1
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Abdel-Hady EE, Gamal A, Hamdy H, Shaban M, Abdel-Hamed MO, Mohammed MA, Mohammed WM. Methanol electro oxidation on Ni-Pt-CrO/CNFs composite: morphology, structural, and electrochemical characterization. Sci Rep 2023; 13:4870. [PMID: 36964185 PMCID: PMC10039033 DOI: 10.1038/s41598-023-31940-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/20/2023] [Indexed: 03/26/2023] Open
Abstract
In this work, prepared nanoparticle samples of Ni1-xCrx with a fixed ratio of platinum (3%) were synthesized and loaded onto carbon nanofibers, which were produced by an electrospinning technique and carbonized at 900 °C for 7 h in an argon atmosphere. A variety of analysis techniques were applied to examine the stoichiometry, structure, surface morphology, and electrochemical activity. The carbonization process produces carbon nanofibers decorated with metal nanoparticles. Typical fibre diameters are 250-520 nm. The fibre morphologies of the treated samples don't exhibit any overt alterations. A study of the samples' methanol electrocatalytic capabilities was conducted. Cyclic voltammetry, chronoamperometry, and electrochemical impedance measurements were used to investigate catalytic performance and electrode stability as a function of electrolyte concentration, scan rate, and reaction time. The electrooxidation reaction's activation energy is increased, and the electrode's stability is increased, when Cr is added to Ni. In sample C3, the maximum current density (JPE) was 170.3 mA/cm2 at 0.8 V with an onset potential of 0.352 V. Utilizing our electrocatalysts, the electrooxidation of methanol involves a mix of kinetic and diffusion control limiting reactions. This study has shown how to fabricate a powerful Ni-Pt-Cr-based methanol electrooxidation catalyst using a novel approach.
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Affiliation(s)
- E E Abdel-Hady
- Physics Department, Faculty of Science, Minia University, P.O. Box 61519, Minia, Egypt.
| | - Ahmed Gamal
- Nanophotonics and Applications (NPA) Lab, Department of Physics, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Hany Hamdy
- Nanophotonics and Applications (NPA) Lab, Department of Physics, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Mohamed Shaban
- Nanophotonics and Applications (NPA) Lab, Department of Physics, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt
- Physics Department, Faculty of Science, Islamic University of Madinah, P.O. Box 170, Madinah, 42351, Saudi Arabia
| | - M O Abdel-Hamed
- Physics Department, Faculty of Science, Minia University, P.O. Box 61519, Minia, Egypt
| | - Mahmoud A Mohammed
- Physics Department, Faculty of Science, Minia University, P.O. Box 61519, Minia, Egypt
| | - Wael M Mohammed
- Physics Department, Faculty of Science, Minia University, P.O. Box 61519, Minia, Egypt
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2
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Awad S, Kaouach H, Mohammed MA, Abdel‐Hady EE, Mohammed WM. Fabrication of bimetallic
Ni‐Ag
/
CNFs
nanoparticles as a catalyst in direct alcohol fuel cells (
DAFCs
). POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.6006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Somia Awad
- Physics Department Alqunfudah University College Umm Alqura University Makkah Saudi Arabia
- Physics Department, Faculty of Science Minia University Minia Egypt
| | - Houda Kaouach
- Physics Department Alqunfudah University College Umm Alqura University Makkah Saudi Arabia
| | | | | | - Wael M. Mohammed
- Physics Department, Faculty of Science Minia University Minia Egypt
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3
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Nejadsalim A, Bashiri N, Godini HR, Oliveira RL, Tufail Shah A, Bekheet MF, Thomas A, Schomäcker R, Gurlo A, Görke O. Core-Sheath Pt-CeO 2/Mesoporous SiO 2 Electrospun Nanofibers as Catalysts for the Reverse Water Gas Shift Reaction. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:485. [PMID: 36770446 PMCID: PMC9921642 DOI: 10.3390/nano13030485] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/13/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
One-dimensional (1D) core-sheath nanofibers, platinum (Pt)-loaded ceria (CeO2) sheath on mesoporous silica (SiO2) core were fabricated, characterized, and used as catalysts for the reverse water gas shift reaction (RWGS). CeO2 nanofibers (NFs) were first prepared by electrospinning (ES), and then Pt nanoparticles were loaded on the CeO2 NFs using two different deposition methods: wet impregnation and solvothermal. A mesoporous SiO2 sheath layer was then deposited by sol-gel process. The phase composition, structural, and morphological properties of synthesized materials were investigated by scanning electron microscope (SEM), scanning transmission electron microscopy (STEM), X-ray diffraction (XRD), nitrogen adsorption/desorption method, X-ray photoelectron spectroscopy (XPS), inductively coupled plasma-optical emission spectrometry (ICP-OES) analysis, and CO2 temperature programmed desorption (CO2-TPD). The results of these characterization techniques revealed that the core-sheath NFs with a core diameter between 100 and 300 nm and a sheath thickness of about 40-100 nm with a Pt loading of around 0.5 wt.% were successfully obtained. The impregnated catalyst, Pt-CeO2 NF@mesoporous SiO2, showed the best catalytic performance with a CO2 conversion of 8.9% at 350 °C, as compared to the sample prepared by the Solvothermal method. More than 99% selectivity of CO was achieved for all core-sheath NF-catalysts.
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Affiliation(s)
- Aidin Nejadsalim
- Chair of Advanced Ceramic Materials, Institute of Material Science and Technology, Faculty III Process Sciences, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Najmeh Bashiri
- Functional Materials, Institute of Chemistry, Faculty II Mathematics and Natural Sciences, Technische Universität Berlin, Hardenbergstr. 40, 10623 Berlin, Germany
- Chemical Engineering/Multiphase Reaction Technology, Institute of Chemistry, Faculty II Mathematics and Natural Sciences, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Hamid Reza Godini
- Inorganic Membranes and Membrane Reactors, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Rafael L. Oliveira
- Low Temperature and Structure Research Institute of the Polish Academy of Science, Okólna 2, 50-422 Wroclaw, Poland
| | - Asma Tufail Shah
- Chair of Advanced Ceramic Materials, Institute of Material Science and Technology, Faculty III Process Sciences, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS University Islamabad Lahore Campus, Defence Road, Off-Raiwand Road, Lahore 54000, Pakistan
| | - Maged F. Bekheet
- Chair of Advanced Ceramic Materials, Institute of Material Science and Technology, Faculty III Process Sciences, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Arne Thomas
- Functional Materials, Institute of Chemistry, Faculty II Mathematics and Natural Sciences, Technische Universität Berlin, Hardenbergstr. 40, 10623 Berlin, Germany
| | - Reinhard Schomäcker
- Chemical Engineering/Multiphase Reaction Technology, Institute of Chemistry, Faculty II Mathematics and Natural Sciences, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Aleksander Gurlo
- Chair of Advanced Ceramic Materials, Institute of Material Science and Technology, Faculty III Process Sciences, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
| | - Oliver Görke
- Chair of Advanced Ceramic Materials, Institute of Material Science and Technology, Faculty III Process Sciences, Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany
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4
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Synthesis of rGO–Nps hybrids with electrocatalytic activity for hydrogen evolution reaction. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05304-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2022]
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5
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A novel hierarchically-porous diamondized polyacrylonitrile sponge-like electrodes for acetaminophen electrochemical detection. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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6
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Malali P, Muchharla B, Sadasivuni KK, Cao W, Elsayed-Ali HE, Adedeji A, Karoui A, Abdullah AM, Spurgeon JM, Kumar B. Low Platinum-Loaded Molybdenum Co-catalyst for the Hydrogen Evolution Reaction in Alkaline and Acidic Media. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:9526-9531. [PMID: 35900104 DOI: 10.1021/acs.langmuir.2c00902] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Developing an efficient catalytic system for electrolysis with reduced platinum (Pt) loading while maintaining performance comparable to bulk platinum metal is important to decrease costs and improve scalability of the hydrogen fuel economy. Here we report the performance of a novel sputter-deposited molybdenum (Mo) thin film with an extremely low co-loading of Pt, where Pt atoms were dispersed on Mo (Ptd-Mo) as an electrocatalyst for the hydrogen evolution reaction (HER) in either alkaline or acidic media. The Ptd-Mo electrocatalyst presents similar catalytic activity to bulk Pt in alkaline media, while the performance is only slightly decreased in acidic media. Differential electrochemical mass spectrometry (DEMS) results confirm that the Ptd-Mo electrocatalyst produced hydrogen at a rate comparable with that of a pristine Pt sample at the same potential. A comparison with Pt-loaded degenerately doped p-type doped silicon (Ptd-Si) suggests that Mo and Pt work synergistically to boost the performance of Ptd-Mo catalysts. Cyclic voltammetry (CV) and X-ray photoelectron spectroscopy (XPS) before and after 1000 cycles of continuous operation confirm the significant durability of the Ptd-Mo performance. Overall, the Ptd-Mo electrocatalyst, with comparable HER activity to bulk Pt despite an ultra-low Pt loading, could be a strong candidate for hydrogen production in either acidic or basic conditions.
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Affiliation(s)
- Praveen Malali
- Department of Mathematics, Computer Science and Engineering Technology, Elizabeth City State University, Elizabeth City, North Carolina 27909, United States
| | - Baleeswaraiah Muchharla
- Department of Mathematics, Computer Science and Engineering Technology, Elizabeth City State University, Elizabeth City, North Carolina 27909, United States
| | | | - Wei Cao
- Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Hani E Elsayed-Ali
- Department of Electrical and Computer Engineering, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Adetayo Adedeji
- Department of Natural Sciences, Elizabeth City State University, Elizabeth City, North Carolina 27909, United States
| | - Abdennaceur Karoui
- Center for Research Excellence in Science and Technology (CREST), Department of Mathematics and Physics, North Carolina Central University, Durham, North Carolina 27707, United States
| | | | - Joshua M Spurgeon
- Conn Center for Renewable Energy Research, University of Louisville, Louisville, Kentucky 40292, United States
| | - Bijandra Kumar
- Department of Mathematics, Computer Science and Engineering Technology, Elizabeth City State University, Elizabeth City, North Carolina 27909, United States
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7
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A High Flux Electrochemical Filtration System Based on Electrospun Carbon Nanofiber Membrane for Efficient Tetracycline Degradation. WATER 2022. [DOI: 10.3390/w14060910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
In this work, an electrochemical filter using an electrospun carbon nanofiber membrane (ECNFM) anode fabricated by electrospinning, stabilization and carbonization was developed for the removal of antibiotic tetracycline (TC). ECNFM with 2.5 wt% terephthalic acid (PTA) carbonized at 1000 °C (ECNFM-2.5%-1000) exhibited higher tensile stress (0.75 MPa) and porosity (92.8%), more graphitic structures and lower electron transfer resistance (23.52 Ω). Under the optimal condition of applied voltage 2.0 V, pH 6.1, 0.1 mol L−1 Na2SO4, initial TC concentration 10 ppm and membrane flux 425 LMH, the TC removal efficiency of the electrochemical filter of ECNFM-2.5%-1000 reached 99.8%, and no obvious performance loss was observed after 8 h of continuous operation. The pseudo-first-order reaction rate constant in flow-through mode was 2.28 min−1, which was 10.53 times higher than that in batch mode. Meanwhile, the energy demand for 90% TC removal was only 0.017 kWh m−3. TC could be converted to intermediates with lower developmental toxicity and mutagenicity via the loss of functional groups (-CONH2, -CH3, -OH, -N(CH3)2) and ring opening reaction, which was mainly achieved by direct anodic oxidation. This study highlights the potential of ECNFM-based electrochemical filtration for efficient and economical drinking water purification.
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8
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Pencil Graphite Electrodes Decorated with Platinum Nanoparticles as Efficient Electrocatalysts for Hydrogen Evolution Reaction. MATERIALS 2021; 15:ma15010073. [PMID: 35009219 PMCID: PMC8745806 DOI: 10.3390/ma15010073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022]
Abstract
Platinum-based materials are widely known as the most utilized and advanced catalysts for hydrogen evolution reaction. For this reason, several studies have reported alternative methods of incorporating this metal into more economical electrodes with a carbon-based support material. Herein, we report on the performance of pencil graphite electrodes decorated with electrochemically deposited platinum nanoparticles as efficient electrocatalysts for hydrogen evolution reaction. The electrodeposition of platinum was performed via pulsed current electrodeposition and the effect of current density on the electrocatalytic activity was investigated. The obtained electrodes were characterized using cyclic voltammetry, while the electrocatalytic activity was assessed through linear sweep voltammetry. Field emission scanning electron microscopy and energy-dispersive X-ray spectroscopy were utilised to gain an insight into surface morphology and chemical analysis of platinum nanoparticles. The best performing electrocatalyst, at both low and high current densities, was characterized by the highest exchange current density of 1.98 mA cm-2 and an ultralow overpotential of 43 mV at a current density of 10 mA cm-2. The results show that, at low current densities, performances closest to that of platinum can be achieved even with an ultralow loading of 50 µg cm-2 Pt.
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9
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Nabiyan A, Max JB, Neumann C, Heiland M, Turchanin A, Streb C, Schacher FH. Polyampholytic Graft Copolymers as Matrix for TiO 2 /Eosin Y/[Mo 3 S 13 ] 2- Hybrid Materials and Light-Driven Catalysis. Chemistry 2021; 27:16924-16929. [PMID: 33547705 PMCID: PMC9290844 DOI: 10.1002/chem.202100091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Indexed: 12/12/2022]
Abstract
An effective strategy to enhance the performance of inorganic semiconductors is moving towards organic-inorganic hybrid materials. Here, we report the design of core-shell hybrid materials based on a TiO2 core functionalized with a polyampholytic (poly(dehydroalanine)-graft-(n-propyl phosphonic acid acrylamide) shell (PDha-g-PAA@TiO2 ). The PDha-g-PAA shell facilitates the efficient immobilization of the photosensitizer Eosin Y (EY) and enables electronic interactions between EY and the TiO2 core. This resulted in high visible-light-driven H2 generation. The enhanced light-driven catalytic activity is attributed to the unique core-shell design with the graft copolymer acting as bridge and facilitating electron and proton transfer, thereby also preventing the degradation of EY. Further catalytic enhancement of PDha-g-PAA@TiO2 was possible by introducing [Mo3 S13 ]2- cluster anions as hydrogen-evolution cocatalyst. This novel design approach is an example for a multi-component system in which reactivity can in future be independently tuned by selection of the desired molecular or polymeric species.
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Affiliation(s)
- Afshin Nabiyan
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC)Friedrich Schiller University JenaLessingstraße 807743JenaGermany
- Jena Center for Soft Matter (JCSM)Friedrich Schiller University JenaPhilosophenweg 707743JenaGermany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)Friedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
| | - Johannes Bernhard Max
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC)Friedrich Schiller University JenaLessingstraße 807743JenaGermany
- Jena Center for Soft Matter (JCSM)Friedrich Schiller University JenaPhilosophenweg 707743JenaGermany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)Friedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
| | - Christof Neumann
- Jena Center for Soft Matter (JCSM)Friedrich Schiller University JenaPhilosophenweg 707743JenaGermany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)Friedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
- Institute of Physical Chemistry and Abbe Center of PhotonicsFriedrich Schiller University JenaLessingstr. 1007743JenaGermany
| | - Magdalena Heiland
- Institute of Inorganic Chemistry IUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Andrey Turchanin
- Jena Center for Soft Matter (JCSM)Friedrich Schiller University JenaPhilosophenweg 707743JenaGermany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)Friedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
- Institute of Physical Chemistry and Abbe Center of PhotonicsFriedrich Schiller University JenaLessingstr. 1007743JenaGermany
| | - Carsten Streb
- Institute of Inorganic Chemistry IUlm UniversityAlbert-Einstein-Allee 1189081UlmGermany
| | - Felix Helmut Schacher
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC)Friedrich Schiller University JenaLessingstraße 807743JenaGermany
- Jena Center for Soft Matter (JCSM)Friedrich Schiller University JenaPhilosophenweg 707743JenaGermany
- Center for Energy and Environmental Chemistry Jena (CEEC Jena)Friedrich Schiller University JenaPhilosophenweg 7a07743JenaGermany
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10
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Kori DKK, Jadhav RG, Dhruv L, Das AK. A platinum nanoparticle doped self-assembled peptide bolaamphiphile hydrogel as an efficient electrocatalyst for the hydrogen evolution reaction. NANOSCALE ADVANCES 2021; 3:6678-6688. [PMID: 36132646 PMCID: PMC9419667 DOI: 10.1039/d1na00439e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/11/2021] [Indexed: 06/16/2023]
Abstract
Noble metal-based nanomaterials have shown great potential for catalytic application with higher selectivity and activity. Owing to their self-assembly properties with various molecular interactions, peptides play an essential role in the controlled synthesis of noble metal-based catalysts with high surface area. In this work, a phenylalanine (F) and tyrosine (Y) based peptide bolaamphiphile is prepared by solution-phase peptide synthesis. The peptide bolaamphiphile readily self-assembles into a hydrogel with a cross-linked nanofibrillar network. The platinum nanoparticles (Pt NPs) are in situ generated within the cross-linked nanofibrillar network of the hydrogel matrix of the peptide bolaamphiphile. Benefiting from the synergistic properties of the Pt nanoparticles doped on three-dimensional fibrous networks, Pt6@hydrogel shows efficient catalytic activity for the electrochemical hydrogen evolution reaction (HER) in 0.5 M H2SO4 solution. The Pt6@hydrogel requires an overpotential of 45 mV at -10 mA cm-2 with a Tafel slope of 52 mV dec-1. The Pt6@hydrogel also shows electrocatalytic activity in basic and neutral pH solutions. The excellent activity and stability of Pt6@hydrogel for the HER shows great potential for energy conversion applications.
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Affiliation(s)
- Deepak K K Kori
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Rohit G Jadhav
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Likhi Dhruv
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
| | - Apurba K Das
- Department of Chemistry and Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore Indore 453552 India
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11
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Feeney SG, LaFreniere JMJ, Halpern JM. Perspective on Nanofiber Electrochemical Sensors: Design of Relative Selectivity Experiments. Polymers (Basel) 2021; 13:3706. [PMID: 34771266 PMCID: PMC8588248 DOI: 10.3390/polym13213706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/21/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
The use of nanofibers creates the ability for non-enzymatic sensing in various applications and greatly improves the sensitivity, speed, and accuracy of electrochemical sensors for a wide variety of analytes. The high surface area to volume ratio of the fibers as well as their high porosity, even when compared to other common nanostructures, allows for enhanced electrocatalytic, adsorptive, and analyte-specific recognition mechanisms. Nanofibers have the potential to rival and replace materials used in electrochemical sensing. As more types of nanofibers are developed and tested for new applications, more consistent and refined selectivity experiments are needed. We applied this idea in a review of interferant control experiments and real sample analyses. The goal of this review is to provide guidelines for acceptable nanofiber sensor selectivity experiments with considerations for electrocatalytic, adsorptive, and analyte-specific recognition mechanisms. The intended presented review and guidelines will be of particular use to junior researchers designing their first control experiments, but could be used as a reference for anyone designing selectivity experiments for non-enzymatic sensors including nanofibers. We indicate the importance of testing both interferants in complex media and mechanistic interferants in the selectivity analysis of newly developed nanofiber sensor surfaces.
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Affiliation(s)
- Stanley G. Feeney
- Department of Chemical Engineering, University of New Hampshire, Durham, 03824 NH, USA;
| | | | - Jeffrey Mark Halpern
- Department of Chemical Engineering, University of New Hampshire, Durham, 03824 NH, USA;
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12
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Highly Active TiO2 Photocatalysts for Hydrogen Production through a Combination of Commercial TiO2 Material Selection and Platinum Co-Catalyst Deposition Using a Colloidal Approach with Green Reductants. Catalysts 2021. [DOI: 10.3390/catal11091027] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
In this contribution, four different commercial TiO2 catalysts (P25, P90, PC105, and PC500) were screened for the photocatalytic production of hydrogen using ethanol as the sacrificial agent. The physico-chemical properties of the TiO2 powders were characterized by using different methods. The photocatalysts mainly vary in the ratio of anatase and rutile phases, and in the surface area. It was found that the photocatalytic activity is governed by the surface area of the photocatalyst. Pure TiO2,PC500 showed the best performance, and in comparison to P25, the activity was more than twenty times higher due to its high surface area of about 270 m2 g−1. For further improvement of the photocatalytic activity, platinum nanoparticles (PtNPs) were immobilized onto TiO2,PC500 using two methods: a colloidal approach and a photodeposition method. For the reduction of the platinum salt precursor in the colloidal approach, different green reducing agents were used in comparison to ascorbic acid. The obtained platinum nanoparticles using natural reductants showed a higher photocatalytic activity due to the formation of smaller nanoparticles, as proven by transmission electron microscopy (TEM). The highest activity was obtained when mangosteen was used as the green reducing agent. Compared to ascorbic acid as a classical reducing agent, the photocatalytic activity of the Pt@TiO2,PC500 prepared with mangosteen was about 2–3 times higher in comparison to other as-prepared photocatalysts. The Pt@TiO2,PC500 catalyst was further studied under different operating conditions, such as catalyst and sacrificial agent concentration.
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13
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Hodnik N, Romano L, Jovanovič P, Ruiz-Zepeda F, Bele M, Fabbri F, Persano L, Camposeo A, Pisignano D. Assembly of Pt Nanoparticles on Graphitized Carbon Nanofibers as Hierarchically Structured Electrodes. ACS APPLIED NANO MATERIALS 2020; 3:9880-9888. [PMID: 33134881 PMCID: PMC7590506 DOI: 10.1021/acsanm.0c01945] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 09/01/2020] [Indexed: 05/15/2023]
Abstract
Carbon-based nanofibers decorated with metallic nanoparticles (NPs) as hierarchically structured electrodes offer significant opportunities for use in low-temperature fuel cells, electrolyzers, flow and air batteries, and electrochemical sensors. We present a facile and scalable method for preparing nanostructured electrodes composed of Pt NPs on graphitized carbon nanofibers. Electrospinning directly addresses the issues related to large-scale production of Pt-based fuel cell electrocatalysts. Through precursors containing polyacrylonitrile and Pt salt electrospinning along with an annealing protocol, we obtain approximately 180 nm thick graphitized nanofibers decorated with approximately 5 nm Pt NPs. By in situ annealing scanning transmission electron microscopy, we qualitatively resolve and quantitatively analyze the unique dynamics of Pt NP formation and movement. Interestingly, by very efficient thermal-induced segregation of all Pt from the inside to the surface of the nanofibers, we increase overall Pt utilization as electrocatalysis is a surface phenomenon. The obtained nanomaterials are also investigated by spatially resolved Raman spectroscopy, highlighting the higher structural order in nanofibers upon doping with Pt precursors. The rationalization of the observed phenomena of segregation and ordering mechanisms in complex carbon-based nanostructured systems is critically important for the effective utilization of all metal-containing catalysts, such as electrochemical oxygen reduction reactions, among many other applications.
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Affiliation(s)
- Nejc Hodnik
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Dipartimento
di Matematica e Fisica “Ennio De Giorgi”, Università del Salento, via Arnesano, I-73100 Lecce, Italy
- Department
of Materials Chemistry, National Institute
of Chemistry, Hajdrihova
19, 1000 Ljubljana, Slovenia
| | - Luigi Romano
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Dipartimento
di Matematica e Fisica “Ennio De Giorgi”, Università del Salento, via Arnesano, I-73100 Lecce, Italy
- NEST, Scuola
Normale Superiore, Piazza
San Silvestro 12, I-56127 Pisa, Italy
| | - Primož Jovanovič
- Department
of Materials Chemistry, National Institute
of Chemistry, Hajdrihova
19, 1000 Ljubljana, Slovenia
| | - Francisco Ruiz-Zepeda
- Department
of Materials Chemistry, National Institute
of Chemistry, Hajdrihova
19, 1000 Ljubljana, Slovenia
| | - Marjan Bele
- Department
of Materials Chemistry, National Institute
of Chemistry, Hajdrihova
19, 1000 Ljubljana, Slovenia
| | - Filippo Fabbri
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Center
for Nanotechnology Innovation@NEST, Istituto
Italiano di Tecnologia, Piazza San Silvestro 12, I-56127 Pisa, Italy
| | - Luana Persano
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
| | - Andrea Camposeo
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
| | - Dario Pisignano
- NEST, Istituto Nanoscienze-CNR, Piazza S. Silvestro 12, I-56127 Pisa, Italy
- Dipartimento
di Fisica, Università di Pisa, Largo B. Pontecorvo 3, I-56127 Pisa, Italy
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14
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Xie H, Niu Y, Deng Y, Cheng H, Ruan C, Li G, Sun W. Electrochemical aptamer sensor for highly sensitive detection of mercury ion with Au/Pt@carbon nanofiber‐modified electrode. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.202000003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Hui Xie
- Key Laboratory of Water Pollution Treatment and Resource Reuse of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering Hainan Normal University Haikou China
| | - Yanyan Niu
- Key Laboratory of Water Pollution Treatment and Resource Reuse of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering Hainan Normal University Haikou China
| | - Ying Deng
- Key Laboratory of Water Pollution Treatment and Resource Reuse of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering Hainan Normal University Haikou China
| | - Hui Cheng
- Key Laboratory of Optic‐electric Sensing and Analytical Chemistry for Life Science of Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao China
| | - Chengxiang Ruan
- Jiangxi Key Laboratory of Surface Engineering Jiangxi Science and Technology Normal University Nanchang China
| | - Guangjiu Li
- Key Laboratory of Optic‐electric Sensing and Analytical Chemistry for Life Science of Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao China
| | - Wei Sun
- Key Laboratory of Water Pollution Treatment and Resource Reuse of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, College of Chemistry and Chemical Engineering Hainan Normal University Haikou China
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15
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From nano to macro: Hierarchical platinum superstructures synthesized using bicontinuous microemulsion for hydrogen evolution reaction. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.136608] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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16
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Xie H, Luo G, Niu Y, Weng W, Zhao Y, Ling Z, Ruan C, Li G, Sun W. Synthesis and utilization of Co 3O 4 doped carbon nanofiber for fabrication of hemoglobin-based electrochemical sensor. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 107:110209. [PMID: 31761232 DOI: 10.1016/j.msec.2019.110209] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 09/02/2019] [Accepted: 09/15/2019] [Indexed: 12/25/2022]
Abstract
In this paper cobalt oxide (Co3O4) nanoparticles were mixed with polyacrylonitrile to prepare Co3O4 doped carbon nanofiber (CNF) composite by electrospinning and carbonization, which was further used to modify on carbon ionic liquid electrode (CILE). Hemoglobin (Hb) was immobilized on Co3O4-CNF/CILE surface with Nafion acted as the protective film to fabricate an electrochemical biosensor (Nafion/Hb/Co3O4-CNF/CILE). Electrochemical behavior of Hb on the electrode was investigated with a pair of quasi-reversible redox peak appeared on cyclic voltammogram and electrochemical parameters were calculated. Moreover, this biosensor had good analytical capabilities for electrocatalytic reduction of different substrates including trichloroacetic acid, potassium bromate and sodium nitrite with wider detection range from 40.0 to 260.0 mmol L-1, 0.1 to 48.0 mmol L-1 and 1.0 to 12.0 mmol L-1 by cyclic voltammetry, respectively. The proposed method showed excellent anti-interferences ability with good selectivity and was successful used for quantitative detection of real samples, which displayed the potential applications to develop into a new analytical device.
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Affiliation(s)
- Hui Xie
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China
| | - Guiling Luo
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China
| | - Yanyan Niu
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China
| | - Wenju Weng
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science of Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yixing Zhao
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China
| | - Zhiqiang Ling
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China
| | - Chengxiang Ruan
- Jiangxi Key Laboratory of Surface Engineering, Jiangxi Science and Technology Normal University, Nanchang, 330013, PR China
| | - Guangjiu Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science of Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Wei Sun
- Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou, 571158, PR China.
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17
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Song M, Song Y, Li H, Liu P, Xu B, Wei H, Guo J, Wu Y. Sucrose leavening-induced hierarchically porous carbon enhanced the hydrogen evolution reaction performance of Pt nanoparticles. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134603] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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18
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Wang C, Lan F, He Z, Xie X, Zhao Y, Hou H, Guo L, Murugadoss V, Liu H, Shao Q, Gao Q, Ding T, Wei R, Guo Z. Iridium-Based Catalysts for Solid Polymer Electrolyte Electrocatalytic Water Splitting. CHEMSUSCHEM 2019; 12:1576-1590. [PMID: 30656828 DOI: 10.1002/cssc.201802873] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 01/15/2019] [Indexed: 05/16/2023]
Abstract
Chemical energy conversion/storage through water splitting for hydrogen production has been recognized as the ideal solution to the transient nature of renewable energy sources. Solid polymer electrolyte (SPE) water electrolysis is one of the most practical ways to produce pure H2 . Electrocatalysts are key materials in the SPE water electrolysis. At the anode side, electrode materials catalyzing the oxygen evolution reaction (OER) require specific properties. Among the reported materials, only iridium presents high activity and is more stable. In this Minireview, an application overview of single iridium metal and its oxide catalysts-binary, ternary, and multicomponent catalysts of iridium oxides and supported composite catalysts-for the OER in SPE water electrolysis is presented. Two main strategies to improve the activity of an electrocatalyst system, namely, increasing the number of active sites and the intrinsic activity of each active site, are reviewed with detailed examples. The challenges and perspectives in this field are also discussed.
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Affiliation(s)
- Chao Wang
- Advanced Energy Materials and Systems Institute, College of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China
| | - Feifei Lan
- Advanced Energy Materials and Systems Institute, College of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China
| | - Zhenfeng He
- National Demonstration Center for Experimental Chemical Engineering Comprehensive Education, School of Chemical Engineering and Technology, North University of China, Taiyuan, 030051, PR China
| | - Xiaofeng Xie
- INET, Tsinghua University, Beijing, 100084, PR China
| | - Yuhong Zhao
- Advanced Energy Materials and Systems Institute, College of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China
| | - Hua Hou
- Advanced Energy Materials and Systems Institute, College of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China
| | - Li Guo
- Advanced Energy Materials and Systems Institute, College of Materials Science and Engineering, North University of China, Taiyuan, 030051, PR China
| | - Vignesh Murugadoss
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Hu Liu
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center, for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, PR China
| | - Qian Shao
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, Shandong, 266590, PR China
| | - Qiang Gao
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA
| | - Tao Ding
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, PR China
| | - Renbo Wei
- Research Branch of Advanced Functional Materials, School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, PR China
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
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19
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Sakthivel R, Kubendhiran S, Chen SM. Functionalization of a carbon nanofiber with a tetrasulfonatophenyl ruthenium(II)porphine complex for real-time amperometric sensing of chlorpromazine. Mikrochim Acta 2019; 186:285. [PMID: 30989391 DOI: 10.1007/s00604-019-3384-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 03/29/2019] [Indexed: 02/04/2023]
Abstract
A carbon nanofiber functionalized with ruthenium(II)-tetrasulfonato phenyl porphine (CNF/Ru-TSPP) is shown to be viable sensor for amperometric determination of the antipsychotic drug chlorpromazine (CPZ). The hollow platelet structured Ru-TSPP combines with the hollow cylindrical tube-like structure of the CNF via π stacking interaction. The morphological and electro conductive properties of the electrode were characterized by spectrophotometric techniques. The CNF/Ru-TSPP modified electrode displays a large surface-to-volume ratio, good electron transport and good electrocatalytic activity. The amperometric sensor, typically operated at a potential 0.63 V (vs. Ag/AgCl) exhibits a linear response in the 0.6 nM to 1.1 mM CPZ concentration range, has a 0.2 nM detection limit, and a remarkably good electrochemical sensitivity (2.405 μA μM-1 cm-2). The sensor is selective, repeatable and reproducible. It was successfully applied to the determination of CPZ in spiked serum samples. Graphical abstract Schematic presentation of carbon nanofiber/ tetrasulfonatophenyl Ruthenium(II)porphine (CNF/Ru-TSPP) nanocomposite synthesis and application for the electrochemical determination of chlorpromazine (CPZ).
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Affiliation(s)
- Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan, Republic of China
| | - Subbiramaniyan Kubendhiran
- Genomics Research Center, Academia Sinica, Taipei, Taiwan
- Department of Chemistry, National Taiwan University, Taipei, 106, Taiwan
| | - Shen-Ming Chen
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei, 106, Taiwan, Republic of China.
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20
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Niu HJ, Chen HY, Wen GL, Feng JJ, Zhang QL, Wang AJ. One-pot solvothermal synthesis of three-dimensional hollow PtCu alloyed dodecahedron nanoframes with excellent electrocatalytic performances for hydrogen evolution and oxygen reduction. J Colloid Interface Sci 2019; 539:525-532. [DOI: 10.1016/j.jcis.2018.12.066] [Citation(s) in RCA: 112] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 12/13/2018] [Accepted: 12/17/2018] [Indexed: 11/24/2022]
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21
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Lu X, Li M, Wang H, Wang C. Advanced electrospun nanomaterials for highly efficient electrocatalysis. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00799g] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We highlight the recent developments of electrospun nanomaterials with controlled morphology, composition and architecture for highly efficient electrocatalysis.
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Affiliation(s)
- Xiaofeng Lu
- Alan G. MacDiarmid Institute
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
| | - Meixuan Li
- Alan G. MacDiarmid Institute
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
| | - Huiyuan Wang
- Key Laboratory of Automobile Materials of Ministry of Education & School of Materials Science and Engineering
- Nanling Campus
- Jilin University
- Changchun 130025
- P. R. China
| | - Ce Wang
- Alan G. MacDiarmid Institute
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
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22
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Ghasemi S, Hosseini SR, Nabipour S. Preparation of nanohybrid electrocatalyst based on reduced graphene oxide sheets decorated with Pt nanoparticles for hydrogen evolution reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1485-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Topçu E, Kıranşan KD. Flexible and Free‐standing PtNLs‐MoS2/Reduced Graphene Oxide Composite Paper: A High‐Performance Rolled Paper Catalyst for Hydrogen Evolution Reaction. ChemistrySelect 2018. [DOI: 10.1002/slct.201800500] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ezgi Topçu
- Department of ChemistryFaculty of ScienceAtatürk University Erzurum 25240 Turkey
| | - Kader Dağcı Kıranşan
- Department of ChemistryFaculty of ScienceAtatürk University Erzurum 25240 Turkey
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24
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Liu C, Qiu Y, Xia Y, Wang F, Liu X, Sun X, Liang Q, Chen Z. Noble-metal-free tungsten oxide/carbon (WO x/C) hybrid manowires for highly efficient hydrogen evolution. NANOTECHNOLOGY 2017; 28:445403. [PMID: 28805657 DOI: 10.1088/1361-6528/aa8613] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Developing active, stable, and low-cost electrocatalysts to generate hydrogen is a great challenge in the fields of chemistry and energy. Nonprecious metal catalysts comprised of inexpensive and earth-abundant transition metals are regarded as a promising substitute for noble metal catalysts used in hydrogen evolution reaction (HER), but are still practically unfeasible mainly due to unsatisfactory activity and durability. Here we report a facile two-step preparation method for WOx nanowires with high concentration of oxygen vacancies (OVs) via calcination of W-polydopamine compound precursors. The resulting hybrid material possesses a uniform and ultralong 1D nanowires structure and a rough and raised surface, which can effectively improve the specific surface area. The products exhibit excellent performance for H2 generation: the required overpotentials for 1 and 10 mA cm-2 are 18 and 108 mV, the Tafel slope is 46 mV/decade, and the electrochemically active surface area is estimated to be ∼77.0 m2 g-1. After 1000 cycles, the catalyst works well without significant current density drop. Our experimental results verified metallic transition metal oxides as superior non-Pt electrocatalysts for practical hydrogen evolution reactions.
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Affiliation(s)
- Changhai Liu
- School of Materials Science & Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
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25
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Ultrafine Pt nanoparticles decorated MoS 2 nanosheets with significantly improved hydrogen evolution activity. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.04.145] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Zhao F, Chen S, Hu Q, Xue G, Ni Q, Jiang Q, Qiu Y. Antimicrobial three dimensional woven filters containing silver nanoparticle doped nanofibers in a membrane bioreactor for wastewater treatment. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2016.11.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Laurila T, Sainio S, Jiang H, Isoaho N, Koehne JE, Etula J, Koskinen J, Meyyappan M. Application-Specific Catalyst Layers: Pt-Containing Carbon Nanofibers for Hydrogen Peroxide Detection. ACS OMEGA 2017; 2:496-507. [PMID: 30023609 PMCID: PMC6044567 DOI: 10.1021/acsomega.6b00441] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 01/25/2017] [Indexed: 06/08/2023]
Abstract
Complete removal of metal catalyst particles from carbon nanofibers (CNFs) and other carbon nanostructures is extremely difficult, and the envisioned applications may be compromised by the left-over impurities. To circumvent these problems, one should use, wherever possible, such catalyst materials that are meant to remain in the structure and have some application-specific role, making any removal steps unnecessary. Thus, as a proof-of-concept, we present here a nanocarbon-based material platform for electrochemical hydrogen peroxide measurement utilizing a Pt catalyst layer to grow CNFs with intact Pt particles at the tips of the CNFs. Backed by careful scanning transmission electron microscopy analysis, we show that this material can be readily realized with the Pt catalyst layer thickness impacting the resulting structure and also present a growth model to explain the evolution of the different types of structures. In addition, we show by electrochemical analysis that the material exhibits characteristic features of Pt in cyclic voltammetry and it can detect very small amounts of hydrogen peroxide with very fast response times. Thus, the present sensor platform provides an interesting electrode material with potential for biomolecule detection and in fuel cells and batteries. In the wider range, we propose a new approach where the selection of catalytic particles used for carbon nanostructure growth is made so that (i) they do not need to be removed and (ii) they will have essential role in the final application.
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Affiliation(s)
- Tomi Laurila
- Department
of Electrical Engineering and Automation, School of Electrical Engineering, Aalto University, Tietotie 3, Espoo 02150, Finland
| | - Sami Sainio
- Department
of Electrical Engineering and Automation, School of Electrical Engineering, Aalto University, Tietotie 3, Espoo 02150, Finland
| | - Hua Jiang
- Department
of Applied Physics, School of Science, Aalto
University, Puumiehenkuja
2, Espoo 02150, Finland
| | - Noora Isoaho
- Department
of Electrical Engineering and Automation, School of Electrical Engineering, Aalto University, Tietotie 3, Espoo 02150, Finland
| | - Jessica E. Koehne
- Center
for Nanotechnology, NASA Ames Research Center, Moffett Field, Mountain View, California 94035, United States
| | - Jarkko Etula
- Department
of Chemistry and Materials Science, School of Chemical Technology, Aalto University, Kemistintie 1, Espoo 02150, Finland
| | - Jari Koskinen
- Department
of Chemistry and Materials Science, School of Chemical Technology, Aalto University, Kemistintie 1, Espoo 02150, Finland
| | - M. Meyyappan
- Center
for Nanotechnology, NASA Ames Research Center, Moffett Field, Mountain View, California 94035, United States
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28
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Chen J, Yang Y, Su J, Jiang P, Xia G, Chen Q. Enhanced Activity for Hydrogen Evolution Reaction over CoFe Catalysts by Alloying with Small Amount of Pt. ACS APPLIED MATERIALS & INTERFACES 2017; 9:3596-3601. [PMID: 28078886 DOI: 10.1021/acsami.6b12065] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The hydrogen evolution reaction highly relied on Pt electrocatalysts, with high activity and stability. In the past few years, a host of efforts have been made in the development of novel platinum nanostructures with a low amount of Pt because the scarcity and high price of Pt hinder its practical applications. Here, we report the preparation of PtCoFe@CN electrocatalysts with a remarkably reduced Pt loading amount of 4.60% by annealing Pt-doped metal-organic frameworks (MOFs). The electrocatalyst demonstrated an outstanding performance with only 45 mV overpotential to achieve the 10 mA cm-2 current density, which is quite close to that of the commercial 20% Pt/C catalyst. The enhanced catalytic capability is originated from the modification of the electronic structures of CoFe by alloying with Pt. The results indicate that robust and superstable alloy electrocatalysts which contain a very small amount of noble metal could be prepared by annealing noble metal-doped MOFs.
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Affiliation(s)
- Jitang Chen
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
- School of Chemistry and Materials Engineering, Fuyang Normal University , Fuyang 236041, China
| | - Yang Yang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
| | - Jianwei Su
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
| | - Peng Jiang
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
| | - Guoliang Xia
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
| | - Qianwang Chen
- Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science & Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China , Hefei 230026, China
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences , Hefei 230031, China
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29
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Chen IWP, Chen YX, Wu CW, Chiu CC, Hsieh YC. Large-scale fabrication of a flexible, highly conductive composite paper based on molybdenum disulfide–Pt nanoparticle–single-walled carbon nanotubes for efficient hydrogen production. Chem Commun (Camb) 2017; 53:380-383. [DOI: 10.1039/c6cc08050b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Creating efficient hydrogen production properties from the macroscopic assembly of two-dimensional materials is still an unaccomplished goal.
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Affiliation(s)
- I-Wen Peter Chen
- Department of Applied Science
- National Taitung University
- Taitung City 95092
- Taiwan
| | - Yu-Xiang Chen
- Department of Applied Science
- National Taitung University
- Taitung City 95092
- Taiwan
| | - Chien-Wei Wu
- Department of Chemistry
- National Taiwan University
- Taipei
- Taiwan
| | - Chun-Chien Chiu
- Department of Applied Science
- National Taitung University
- Taitung City 95092
- Taiwan
| | - Yu-Chieh Hsieh
- Department of Applied Science
- National Taitung University
- Taitung City 95092
- Taiwan
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30
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Chen J, Yu D, Liao W, Zheng M, Xiao L, Zhu H, Zhang M, Du M, Yao J. WO3-x Nanoplates Grown on Carbon Nanofibers for an Efficient Electrocatalytic Hydrogen Evolution Reaction. ACS APPLIED MATERIALS & INTERFACES 2016; 8:18132-18139. [PMID: 27356101 DOI: 10.1021/acsami.6b05245] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The search for non-noble metal catalysts with high activity for the hydrogen evolution reaction (HER) is crucial for efficient hydrogen production at low cost and on a large scale. Herein, we report a novel WO3-x catalyst synthesized on carbon nanofiber mats (CFMs) by electrospinning and followed by a carbonization process in a tubal furnace. The morphology and composition of the catalysts were tailored via a simple method, and the hybrid catalyst mats were used directly as cathodes to investigate their HER performance. Notably, the as-prepared catalysts exhibit substantially enhanced activity for the HER, demonstrating a small overpotential, a high exchange current density, and a large cathodic current density. The remarkable electrocatalytic performances result from the poor crystallinity of WO3-x, the high electrical conductivity of WO3-x, and the use of electrospun CNFs. The present work outlines a straightforward approach for the synthesis of transition metal oxide (TMO)-based carbon nanofiber mats with promising applications for the HER.
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Affiliation(s)
- JiaDong Chen
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - DanNi Yu
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - WeiSha Liao
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - MengDan Zheng
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - LongFei Xiao
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - Han Zhu
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - Ming Zhang
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - MingLiang Du
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
| | - JuMing Yao
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology of the Ministry of Education, College of Materials and Textiles, Zhejiang Sci-Tech University , Hangzhou 310018, P. R. China
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31
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Mi Y, Wen L, Wang Z, Cao D, Zhao H, Zhou Y, Grote F, Lei Y. Ultra-low mass loading of platinum nanoparticles on bacterial cellulose derived carbon nanofibers for efficient hydrogen evolution. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.08.019] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Yang T, Zhu H, Wan M, Dong L, Zhang M, Du M. Highly efficient and durable PtCo alloy nanoparticles encapsulated in carbon nanofibers for electrochemical hydrogen generation. Chem Commun (Camb) 2016; 52:990-3. [DOI: 10.1039/c5cc08097e] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
PtCo/CNFs exhibit extraordinary catalytic activity and durability for hydrogen evolution reaction, even approaching the performance of the commercial Pt/C catalyst, which can be attributed to the alloy structure and the encapsulation of PtCo alloy nanoparticles in CNFs.
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Affiliation(s)
- TingTing Yang
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
| | - Han Zhu
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
| | - Meng Wan
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
| | - Liang Dong
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
| | - Ming Zhang
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
| | - MingLiang Du
- Department of Materials Engineering
- College of Materials and Textile
- Zhejiang Sci-Tech University
- Hangzhou 310018
- P. R. China
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Xiao M, Cheng R, Hao M, Zhou M, Miao Y. Onsite Substitution Synthesis of Ultrathin Ni Nanofilms Loading Ultrafine Pt Nanoparticles for Hydrogen Evolution. ACS APPLIED MATERIALS & INTERFACES 2015; 7:26101-26107. [PMID: 26551915 DOI: 10.1021/acsami.5b07472] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Here, the ultrathin Ni nanofilms loading ultrafine Pt nanoparticles (Ni/Pt nanocomposites) were synthesized by a simple substitution method for the electrocatalysis of hydrogen evolution reaction (HER). First, the ultrathin Ni nanofilms were prepared by using NaBH4 to reduce Ni salt. Then the ultrafine Pt nanoparticles attached on the surface of the ultrathin Ni nanofilms through the onsite substitution reaction between PtCl6(2-) and Ni element. X-ray photoelectron spectroscopy (XPS) experiment confirmed that Ni in Ni/Pt nanocomposites exists in the form of Ni(OH)2. Transmission electro microscope (TEM) study showed that the ultrafine Pt nanoparticles were sufficiently dispersed and loaded at Ni ultrathin nanofilms. The obtained Ni/Pt nanocomposites exhibited superior activity of HER and good stability in acidic media. It obtained 10 and 100 mA/cm(2) with overpotential of only 36 and 115 mV, respectively. The stability experiment of 20,000 s gave nearly negligible current decrease. On the one hand, the ultrathin Ni nanofilms help to disperse and form the ultrafine Pt nanoparticles. On the other hand, the ultrathin Ni nanofilms help to load the ultrafine Pt nanoparticles as catalyst support and immobilize both of them onto the electrode surface because of the high surface free energy of ultrathin nanofilm and the leading high adsorption ability. In addition, Ni itself exhibited somewhat electrocatalytic activity of HER, which contributed to the whole HER electrocatalysis of Ni/Pt nanocomposites. The excellent electrocatalysis may lead to the decreased consumption of expensive Pt and open up new opportunities for applications in hydrogen energy.
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Affiliation(s)
- Mingshu Xiao
- University of Shanghai for Science and Technology , Shanghai 200093, P. R. China
| | - Rui Cheng
- University of Shanghai for Science and Technology , Shanghai 200093, P. R. China
| | - Meifeng Hao
- University of Shanghai for Science and Technology , Shanghai 200093, P. R. China
| | - Mao Zhou
- University of Shanghai for Science and Technology , Shanghai 200093, P. R. China
| | - Yuqing Miao
- University of Shanghai for Science and Technology , Shanghai 200093, P. R. China
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