lu
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Zhiqiang Wei
- School of Science Lanzhou University of Technology Lanzhou 730050 China
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals Lanzhou University of Technology Lanzhou 730050 China
| | - Jiahao Liang
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Chao Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Ling Li
- School of Science Lanzhou University of Technology Lanzhou 730050 China
| | - Jinhuan Ma
- School of Science Lanzhou University of Technology Lanzhou 730050 China
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18
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Wang J, Wang S, Olayiwola A, Yang N, Liu B, Weigand JJ, Wenzel M, Du H. Recovering valuable metals from spent hydrodesulfurization catalyst via blank roasting and alkaline leaching. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125849. [PMID: 33894437 DOI: 10.1016/j.jhazmat.2021.125849] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/20/2021] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
Spent hydrodesulfurization (HDS) catalysts, containing considerable amount of pollutants and metals including vanadium (V), molybdenum (Mo), aluminum (Al), and nickel (Ni), are considered as hazardous wastes which will result in not only ecosystem damage but also squandering resource. Herein, a process featuring blank roasting-alkaline leaching is proposed to recover spent HDS catalyst. During roasting, low-valence compounds convert to high-valence oxides which can be leached out by NaOH solution. Afterwards, leaching solution is subjected to crystallization to separate metals. The results show that for samples roasted at 650 °C, 97% V, 96% Mo, and 88% Al are leached out at optimal condition; for samples roasted at 1000 °C, selective leaching of 91% V and 96% Mo respectively, are realized, with negligible Al being dissolved. NiO is insoluble in strong alkali leaving in residue. The advantages of this process are that first, the leaching of V, Mo, and Al can be manipulated by controlling roasting conditions, providing flexible process design. Second, leaching solution can be fully recycled. Finally, mild leaching condition and clean separation of V, Mo, and Al is achieved, proving fundamental information for peer researches to facilitate their future research on the development of more efficient and cleaner technologies.
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Affiliation(s)
- Jianzhang Wang
- School of Metallurgy, Northeastern University, Shenyang 110819, China; CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Shaona Wang
- CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Afolabi Olayiwola
- CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Na Yang
- Beijing Hollysys Industrial Software Co., Ltd., Beijing 100176, China
| | - Biao Liu
- CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Jan J Weigand
- Faculty of Chemistry and Food Chemistry, TU Dresden, Dresden 01062, Germany
| | - Marco Wenzel
- Faculty of Chemistry and Food Chemistry, TU Dresden, Dresden 01062, Germany
| | - Hao Du
- CAS Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China.
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19
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Li L, Wei Z, Liang J, Ma J, Huang S. High-performance supercapacitor electrode materials of MoS2/PPY nanocomposites prepared by in-situ oxidative polymerization method. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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