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Jiang YX, Rani A, Nguyen NT, Nguyen TMP, Chang CT. Electrochemical detection of oxytetracycline employing sugarcane carbon modified graphite electrode. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:41734-41744. [PMID: 38030840 DOI: 10.1007/s11356-023-31090-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 11/13/2023] [Indexed: 12/01/2023]
Abstract
The present study used CeO2-Co3O4 quantum dots@porous carbon/multiwalled carbon nanotube (CeO2-Co3O4 QDs@PC/MWCNT/GE) composites to modify graphite electrodes to fabricate high-sensitivity electrochemical sensors to detect the presence of oxytetracycline (OTC). The quantum dots were made from waste sugarcane bagasse. The electrochemical analysis demonstrated the superior electrochemical performance of CeO2-Co3O4 QDs@PC/MWCNT/GE, with a peak current density of 1.276 mA/cm2. Electrochemical impedance spectroscopy (EIS) revealed lower impedance values for CeO2-Co3O4 QDs@PC/MWCNT/GE compared to other electrodes, indicating enhanced conductivity. The modified electrode exhibited an enlarged electrochemically active area, with values of 0.602 cm2, almost seven times that of the bare graphite electrode (0.079 cm2). The results showed that the CeO2-Co3O4 QDs@PC/MWCNT/GE had excellent performance for OTC detection, and its linear calibration range was 1.007 × 10-8 to 2.04 × 10-7 M (i.e., 0.005-0.1 ppm) and 1.007 × 10-6 to 1.209 × 10-4 M (i.e., 0.5-60 ppm). The limit of detection and limit of quantification were 1.23 nM (0.61 ppb) and 4.09 nM (2.03 ppb) (S/N = 3), respectively. The electrode demonstrated long-term stability for up to 7 weeks. This method provides a new way to prepare electrochemical sensors for OTC detection.
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Affiliation(s)
- Ya-Xuan Jiang
- Department of Environmental Engineering, National Ilan University, Yilan, 260, Taiwan ROC
- Department of Environmental Engineering, National Chung Hsing University, Hsinchu, 26047, Taiwan ROC
| | - Aishwarya Rani
- Department of Environmental Engineering, National Ilan University, Yilan, 260, Taiwan ROC
- Department of Bioenvironmental Systems Engineering, National Taiwan University, Taipei, 10617, Taiwan ROC
| | - Nhat-Thien Nguyen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 10608, Taiwan ROC
| | - Thi-Minh-Phuong Nguyen
- Faculty of Environmental and Natural Sciences, Duy Tan University, Da Nang, 550000, Vietnam
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam
| | - Chang-Tang Chang
- Department of Environmental Engineering, National Ilan University, Yilan, 260, Taiwan ROC.
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Das HT, Barai P, Dutta S, Das N, Das P, Roy M, Alauddin M, Barai HR. Polymer Composites with Quantum Dots as Potential Electrode Materials for Supercapacitors Application: A Review. Polymers (Basel) 2022; 14:polym14051053. [PMID: 35267876 PMCID: PMC8914643 DOI: 10.3390/polym14051053] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 02/04/2023] Open
Abstract
Owing to the nanometer size range, Quantum Dots (QDs) have exhibited unique physical and chemical properties which are favourable for different applications. Especially, due to their quantum confinement effect, excellent optoelectronic characteristics is been observed. This considerable progress has not only uplifted the singular usage of QDs, but also encouraged to prepare various hybrid materials to achieve superior efficiency by eliminating certain shortcomings. Such issues can be overcome by compositing QDs with polymers. Via employing polymer composite with QDs (PQDs) for supercapacitor applications, adequate conductivity, stability, excellent energy density, and better specific capacitance is been achieved which we have elaborately discussed in this review. Researchers have already explored various types of polymer nanocomposite with different QDs such as carbonaceous QDs, transition metal oxide/sulphide QDs etc. as electrode material for supercapacitor application. Synthesis, application outcome, benefits, and drawbacks of these are explained to portray a better understanding. From the existing studies it is clearly confirmed that with using PQDs electrical conductivity, electrochemical reactivity, and the charge accumulation on the surface have prominently been improved which effected the fabricated supercapacitor device performance. More comprehensive fundamentals and observations are explained in the current review which indicates their promising scopes in upcoming times.
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Affiliation(s)
- Himadri Tanaya Das
- Centre of Excellence for Advanced Materials and Applications, Utkal University, Bhubaneswar 751004, Odisha, India;
- Correspondence: (H.T.D.); (H.R.B.)
| | - Paritosh Barai
- Department of Biochemistry and Molecular Biology, Primeasia University, Dhaka 1213, Bangladesh;
| | - Swapnamoy Dutta
- CEITEC BUT, Brno University of Technology, Purkynova 123, 612 00 Brno, Czech Republic;
| | - Nigamananda Das
- Centre of Excellence for Advanced Materials and Applications, Utkal University, Bhubaneswar 751004, Odisha, India;
| | - Payaswini Das
- CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, Odisha, India;
| | - Madhusudan Roy
- Department of Computer Science and Engineering, University of Science and Technology Chittagong, Chattogram 4202, Bangladesh;
| | - Md. Alauddin
- Department of Theoretical and Computational Chemistry, University of Dhaka, Dhaka 1000, Bangladesh;
| | - Hasi Rani Barai
- Department of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Korea
- Correspondence: (H.T.D.); (H.R.B.)
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Facile synthesis of Pr-doped Co3O4 nanoflakes on the nickel-foam for high performance supercapacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Kaplin IY, Lokteva ES, Golubina EV, Lunin VV. Template Synthesis of Porous Ceria-Based Catalysts for Environmental Application. Molecules 2020; 25:E4242. [PMID: 32947806 PMCID: PMC7570565 DOI: 10.3390/molecules25184242] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 01/30/2023] Open
Abstract
Porous oxide materials are widely used in environmental catalysis owing to their outstanding properties such as high specific surface area, enhanced mass transport and diffusion, and accessibility of active sites. Oxides of metals with variable oxidation state such as ceria and double oxides based on ceria also provide high oxygen storage capacity which is important in a huge number of oxidation processes. The outstanding progress in the development of hierarchically organized porous oxide catalysts relates to the use of template synthetic methods. Single and mixed oxides with enhanced porous structure can serve both as supports for the catalysts of different nature and active components for catalytic oxidation of volatile organic compounds, soot particles and other environmentally dangerous components of exhaust gases, in hydrocarbons reforming, water gas shift reaction and photocatalytic transformations. This review highlights the recent progress in synthetic strategies using different types of templates (artificial and biological, hard and soft), including combined ones, in the preparation of single and mixed oxide catalysts based on ceria, and provides examples of their application in the main areas of environmental catalysis.
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Affiliation(s)
| | - Ekaterina S. Lokteva
- Chemistry Department, Lomonosov Moscow State University, Leninskie Gory 1/3, 119991 Moscow, Russia; (I.Yu.K.); (E.V.G.); (V.V.L.)
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Rare earth nanostructures based on PrO /CNT composites as potential electrodes for an asymmetric pseudocapacitor cell. J RARE EARTH 2020. [DOI: 10.1016/j.jre.2019.07.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Hu X, Wei L, Chen R, Wu Q, Li J. Reviews and Prospectives of Co
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O
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‐Based Nanomaterials for Supercapacitor Application. ChemistrySelect 2020. [DOI: 10.1002/slct.201904485] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xinran Hu
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Lishuang Wei
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Rui Chen
- Department of ChemistryLishui University Lishui 323000 P R China
| | - Qingsheng Wu
- School of Chemical Science and EngineeringTongji University Shanghai 200092 P R China
| | - Jiangfeng Li
- Department of ChemistryLishui University Lishui 323000 P R China
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Seal S, Jeyaranjan A, Neal CJ, Kumar U, Sakthivel TS, Sayle DC. Engineered defects in cerium oxides: tuning chemical reactivity for biomedical, environmental, & energy applications. NANOSCALE 2020; 12:6879-6899. [PMID: 32191231 DOI: 10.1039/d0nr01203c] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Nanocrystalline cerium oxide (nanoceria) is a rare earth oxide with a complex surface chemistry. This material has seen substantial investigation in recent years in both fundamental and applied studies due largely to more precise characterization of the unique surface structures, which mediate its pronounced redox activity. In particular, oxygen storage/buffering capacities have been thoroughly correlated with synthesis and processing condition effects on other material features such as surface (micro-) faceting, reconstruction, and (extent of) hydration. Key material features such as these modulate nanoceria redox performance by changing the crystal microenvironment. In this review, we present nanoengineering methods, which have produced increased nanoceria performance in biomedical, energy, and catalysis applications. The impact of combined/cooperative theoretical and experimental studies are highlighted throughout.
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Affiliation(s)
- Sudipta Seal
- Department of Materials Science & Engineering, Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, FL, USA.
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Supercapacitor Energy Storage Device Using Biowastes: A Sustainable Approach to Green Energy. SUSTAINABILITY 2019. [DOI: 10.3390/su11020414] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The demand for renewable energy sources worldwide has gained tremendous research attention over the past decades. Technologies such as wind and solar have been widely researched and reported in the literature. However, economical use of these technologies has not been widespread due partly to cost and the inability for service during of-source periods. To make these technologies more competitive, research into energy storage systems has intensified over the last few decades. The idea is to devise an energy storage system that allows for storage of electricity during lean hours at a relatively cheaper value and delivery later. Energy storage and delivery technologies such as supercapacitors can store and deliver energy at a very fast rate, offering high current in a short duration. The past decade has witnessed a rapid growth in research and development in supercapacitor technology. Several electrochemical properties of the electrode material and electrolyte have been reported in the literature. Supercapacitor electrode materials such as carbon and carbon-based materials have received increasing attention because of their high specific surface area, good electrical conductivity and excellent stability in harsh environments etc. In recent years, there has been an increasing interest in biomass-derived activated carbons as an electrode material for supercapacitor applications. The development of an alternative supercapacitor electrode material from biowaste serves two main purposes: (1) It helps with waste disposal; converting waste to a useful product, and (2) it provides an economic argument for the substantiality of supercapacitor technology. This article reviews recent developments in carbon and carbon-based materials derived from biowaste for supercapacitor technology. A comparison between the various storage mechanisms and electrochemical performance of electrodes derived from biowaste is presented.
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Nusrath K, Muraleedharan K. Synthesis, evaluation of kinetic characteristics and investigation of apoptosis of Cu2+-modified ceria nano discs. J RARE EARTH 2018. [DOI: 10.1016/j.jre.2018.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Zhang S, Guo Y, Li X, Li Z. Effects of cerium doping position on physicochemical properties and catalytic performance in methanol total oxidation. J RARE EARTH 2018. [DOI: 10.1016/j.jre.2018.01.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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