1
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Golestaneh M. Applicability of a graphene oxide nanocomposite for fabrication of an electrochemical sensor for simultaneous detection of sunset yellow and rhodamine B in food samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5500-5509. [PMID: 37843022 DOI: 10.1039/d3ay01373a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Developing a sensitive portable sensor for the determination of food additives is very important. Herein, a simple and sensitive electrochemical sensor has been constructed based on a carbon paste electrode (CPE) modified with graphene oxide (GO) nanosheets for the simultaneous determination of sunset yellow (SY) and rhodamine B (RhB) in phosphate buffer solution (pH = 4). The cyclic and differential pulse voltammetry (CV and DPV) results revealed two well-resolved anodic peaks for SY and RhB with a remarkable increase in oxidation signals of these colorants. Based on this, an electrochemical method was developed for the first time for the simultaneous detection of SY and RhB. Applicability of the sensor was confirmed in various concentrations of two analytes in two linear ranges of 1-20 μM for SY and 1-30 μM for RhB with a limit of detection (LOD) of 10.0 nM and 20.0 nM, respectively. Furthermore, the proposed sensor was successfully employed for the simultaneous detection of SY and RhB in food samples with recoveries of 93.1-106.0% indicating promising potential in practical application.
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Affiliation(s)
- Mahshid Golestaneh
- Department of Chemistry Education, Farhangian University, P.O. Box 14665-889, Tehran, Iran.
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2
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López-Balladares O, Espinoza-Montero PJ, Fernández L. Electrochemical Evaluation of Cd, Cu, and Fe in Different Brands of Craft Beers from Quito, Ecuador. Foods 2023; 12:foods12112264. [PMID: 37297508 DOI: 10.3390/foods12112264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
The presence of heavy metals in craft beers can endanger human health if the total metal content exceeds the exposure limits recommended by sanitary standards; in addition, they can cause damage to the quality of the beer. In this work, the concentration of Cd(II), Cu(II), and Fe(III) was determined in 13 brands of craft beer with the highest consumption in Quito, Ecuador, by differential pulse anodic stripping voltammetry (DPASV), using as boron-doped diamond (BDD) working electrode. The BDD electrode used has favorable morphological and electrochemical properties for the detection of metals such as Cd(II), Cu(II), and Fe(III). A granular morphology with microcrystals with an average size between 300 and 2000 nm could be verified for the BDD electrode using a scanning electron microscope. Double layer capacitance of the BDD electrode was 0.01412 μF cm-2, a relatively low value; Ipox/Ipred ratios were 0.99 for the potassium ferro-ferricyanide system in BDD, demonstrating that the redox process is quasi-reversible. The figures of merit for Cd(II), Cu(II), and Fe(III) were; DL of 6.31, 1.76, and 1.72 μg L-1; QL of 21.04, 5.87, and 5.72 μg L-1, repeatability of 1.06, 2.43, and 1.34%, reproducibility of 1.61, 2.94, and 1.83% and percentage of recovery of 98.18, 91.68, and 91.68%, respectively. It is concluded that the DPASV method on BDD has acceptable precision and accuracy for the quantification of Cd(II), Cu(II), and Fe(III), and it was verified that some beers did not comply with the permissible limits of food standards.
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Affiliation(s)
- Oscar López-Balladares
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 170525, Ecuador
- Facultad de Ciencias Químicas, Universidad Central del Ecuador, Quito 170521, Ecuador
| | | | - Lenys Fernández
- Escuela de Ciencias Químicas, Pontificia Universidad Católica del Ecuador, Quito 170525, Ecuador
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3
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Cieślik M, Rodak A, Susik A, Wójcik N, Szociński M, Ryl J, Formela K. Multiple Reprocessing of Conductive PLA 3D-Printing Filament: Rheology, Morphology, Thermal and Electrochemical Properties Assessment. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16031307. [PMID: 36770313 PMCID: PMC9920316 DOI: 10.3390/ma16031307] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/07/2023] [Accepted: 01/30/2023] [Indexed: 05/27/2023]
Abstract
Additive manufacturing technologies are gaining more and more attention, resulting in the development or modification of 3D printing techniques and dedicated materials. On the other hand, economic and ecological aspects force the industry to develop material recycling strategies. In this work, the multiple reprocessing of a commercially available PLA conductive composite with carbon black filler, dedicated to 3D printing, was investigated. The effects of extrusion temperature (190 °C and 200 °C) and reprocessing steps (1-5 steps) on the rheology, morphology, thermal and electrochemical properties of the conductive PLA 3D-printing filament were evaluated. The results showed deterioration of the thermal stability and material strength, as well as the influence of reprocessing on the melting point, which increases after initial melting. The electronic conduction mechanism of the composite depends on the percolation paths and it is also affected by the multiple processing. The reversibility of the [Fe(CN)6]3-/4- redox process diminishes with a higher degradation level of the conductive PLA. Importantly, the material fluidity was too high after the multiple reprocessing, which should be considered and suitably corrected during CB-PLA application as a 3D-printed electrode material.
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Affiliation(s)
- Mateusz Cieślik
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Agata Rodak
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Agnieszka Susik
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Natalia Wójcik
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Michał Szociński
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Jacek Ryl
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Institute of Nanotechnology and Materials Engineering, Faculty of Applied Physics and Mathematics, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Krzysztof Formela
- Advanced Materials Center, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
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4
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Brodowski M, Pierpaoli M, Janik M, Kowalski M, Ficek M, Slepski P, Trzaskowski B, Swain G, Ryl J, Bogdanowicz R. Enhanced susceptibility of SARS-CoV-2 spike RBD protein assay targeted by cellular receptors ACE2 and CD147: Multivariate data analysis of multisine impedimetric response. SENSORS AND ACTUATORS. B, CHEMICAL 2022; 370:132427. [PMID: 35911567 PMCID: PMC9327189 DOI: 10.1016/j.snb.2022.132427] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/20/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) enters the cells through the binding of spike protein to the host cell surface-expressing angiotensin-converting enzyme 2 (ACE2) or by endocytosis mediated by extracellular matrix metalloproteinase inducer (CD147). We present extended statistical studies of the multisine dynamic electrochemical impedance spectroscopy (DEIS) revealing interactions between Spike RBD and cellular receptors ACE2 and CD147, and a reference anti-RBD antibody (IgG2B) based on a functionalised boron-doped diamond (BDD) electrode. The DEIS was supported by a multivariate data analysis of a SARS-CoV-2 Spike RBD assay and cross-correlated with the atomic-level information revealed by molecular dynamics simulations. This approach allowed us to study and detect subtle changes in the electrical properties responsible for the susceptibility of cellular receptors to SARS-CoV-2, revealing their interactions. Changes in electrical homogeneity in the function of the RBD concentration led to the conclusion that the ACE2 receptor delivers the most homogeneous surface, delivered by the high electrostatic potential of the relevant docking regions. For higher RBD concentrations, the differences in electrical homogeneity between electrodes with different receptors vanish. Collectively, this study reveals interdependent virus entry pathways involving separately ACE2, CD147, and spike protein, as assessed using a biosensing platform for the rapid screening of cellular interactions (i.e. testing various mutations of SARS-CoV-2 or screening of therapeutic drugs).
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Affiliation(s)
- Mateusz Brodowski
- Division of Electrochemistry and Surface Physical Chemistry, Institute of Nanotechnology and Materials Engineering, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
| | - Mattia Pierpaoli
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
| | - Monika Janik
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
- Faculty of Electronics and Information Technology, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland
| | - Marcin Kowalski
- Institute of Biotechnology and Molecular Medicine, 25 Kampinoska, 80-180 Gdańsk, Poland
| | - Mateusz Ficek
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
| | - Pawel Slepski
- Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
| | - Bartosz Trzaskowski
- Centre of New Technologies, University of Warsaw, 2c Banach St, 02-097 Warsaw, Poland
| | - Greg Swain
- Department of Chemistry, Michigan State University, 578 S. Shaw Lane, East Lansing, MI 48824-1322, United States
| | - Jacek Ryl
- Division of Electrochemistry and Surface Physical Chemistry, Institute of Nanotechnology and Materials Engineering, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
| | - Robert Bogdanowicz
- Department of Metrology and Optoelectronics, Gdańsk University of Technology, 11/12 Narutowicza, 80-233 Gdansk, Poland
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5
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de Freitas Araújo KC, Vieira dos Santos E, Pierpaoli M, Ficek M, Santos JEL, Martínez-Huitle CA, Bogdanowicz R. Diamondized carbon nanoarchitectures as electrocatalytic material for sulfate-based oxidizing species electrogeneration. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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6
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Jakóbczyk P, Skowierzak G, Kaczmarzyk I, Nadolska M, Wcisło A, Lota K, Bogdanowicz R, Ossowski T, Rostkowski P, Lota G, Ryl J. Electrocatalytic performance of oxygen-activated carbon fibre felt anodes mediating degradation mechanism of acetaminophen in aqueous environments. CHEMOSPHERE 2022; 304:135381. [PMID: 35716709 DOI: 10.1016/j.chemosphere.2022.135381] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 06/10/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Carbon felts are flexible and scalable, have high specific areas, and are highly conductive materials that fit the requirements for both anodes and cathodes in advanced electrocatalytic processes. Advanced oxidative modification processes (thermal, chemical, and plasma-chemical) were applied to carbon felt anodes to enhance their efficiency towards electro-oxidation. The modification of the porous anodes results in increased kinetics of acetaminophen degradation in aqueous environments. The utilised oxidation techniques deliver single-step, straightforward, eco-friendly, and stable physiochemical reformation of carbon felt surfaces. The modifications caused minor changes in both the specific surface area and total pore volume corresponding with the surface morphology. A pristine carbon felt electrode was capable of decomposing up to 70% of the acetaminophen in a 240 min electrolysis process, while the oxygen-plasma treated electrode achieved a removal yield of 99.9% estimated utilising HPLC-UV-Vis. Here, the electro-induced incineration kinetics of acetaminophen resulted in a rate constant of 1.54 h-1, with the second-best result of 0.59 h-1 after oxidation in 30% H2O2. The kinetics of acetaminophen removal was synergistically studied by spectroscopic and electrochemical techniques, revealing various reaction pathways attributed to the formation of intermediate compounds such as p-aminophenol and others. The enhancement of the electrochemical oxidation rates towards acetaminophen was attributed to the appearance of surface carbonyl species. Our results indicate that the best-performing plasma-chemical treated CFE follows a heterogeneous mechanism with only approx. 40% removal due to direct electro-oxidation. The degradation mechanism of acetaminophen at the treated carbon felt anodes was proposed based on the detected intermediate products. Estimation of the cost-effectiveness of removal processes, in terms of energy consumption, was also elaborated. Although the study was focussed on acetaminophen, the achieved results could be adapted to also process emerging, hazardous pollutant groups such as anti-inflammatory pharmaceuticals.
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Affiliation(s)
- Paweł Jakóbczyk
- Advanced Materials Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland; Institute of Biotechnology and Molecular Medicine, Kampinoska 25, 80-180, Gdańsk, Poland
| | - Grzegorz Skowierzak
- Institute of Biotechnology and Molecular Medicine, Kampinoska 25, 80-180, Gdańsk, Poland; Department of Analytical Chemistry, University of Gdansk, Bazynskiego 8, 80-309, Gdansk, Poland
| | - Iwona Kaczmarzyk
- Advanced Materials Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Małgorzata Nadolska
- Advanced Materials Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Anna Wcisło
- Department of Analytical Chemistry, University of Gdansk, Bazynskiego 8, 80-309, Gdansk, Poland
| | - Katarzyna Lota
- Łukasiewicz Research Network - Institute of Non-Ferrous Metals Division in Poznan, Central Laboratory of Batteries and Cells, Forteczna 12, 61-362, Poznan, Poland
| | - Robert Bogdanowicz
- Advanced Materials Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland
| | - Tadeusz Ossowski
- Institute of Biotechnology and Molecular Medicine, Kampinoska 25, 80-180, Gdańsk, Poland; Department of Analytical Chemistry, University of Gdansk, Bazynskiego 8, 80-309, Gdansk, Poland
| | - Paweł Rostkowski
- NILU-Norwegian Institute for Air Research, Instituttveien 18, 2007, Kjeller, Norway
| | - Grzegorz Lota
- Łukasiewicz Research Network - Institute of Non-Ferrous Metals Division in Poznan, Central Laboratory of Batteries and Cells, Forteczna 12, 61-362, Poznan, Poland; Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Berdychowo 4, 60-965, Poznan, Poland
| | - Jacek Ryl
- Advanced Materials Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233, Gdańsk, Poland.
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7
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Li H, Liu G, Zhou B, Deng Z, Wang Y, Ma L, Yu Z, Zhou K, Wei Q. Periodic porous 3D boron-doped diamond electrode for enhanced perfluorooctanoic acid degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Niedzialkowski P, Koterwa A, Olejnik A, Zielinski A, Gornicka K, Brodowski M, Bogdanowicz R, Ryl J. Deciphering the Molecular Mechanism of Substrate-Induced Assembly of Gold Nanocube Arrays toward an Accelerated Electrocatalytic Effect Employing Heterogeneous Diffusion Field Confinement. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9597-9610. [PMID: 35894869 PMCID: PMC9367014 DOI: 10.1021/acs.langmuir.2c01001] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 07/20/2022] [Indexed: 06/15/2023]
Abstract
The complex electrocatalytic performance of gold nanocubes (AuNCs) is the focus of this work. The faceted shapes of AuNCs and the individual assembly processes at the electrode surfaces define the heterogeneous conditions for the purpose of electrocatalytic processes. Topographic and electron imaging demonstrated slightly rounded AuNC (average of 38 nm) assemblies with sizes of ≤1 μm, where the dominating patterns are (111) and (200) crystallographic planes. The AuNCs significantly impact the electrochemical performance of the investigated electrode [indium-tin oxide (ITO), glassy carbon (GC), and bulk gold] systems driven by surface electrons promoting the catalytic effect. Cyclic voltammetry in combination with scanning electrochemical microscopy allowed us to decipher the molecular mechanism of substrate-induced electrostatic assembly of gold nanocube arrays, revealing that the accelerated electrocatalytic effect should be attributed to the confinement of the heterogeneous diffusion fields with tremendous electrochemically active surface area variations. AuNC drop-casting at ITO, GC, and Au led to various mechanisms of heterogeneous charge transfer; only in the case of GC did the decoration significantly increase the electrochemically active surface area (EASA) and ferrocyanide redox kinetics. For ITO and Au substrates, AuNC drop-casting decreases system dimensionality rather than increasing the EASA, where Au-Au self-diffusion was also observed. Interactions of the gold, ITO, and GC surfaces with themselves and with surfactant CTAB and ferrocyanide molecules were investigated using density functional theory.
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Affiliation(s)
- Pawel Niedzialkowski
- Department
of Analytic Chemistry, University of Gdańsk, Wita Stwosza 63, 80-952 Gdańsk, Poland
| | - Adrian Koterwa
- Department
of Analytic Chemistry, University of Gdańsk, Wita Stwosza 63, 80-952 Gdańsk, Poland
| | - Adrian Olejnik
- Department
of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications
and Informatics, Gdańsk University
of Technology, Narutowicza
11/12, 80-233 Gdańsk, Poland
- Centre
for Plasma and Laser Engineering, The Szewalski Institute of Fluid-Flow
Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdańsk, Poland
| | - Artur Zielinski
- Department
of Electrochemistry, Corrosion and Materials Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Karolina Gornicka
- Institute
of Nanotechnology and Materials Engineering and Advanced Materials
Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Mateusz Brodowski
- Institute
of Nanotechnology and Materials Engineering and Advanced Materials
Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Robert Bogdanowicz
- Department
of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications
and Informatics, Gdańsk University
of Technology, Narutowicza
11/12, 80-233 Gdańsk, Poland
| | - Jacek Ryl
- Institute
of Nanotechnology and Materials Engineering and Advanced Materials
Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
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9
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Yang W, Deng Z, Wang Y, Ma L, Zhou K, Liu L, Wei Q. Porous boron-doped diamond for efficient electrocatalytic elimination of azo dye Orange G. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Cieslik M, Sawczak M, Jendrzejewski R, Celej J, Nogala W, Ryl J. Locally sculptured modification of the electrochemical response of conductive poly(lactic acid) 3D prints by femtosecond laser processing. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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11
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Kunuku S, Ficek M, Wieloszynska A, Tamulewicz-Szwajkowska M, Gajewski K, Sawczak M, Lewkowicz A, Ryl J, Gotszalk T, Bogdanowicz R. Influence of B/N co-doping on electrical and photoluminescence properties of CVD grown homoepitaxial diamond films. NANOTECHNOLOGY 2021; 33:125603. [PMID: 34879361 DOI: 10.1088/1361-6528/ac4130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 12/08/2021] [Indexed: 06/13/2023]
Abstract
Boron doped diamond (BDD) has great potential in electrical, and electrochemical sensing applications. The growth parameters, substrates, and synthesis method play a vital role in the preparation of semiconducting BDD to metallic BDD. Doping of other elements along with boron (B) into diamond demonstrated improved efficacy of B doping and exceptional properties. In the present study, B and nitrogen (N) co-doped diamond has been synthesized on single crystalline diamond (SCD) IIa and SCD Ib substrates in a microwave plasma-assisted chemical vapor deposition process. The B/N co-doping into CVD diamond has been conducted at constant N flow of N/C ∼ 0.02 with three different B/C doping concentrations of B/C ∼ 2500 ppm, 5000 ppm, 7500 ppm. Atomic force microscopy topography depicted the flat and smooth surface with low surface roughness for low B doping, whereas surface features like hillock structures and un-epitaxial diamond crystals with high surface roughness were observed for high B doping concentrations. KPFM measurements revealed that the work function (4.74-4.94 eV) has not varied significantly for CVD diamond synthesized with different B/C concentrations. Raman spectroscopy measurements described the growth of high-quality diamond and photoluminescence studies revealed the formation of high-density nitrogen-vacancy centers in CVD diamond layers. X-ray photoelectron spectroscopy results confirmed the successful B doping and the increase in N doping with B doping concentration. The room temperature electrical resistance measurements of CVD diamond layers (B/C ∼ 7500 ppm) have shown the low resistance value ∼9.29 Ω for CVD diamond/SCD IIa, and the resistance value ∼16.55 Ω for CVD diamond/SCD Ib samples.
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Affiliation(s)
- Srinivasu Kunuku
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Narutowicza St., 80-233, Gdańsk, Poland
| | - Mateusz Ficek
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Narutowicza St., 80-233, Gdańsk, Poland
| | - Aleksandra Wieloszynska
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Narutowicza St., 80-233, Gdańsk, Poland
| | | | - Krzysztof Gajewski
- Department of Nanometrology, Wrocław University of Science and Technology, Janiszewskiego 11/17 St., 50-372, Wrocław, Poland
| | - Miroslaw Sawczak
- The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, 80-231, Gdansk, Poland
| | - Aneta Lewkowicz
- Institute of Experimental Physics, Faculty of Mathematics, Physics and Informatics, University of Gdansk, Wita Stwosza 57, 80-952 Gdansk, Poland
| | - Jacek Ryl
- Institute of Nanotechnology and Materials Engineering, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Tedor Gotszalk
- Department of Nanometrology, Wrocław University of Science and Technology, Janiszewskiego 11/17 St., 50-372, Wrocław, Poland
| | - Robert Bogdanowicz
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Narutowicza St., 80-233, Gdańsk, Poland
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12
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Pei J, Yu X, Wei S, Boukherroub R, Zhang Y. Double-side effect of B/C ratio on BDD electrode detection for heavy metal ion in water. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 771:145430. [PMID: 33736132 DOI: 10.1016/j.scitotenv.2021.145430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/05/2021] [Accepted: 01/22/2021] [Indexed: 06/12/2023]
Abstract
BDD (Boron-doped Diamond) electrode may hold a promising application to detect heavy metal ions for actual water monitoring and early warning, but a poor understanding of influence mechanism of B/C ratio on detection performance is in the way of its fabrication and application. This work is intended to reveal the double-side effect of B/C ratio on detection performance of BDD electrode so as to facilitate its actual application. SBDD (Self-supported Boron-doped Diamond) electrode is introduced for the first time to get rid of the interference factors such as substrate. A systematic investigation is conducted for the influence of B/C ratio on microstructure and electrochemical behavior of SBDD electrodes. With the increase of B/C ratio, the grain size continuously increases, and the preferred orientation gradually changes from plane (220) to (111). The gradual increasing of impurity phase content indicates a deterioration of diamond phase quality. In addition, the electrode electrochemical behavior initially gets better then worse. SBDD electrode with a B/C ratio of 1/500 has the largest active surface area of 2.1 cm2, the smallest diffusion resistance and the highest signal response. Under optimal parameter set, the SBDD electrode enjoys a sensitivity of 0.42 μA L μg-1 cm-2 and a detection limit of 1.12 μg L-1 in a wide linear range of 5-120 ppb. The phase quality and grain morphology jointly contribute to the double-side effect. A suitable B-sp3-C content, preferred orientation of (111) and small particle size may make the performance improvement of BDD electrode available.
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Affiliation(s)
- Jingxuan Pei
- Beijing Key Laboratory of Materials Utilisation of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian, Beijing 100083, China
| | - Xiang Yu
- Beijing Key Laboratory of Materials Utilisation of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian, Beijing 100083, China.
| | - Songbo Wei
- PetroChina Research Institute of Petroleum Exploration and Development, 20 Xueyuan Road, Haidian, Beijing 100083, China
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Centrale Lille, ISEN, Univ. Valenciennes, UMR 8520, IEMN, F-59000, Lille, France
| | - Yihe Zhang
- Beijing Key Laboratory of Materials Utilisation of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian, Beijing 100083, China.
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Wert S, Iken H, Schöning MJ, Matysik F. Development of a Temperature‐pulse Enhanced Electrochemical Glucose Biosensor and Characterization of its Stability via Scanning Electrochemical Microscopy. ELECTROANAL 2021. [DOI: 10.1002/elan.202100089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Stefan Wert
- Institute of Analytical Chemistry, Chemo- and Biosensors University of Regensburg Universitätsstr. 31 93053 Regensburg Germany
| | - Heiko Iken
- Institute of Nano- and Biotechnologies (INB) FH Aachen, Campus Jülich Heinrich-Mußmann-Str. 1 52428 Jülich Germany
| | - Michael J. Schöning
- Institute of Nano- and Biotechnologies (INB) FH Aachen, Campus Jülich Heinrich-Mußmann-Str. 1 52428 Jülich Germany
| | - Frank‐Michael Matysik
- Institute of Analytical Chemistry, Chemo- and Biosensors University of Regensburg Universitätsstr. 31 93053 Regensburg Germany
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Preparation of boron-doped diamond nanospikes on porous Ti substrate for high-performance supercapacitors. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136649] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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A cost-efficient approach for simultaneous scanning electrochemical microscopy and scanning ion conductance microscopy. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02635-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AbstractA novel and cost-efficient probe fabrication method yielding probes for performing simultaneous scanning electrochemical microscopy (SECM) and scanning ion conductance microscopy (SICM) is presented. Coupling both techniques allows distinguishing topographical and electrochemical activity information obtained by SECM. Probes were prepared by deposition of photoresist onto platinum-coated, pulled fused silica capillaries, which resulted in a pipette probe with an integrated ring ultramicroelectrode. The fabricated probes were characterized by means of cyclic voltammetry and scanning electron microscopy. The applicability of probes was demonstrated by measuring and distinguishing topography and electrochemical activity of a model substrate. In addition, porous boron-doped diamond samples were investigated via simultaneously performed SECM and SICM.
Graphic abstract
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Ryl J, Cieslik M, Zielinski A, Ficek M, Dec B, Darowicki K, Bogdanowicz R. High-Temperature Oxidation of Heavy Boron-Doped Diamond Electrodes: Microstructural and Electrochemical Performance Modification. MATERIALS 2020; 13:ma13040964. [PMID: 32098091 PMCID: PMC7079589 DOI: 10.3390/ma13040964] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 02/18/2020] [Accepted: 02/19/2020] [Indexed: 11/16/2022]
Abstract
In this work, we reveal in detail the effects of high-temperature treatment in air at 600 °C on the microstructure as well as the physico-chemical and electrochemical properties of boron-doped diamond (BDD) electrodes. The thermal treatment of freshly grown BDD electrodes was applied, resulting in permanent structural modifications of surface depending on the exposure time. High temperature affects material corrosion, inducing crystal defects. The oxidized BDD surfaces were studied by means of cyclic voltammetry (CV) and scanning electrochemical microscopy (SECM), revealing a significant decrease in the electrode activity and local heterogeneity of areas owing to various standard rate constants. This effect was correlated with a resultant increase of surface resistance heterogeneity by scanning spreading resistance microscopy (SSRM). The X-ray photoelectron spectroscopy (XPS) confirmed the rate and heterogeneity of the oxidation process, revealing hydroxyl species to be dominant on the electrode surface. Morphological tests using scanning electron microscopy (SEM) and atomic force microscopy (AFM) revealed that prolonged durations of high-temperature treatment lead not only to surface oxidation but also to irreversible structural defects in the form of etch pits. Our results show that even subsequent electrode rehydrogenation in plasma is not sufficient to reverse this surface oxidation in terms of electrochemical and physico-chemical properties, and the nature of high-temperature corrosion of BDD electrodes should be considered irreversible.
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Affiliation(s)
- Jacek Ryl
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.C.); (A.Z.); (K.D.)
- Correspondence: ; Tel.: +48-58-347-1092
| | - Mateusz Cieslik
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.C.); (A.Z.); (K.D.)
| | - Artur Zielinski
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.C.); (A.Z.); (K.D.)
| | - Mateusz Ficek
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunication and Informatics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.F.); (B.D.); (R.B.)
| | - Bartlomiej Dec
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunication and Informatics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.F.); (B.D.); (R.B.)
| | - Kazimierz Darowicki
- Department of Electrochemistry, Corrosion and Materials Engineering, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.C.); (A.Z.); (K.D.)
| | - Robert Bogdanowicz
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunication and Informatics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (M.F.); (B.D.); (R.B.)
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Tuning of the electrochemical properties of transparent fluorine-doped tin oxide electrodes by microwave pulsed-plasma polymerized allylamine. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.05.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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