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Feng ZY, Jiang JC, Meng LY. Carbon-based photoelectrochemical sensors: recent developments and future prospects. Dalton Trans 2024; 53:11192-11215. [PMID: 38864748 DOI: 10.1039/d4dt00534a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
Owing to the considerable potential of photoelectrochemical (PEC) sensors, they have gained significant attention in the analysis of biological, environmental, and food markers. However, the limited charge mass transfer efficiency and rapid recombination of electron hole pairs have become obstacles in the development of PEC sensors. In this case, considering the unique advantages of carbon-based materials, they can be used as photosensitizers, supporting materials and conductive substrates and coupled with semiconductors to prepare composite materials, solving the above problems. In addition, there are many types of carbon materials, which can have semiconductor properties and form heterojunctions after coupling with semiconductors, effectively promoting the separation of electron hole pairs. Herein, we aimed to provide a comprehensive analysis of reports on carbon-based PEC sensors by introducing their research and application status and discussing future development trends in this field. In particular, the types and performance improvement strategies of carbon-based electrodes and the working principles of carbon-based PEC sensors are explained. Furthermore, the applications of carbon-based photoelectric sensors in environmental monitoring, biomedicine, and food detection are highlighted. Finally, the current limitations in the research on carbon-based PEC sensors are emphasized and the need to enhance the sensitivity and selectivity through material modification, structural design, improved device performance, and other strategies are emphasized.
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Affiliation(s)
- Zhi-Yuan Feng
- Department of Chemistry, College of Science, Yanbian University, Park Road 977, Yanji, 133002, PR China
| | - Jin-Chi Jiang
- Department of Chemistry, College of Science, Yanbian University, Park Road 977, Yanji, 133002, PR China
| | - Long-Yue Meng
- Department of Chemistry, College of Science, Yanbian University, Park Road 977, Yanji, 133002, PR China
- Department of Environmental Science, College of Geography and Ocean Science, Yanbian University, Park Road 977, Yanji, 133002, PR China.
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Gorla FA, Santana Dos Santos C, de Matos R, Antigo Medeiros R, do Prado Ferreira M, Pereira Camargo L, Henrique Dall'Antonia L, Tarley CRT. Development of novel nanocomposite-modified photoelectrochemical sensor based on the association of bismuth vanadate and MWCNT-grafted-molecularly imprinted poly(acrylic acid) for dopamine determination at nanomolar level. Talanta 2024; 266:125044. [PMID: 37586281 DOI: 10.1016/j.talanta.2023.125044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 08/03/2023] [Accepted: 08/05/2023] [Indexed: 08/18/2023]
Abstract
This study proposes the development of a new photoelectrochemical (PEC) sensor for the determination of dopamine (DA) at nanomolar levels. The PEC sensor was based on a physical mixture of bismuth vanadate (BiVO4) with nanocomposite molecularly imprinted poly(acrylic acid) (MIP-AA) grafted onto MWCNTox by using the surface-controlled radical polymerization strategy with an INIFERTER reagent. XRD, diffuse reflectance spectroscopy (DRE), SEM, TEM, and TGA were employed to characterize the materials. Photoelectrochemical analyses were carried out with GCE/BiVO4/MIP-AA sensor under visible light using a potential of 0.6 V, phosphate buffer (0.1 mol L-1) at pH 7.0, and modifying the GCE with a film composed of monoclinic BiVO4 at 3.5 mg mL-1 and nanocomposite MIP prepared with acrylic acid (MIP-AA) at 0.1 mg mL-1. The proposed method using the GCE/BiVO4/MIP-AA sensor presented a limit of detection (LOD) of 2.9 nmol L-1, a linear range from 9.7 to 150 nmol L-1 and it was successfully applied for analysis of DA in urine samples using external calibration curve yielding recovery values of 90-105%. Additionally, the proposed PEC sensor allowed DA determination without interference from uric acid, ascorbic acid, epinephrine, norepinephrine, and other unwanted interferences.
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Affiliation(s)
- Felipe Augusto Gorla
- Federal Institute of Parana (IFPR), Campus Assis Chateaubriand, Avenida Cívica 475, Centro Cívico, Assis Chateaubriand, Parana, 85935-000, Brazil; State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Caroline Santana Dos Santos
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Roberto de Matos
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Roberta Antigo Medeiros
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Milena do Prado Ferreira
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Luan Pereira Camargo
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil
| | - Luiz Henrique Dall'Antonia
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), State University of Campinas (UNICAMP), Department of Analytical Chemistry, Cidade Universitária Vaz S/n, Campinas, Sao Paulo 13083-970, Brazil
| | - César Ricardo Teixeira Tarley
- State University of Londrina (UEL), Department of Chemistry, Rodovia Celso Garcia Cid, PR 445 Km 380, Londrina, Parana, 86050-482, Brazil; National Institute of Science and Technology in Bioanalysis (INCTBio), State University of Campinas (UNICAMP), Department of Analytical Chemistry, Cidade Universitária Vaz S/n, Campinas, Sao Paulo 13083-970, Brazil.
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Photoactivities regulating of inorganic semiconductors and their applications in photoelectrochemical sensors for antibiotics analysis: A systematic review. Biosens Bioelectron 2022; 216:114634. [DOI: 10.1016/j.bios.2022.114634] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 08/02/2022] [Accepted: 08/09/2022] [Indexed: 02/04/2023]
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Ultrasensitive photoelectrochemical microcystin-LR immunosensor using carboxyl-functionalized graphene oxide enhanced gold nanoclusters for signal amplification. Anal Chim Acta 2021; 1185:339078. [PMID: 34711309 DOI: 10.1016/j.aca.2021.339078] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/16/2021] [Accepted: 09/15/2021] [Indexed: 11/21/2022]
Abstract
An ultrasensitive photoelectrochemical (PEC) immunosensor based on gold nanoclusters (AuNCs) with 11-mercaptoundecanoic acid (MUA) ligands was fabricated for determination of microcystin-LR (MC-LR). The PEC immunosensor was developed by loading the monoclonal MC-LR antibody (Ab) to the MUA-AuNCs modified gold electrodes. After different measurement conditions being optimized, silver nanoparticles (AgNPs), gold nanorods (AuNRs), graphene oxide (GO) and carboxyl-functionalized graphene oxide (cGO) were introduced into MUA-AuNCs to enhance the sensing properties. The experimental result revealed that the sensitivity of PEC immunosensors was enhanced by both their photoelectrochemical properties and antibody loading properties with dependent relationship, which was different from the enhancement strategy of PEC sensors based on redox reactions. Among different hybrid nanocomposites, MUA-AuNCs/cGO not only improved the photoelectrochemical properties, but also loaded more antibodies for sensing, which resulted in best sensing performance. Thus, a universal method was proposed to enhance the sensing performance of PEC immunosensors based on impedance changes. Finally, MUA-AuNCs/cGO based PEC immunosensors exhibited a wide linear range of 0.001 nM-1000 nM with low detection limit of 0.011 pM (S/N = 3) for MC-LR determination. Meanwhile, the designed PEC immunosensors showed high selectivity, reproducibility and specificity, which provided the promising applications in aquatic environment.
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Shang X, Weng Q, Wang F, Wang J, Huang S, Chen S, Han Z, Chen J. Non-enzymatic photoelectrochemical sensors based on Schiff base and chitosan co-decorated TiO2 nanosheets for dopamine detection. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Fu Y, Xiao K, Zhang X, Du C, Chen J. Peptide Cleavage-Mediated and Environmentally Friendly Photocurrent Polarity Switching System for Prostate-Specific Antigen Assay. Anal Chem 2020; 93:1076-1083. [DOI: 10.1021/acs.analchem.0c04086] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yamin Fu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Ke Xiao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Cuicui Du
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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Bounegru AV, Apetrei C. Voltamperometric Sensors and Biosensors Based on Carbon Nanomaterials Used for Detecting Caffeic Acid-A Review. Int J Mol Sci 2020; 21:E9275. [PMID: 33291758 PMCID: PMC7730703 DOI: 10.3390/ijms21239275] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/11/2022] Open
Abstract
Caffeic acid is one of the most important hydroxycinnamic acids found in various foods and plant products. It has multiple beneficial effects in the human body such as antioxidant, antibacterial, anti-inflammatory, and antineoplastic. Since overdoses of caffeic acid may have negative effects, the quality and quantity of this acid in foods, pharmaceuticals, food supplements, etc., needs to be accurately determined. The present paper analyzes the most representative scientific papers published mostly in the last 10 years which describe the development and characterization of voltamperometric sensors or biosensors based on carbon nanomaterials and/or enzyme commonly used for detecting caffeic acid and a series of methods which may improve the performance characteristics of such sensors.
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Affiliation(s)
| | - Constantin Apetrei
- Department of Chemistry, Physics and Environment, Faculty of Sciences and Environment, “Dunărea de Jos” University of Galaţi, 47 Domnească Street, 800008 Galaţi, Romania;
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Wang X, Yu L, Kang Q, Chen L, Jin Y, Zou G, Shen D. Enhancing electrochemiluminescence of FAPbBr3 nanocrystals by using carbon nanotubes and TiO2 nanoparticles as conductivity and co-reaction accelerator for dopamine determination. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Ma S, Yang Q, Zhang W, Xiao G, Wang M, Cheng L, Zhou X, Zhao M, Ji J, Zhang J, Yue Z. Silver nanoclusters and carbon dots based light-addressable sensors for multichannel detections of dopamine and glutathione and its applications in probing of parkinson's diseases. Talanta 2020; 219:121290. [PMID: 32887032 DOI: 10.1016/j.talanta.2020.121290] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 06/03/2020] [Accepted: 06/10/2020] [Indexed: 11/19/2022]
Abstract
Parkinson's disease (PD) is a common neurological disease caused by nerve cells degradation which leads to extremely low level of dopamine (DA) in patients. Therefore, ultrasensitive DA detection is particularly important for the assessment and treatment of Parkinson's patients. In this research, photoelectrochemical (PEC) sensors based on Ag44(SR)30 nanoclusters (AgNCs) with 5-mercapto-2-nitrobenzoic acid (MNBA) ligands were first developed for ultrasensitive and selective detection of DA. Then, hybrid nanomaterials by introducing graphene oxide (GO) and silver nanoparticles (AgNPs) into AgNCs were used to enhance sensing properties. AgNCs/AgNPs/GO based PEC sensors achieved high sensitivity (7.476 nA/μM) and low limit of detection (LOD, S/N = 3, 53 nM) in the linear range 0.16-6 μM DA concentration. Besides DA, PD causes the concentration change of other analytes, such as glutathione (GSH). Multichannel detections of different analytes can provide more information in studying PD. Therefore, carbon dots (CDs) based PEC sensors were designed and achieved high sensing performances on GSH detection. Then, AgNCs/AgNPs/GO and CDs based PEC sensors were combined and extended into light-addressable sensors for multichannel detections of DA and GSH. Algorithms were used to solve interference problems to improve the measurement accuracy of DA and GSH in complex solution. Finally, PD biological model samples from mice were measured by light-addressable sensors. The relationships between the DA and GSH concentration and the PD stage were proved. Our designed light-addressable sensors exhibited advantages of multichannel detection, high sensitivity, fast response and so on. In the future, it can be expanded to detect more biological molecules to provide more information on studying PD.
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Affiliation(s)
- Song Ma
- Department of Microelectronics, Nankai University, Tianjin, 300350, China.
| | - Qiaochun Yang
- Department of Microelectronics, Nankai University, Tianjin, 300350, China.
| | - Wenwen Zhang
- Department of Life Science, Nankai University, Tianjin, 300071, China.
| | - Gang Xiao
- Department of Microelectronics, Nankai University, Tianjin, 300350, China.
| | - Mingliang Wang
- Department of Microelectronics, Nankai University, Tianjin, 300350, China.
| | - Linyang Cheng
- Department of Microelectronics, Nankai University, Tianjin, 300350, China.
| | - Xin Zhou
- Department of Pathophysiology, Shanxi Medical University, Taiyuan, 030001, China.
| | - Meng Zhao
- School of Electro-Mechanical Engineering, Xidian University, Xi'an, 710071, China.
| | - Jing Ji
- School of Electro-Mechanical Engineering, Xidian University, Xi'an, 710071, China.
| | - Jun Zhang
- Department of Life Science, Nankai University, Tianjin, 300071, China.
| | - Zhao Yue
- Department of Microelectronics, Nankai University, Tianjin, 300350, China; Tianjin Key Laboratory of Optoelectronic Sensor and Sensing Network Technology, Tianjin, 300350, China.
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10
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Lebepe TC, Parani S, Oluwafemi OS. Graphene Oxide-Coated Gold Nanorods: Synthesis and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2149. [PMID: 33126610 PMCID: PMC7693020 DOI: 10.3390/nano10112149] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 10/21/2020] [Accepted: 10/23/2020] [Indexed: 01/29/2023]
Abstract
The application of gold nanorods (AuNRs) and graphene oxide (GO) has been widely studied due to their unique properties. Although each material has its own challenges, their combination produces an exceptional material for many applications such as sensor, therapeutics, and many others. This review covers the progress made so far in the synthesis and application of GO-coated AuNRs (GO-AuNRs). Initially, it highlights different methods of synthesizing AuNRs and GO followed by two approaches (ex situ and in situ approaches) of coating AuNRs with GO. In addition, the properties of GO-AuNRs composite such as biocompatibility, photothermal profiling, and their various applications, which include photothermal therapy, theranostic, sensor, and other applications of GO-AuNRs are also discussed. The review concludes with challenges associated with GO-AuNRs and future perspectives.
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Affiliation(s)
- Thabang C. Lebepe
- Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South Africa; (T.C.L.); (S.P.)
- Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg 2028, South Africa
| | - Sundararajan Parani
- Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South Africa; (T.C.L.); (S.P.)
- Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg 2028, South Africa
| | - Oluwatobi S. Oluwafemi
- Department of Chemical Sciences, University of Johannesburg, P.O. Box 17011, Doornfontein, Johannesburg 2028, South Africa; (T.C.L.); (S.P.)
- Centre for Nanomaterials Science Research, University of Johannesburg, Johannesburg 2028, South Africa
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Li Z, Zhang H, Zha Q, Zhai C, Li W, Zeng L, Zhu M. Photo-electrochemical detection of dopamine in human urine and calf serum based on MIL-101 (Cr)/carbon black. Mikrochim Acta 2020; 187:526. [PMID: 32860113 DOI: 10.1007/s00604-020-04524-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 08/19/2020] [Indexed: 12/29/2022]
Abstract
A new photo-electrochemical sensor based on MIL-101(Cr) MOF/carbon black (CB) is fabricated and characterized. By using differential pulse voltammetry, dopamine (DA) can be effectively detected using a photo-electrochemical MIL-101(Cr)/CB sensor under visible light. The CB acts as the electron bridge to combine with the large specific surface area and photo-catalytic feature of MOF, which contribute to the improvements of sensitivity of DA detection. The concentration of the catalyst, pH value, accumulation potential, and accumulation time were also optimized. Furthermore, the electrochemical performances of MIL-101(Cr)/CB sensor was investigated by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), scan rate, electrochemically active surface area (ECSA), and amperometric responses. A detection limit of 0.38 nM (LOD = 3 sb/S, sb = 0.028) and a working range of 1 nM to 2.22 μM has been achieved. The MIL-101(Cr)/CB sensor exhibits excellent reproducibility, stability, and selectivity and also has satisfactory recovery rate for the analysis of real samples including calf serum and human urine. Graphical abstract.
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Affiliation(s)
- Zhi Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, People's Republic of China
| | - Hongmin Zhang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, People's Republic of China
| | - Qingbing Zha
- Department of Fetal Medicine, First Affiliated Hospital of Jinan University, Guangzhou, 510630, People's Republic of China
| | - Chunyang Zhai
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, People's Republic of China. .,School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, 315211, People's Republic of China.
| | - Wanbin Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, People's Republic of China
| | - Lixi Zeng
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, People's Republic of China
| | - Mingshan Zhu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, People's Republic of China.
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Enhancement anti-interference ability of photoelectrochemical sensor via differential molecularly imprinting technique demonstrated by dopamine determination. Anal Chim Acta 2020; 1125:201-209. [DOI: 10.1016/j.aca.2020.05.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/13/2020] [Accepted: 05/26/2020] [Indexed: 01/07/2023]
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13
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Zhang R, Fan Z. Nitrogen-doped carbon quantum dots as a “turn off-on” fluorescence sensor based on the redox reaction mechanism for the sensitive detection of dopamine and alpha lipoic acid. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112438] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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Chauhan N, Soni S, Agrawal P, Balhara YPS, Jain U. Recent advancement in nanosensors for neurotransmitters detection: Present and future perspective. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.12.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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15
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Resonance energy transfer in electrochemiluminescent and photoelectrochemical bioanalysis. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115745] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Li Z, Kang Q, Chen L, Zhang B, Zou G, Shen D. Enhancing aqueous stability and radiative-charge-transfer efficiency of CsPbBr3 perovskite nanocrystals via conductive silica gel coating. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2019.135332] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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17
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Ahmadi N, Bagherzadeh M, Nemati A. Comparison between electrochemical and photoelectrochemical detection of dopamine based on titania-ceria-graphene quantum dots nanocomposite. Biosens Bioelectron 2019; 151:111977. [PMID: 31999583 DOI: 10.1016/j.bios.2019.111977] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 10/28/2019] [Accepted: 12/17/2019] [Indexed: 01/16/2023]
Abstract
In this study, titania-ceria-graphene quantum dot (TC-GQD) nanocomposite was synthesized by hydrothermal method for the first time. The prepared nanomaterials were characterized by XRD, FTIR dynamic light scattering (DLS), FESEM, HRTEM, and EDX spectroscopy along with elemental mapping. The synergistic effect of the nanocomposite components was studied by diffuse reflectance spectroscopy (DRS) and electrical conductivity meter. The results showed that band gap of TC-GQD nanocomposite was shifted to visible lights relative to its components (1.3 eV), and electrical conductivity of the sample was significant increased to 89.5 μS cm-1. After chemical and physical characterization, prepared new nanocomposites were used to design a new electrochemical (EC) and photoelectrochemical (PEC) dopamine (DA) sensors. In both EC and PEC methods effecting experimental parameters were optimized. Due to the synergic effect of the nanocomposite components, an outstanding photocurrent response was observed for DA based on PEC sensor. A linear calibration curve with a lower detection limit of 22 nM DA, and sensitivity of 13.8 mA/mM(DA), in a wider range of 0.3-750 μM DA, was obtained for TC-GQD/GCE electrode in PEC. While, the TC-GQD/GCE electrode detected DA in the range of 1-500 μM DA, with two linear calibration curve, detection limit of 0.22 μM DA, and sensitivity of 4.9 mA/mM(DA), in the EC. Observed results from EC and PEC sensors are presented and compared.
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Affiliation(s)
- Nasrin Ahmadi
- Department of Materials Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mojtaba Bagherzadeh
- Reactor and Nuclear Safety Research School, Nuclear Science and Technology Research Institute, Isfahan, Iran.
| | - Ali Nemati
- Department of Materials Science & Engineering, Sharif University of Technology, Tehran, Iran.
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Li L, Li M, Liu H, Li B, Wang B. A portable non-enzyme photoelectrochemical ascorbic acid sensor based on BiVO4 electrode under 20 W LED light. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Gromova Y, Sokolova A, Kurshanov D, Korsakov I, Osipova V, Cherevkov S, Dubavik A, Maslov V, Perova T, Gun'ko Y, Baranov A, Fedorov A. Investigation of AgInS 2/ZnS Quantum Dots by Magnetic Circular Dichroism Spectroscopy. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3616. [PMID: 31689939 PMCID: PMC6862164 DOI: 10.3390/ma12213616] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/31/2019] [Accepted: 11/01/2019] [Indexed: 12/16/2022]
Abstract
Over recent years, quantum dots (QDs) based on ternary metal dichalcogenides have attracted a lot of attention due to their unique properties and a range of potential applications. Here, we review the latest studies on the optical properties of AgInS2/ZnS QDs with emphasis on their theoretical modeling, and present our investigations of electronic transitions invisible in unstructured absorption spectra of AgInS2/ZnS QDs. The analysis of the absorption, photoluminescence excitation (PLE), and magnetic circular dichroism (MCD) spectra of hydrophobic and hydrophilic AgInS2/ZnS QDs of different sizes enables us to determine positions of electron transitions in these QDs. We demonstrate that the use of the second derivative of PLE spectra provides more unequivocal data on the position of the energy transitions compared with the second derivative of absorption spectra. Analysis of the MCD spectra reveals that the magnetic field induces energy level mixing in AgInS2/ZnS QDs in contrast to the traditional Cd-based QDs, where MCD is associated only with removing degeneracy of the excited energy level.
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Affiliation(s)
- Yulia Gromova
- School of Chemistry, Trinity College, University of Dublin, Dublin 2, Dublin, Ireland.
| | - Anastasiia Sokolova
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Danil Kurshanov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Ivan Korsakov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Victoria Osipova
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Sergei Cherevkov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Aliaksei Dubavik
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Vladimir Maslov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Tatiana Perova
- School of Chemistry, Trinity College, University of Dublin, Dublin 2, Dublin, Ireland.
| | - Yurii Gun'ko
- School of Chemistry, Trinity College, University of Dublin, Dublin 2, Dublin, Ireland.
| | - Alexander Baranov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
| | - Anatoly Fedorov
- Center of informational optical technologies ITMO University, St. Petersburg 197101, Russia.
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Ga-Doped AgInS2 Modified with Co–Pi Co–catalyst for Efficient Photoelectrochemical Water Splitting. Catal Letters 2019. [DOI: 10.1007/s10562-019-03021-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Zhu H, Gan Z, Li D, Qin J, Zhang H, Wan M, Wu D. Sensitive detection of dopamine with ultrasound cavitation-enhanced fluorescence method. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Karakaya S. Development of an amperometric hydrazine sensor at a disposable poly(alizarin red S) modified pencil graphite electrode. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02513-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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