1
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Sultana S, Darowska I, Pisarek M, Sulka GD, Syrek K. Designing TiO 2 Nanotubular Arrays with Au-CoO x Core-Shell Nanoparticles for Enhanced Photoelectrochemical Methanol and Lignin Oxidation. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39230475 DOI: 10.1021/acsami.4c07498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
One-dimensional (1D) ordered TiO2 nanotubes exhibit exceptional charge transfer capabilities, making them suitable candidates for constructing visible-light-active photoanodes in selective PEC oxidation reactions. Herein, we employed a facile and easily scalable electrochemical method to fabricate Au-CoOx-deposited ordered TiO2 nanotubular array photoanodes. The improved visible light absorption capacity of TiO2-Au-CoOx, with unhampered 1D channels and the controlled integration of Au between TiO2 and CoOx, along with their synergistic interaction, have been identified as the most promising strategy for enhanced PEC performance, as evidenced by an IPCE of 3.7% at 450 nm. Furthermore, the robust interfacial charge transfer pathway from CoOx to the TiO2 surface via the Au mediator promotes the migration of photogenerated electrons and enables the accumulation of holes on the surface of CoOx. These holes are then efficiently utilized by oxidants such as methanol or lignin to generate value-added products, highlighting the potential of this system for advanced PEC applications.
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Affiliation(s)
- Sabiha Sultana
- Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Izabela Darowska
- Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Marcin Pisarek
- Laboratory of Surface Analysis, Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Grzegorz D Sulka
- Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
| | - Karolina Syrek
- Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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2
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Li Q, Li S, Sun H, Niinomi M, Nakano T. Preparation and characterizations of antibacterial iodine-containing coatings on pure Ti. J Mech Behav Biomed Mater 2024; 151:106366. [PMID: 38176198 DOI: 10.1016/j.jmbbm.2023.106366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 12/28/2023] [Accepted: 12/31/2023] [Indexed: 01/06/2024]
Abstract
Iodine-containing coatings were prepared on pure Ti surfaces via electrochemical deposition to enhance their antibacterial properties. The factors influencing iodine content were analyzed using an orthogonal experiment. The electrochemically deposited samples were characterized using scanning electron microscopy with energy dispersive spectroscopy and X-ray photoelectron spectroscopy, and their antibacterial properties and cytotoxicity were evaluated. The results showed that changing the deposition time is an effective way to control the iodine content. The iodine content, coating thickness, and adhesion of the samples increased with deposition time. Iodine in the coatings mainly exists in three forms, which are I2, I3-, and pentavalent iodine. For samples with iodine-containing coatings, the antibacterial ratios against E. coli and S. aureus were greater than 90% and increased with increasing iodine content. Although the samples with iodine-containing coatings showed some inhibition of the proliferation of MC3T3-E1 cells, the cell viabilities were all higher than 80%, suggesting that iodine-containing coatings are biosafe.
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Affiliation(s)
- Qiang Li
- School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, PR China; Shanghai Engineering Research Center of High-Performance Medical Device Materials, Shanghai, 200093, PR China.
| | - Shuaishuai Li
- School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Hao Sun
- School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, PR China
| | - Mitsuo Niinomi
- School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, PR China; Institute for Materials Research, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan; Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamada-Oka, Suita, Osaka 565-0871, Japan
| | - Takayoshi Nakano
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1, Yamada-Oka, Suita, Osaka 565-0871, Japan
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3
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Durdu S, Sivlin D, Ozcan K, Kalkan S, Keles O, Usta M. Surface characterization and antibacterial efficiency of well-ordered TiO 2 nanotube surfaces fabricated on titanium foams. Sci Rep 2024; 14:618. [PMID: 38182771 PMCID: PMC10770057 DOI: 10.1038/s41598-024-51339-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 01/03/2024] [Indexed: 01/07/2024] Open
Abstract
Titanium (Ti)-based implants are not compatible enough due to their bio-inert character, insufficient antibacterial capabilities and stress-shielding problem for dental and orthopaedic implant applications. Thus, this work focused to fabricate, analyze and improve antibacterial properties titanium dioxide (TiO2) nanotube array surfaces on Ti foam by anodic oxidation (AO) process. The well-ordered nanotube arrays with approximately 75 nm were successfully fabricated at 40 V for 1 h on Ti foams. Ti and O were observed as major elements on AO-coated Ti foam surfaces. In addition, the existence of TiO2 structure was proved on AO-coated foam Ti surfaces. For potential dental and orthopedic implant application, in vitro antibacterial properties were investigated versus Staphylococcus aureus and Escherichia coli. For both bacteria, antibacterial properties of TiO2 nanotube surface were greater than bare Ti foam. The bacterial inhibition versus Staphylococcus aureus and Escherichia coli of TiO2 nanotube surfaces are improved as 53.3% and 69.4% compared to bare Ti foam.
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Affiliation(s)
- Salih Durdu
- Department of Industrial Engineering, Engineering Faculty, Giresun University, 28200, Giresun, Turkey.
| | - Dila Sivlin
- Department of Materials and Metallurgical Engineering, Istanbul Technical University, 34469, Istanbul, Turkey
| | - Kadriye Ozcan
- Department of Genetics and Bioengineering, Giresun University, 28200, Giresun, Turkey
| | - Selin Kalkan
- Department of Bioprocess Engineering, Giresun University, 28200, Giresun, Turkey
| | - Ozgul Keles
- Department of Materials and Metallurgical Engineering, Istanbul Technical University, 34469, Istanbul, Turkey.
| | - Metin Usta
- Department of Materials Science and Engineering, Gebze Technical University, 41400, Gebze/Kocaeli, Turkey.
- Aluminum Research Center (GTU-AAUM), Gebze Technical University, 41400, Gebze, Turkey.
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4
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Hu G, Yan H, Xi G, Gao Z, Wu Z, Lu Z, Tu J. Nanopore sensors for single molecular protein detection: Research progress based on computer simulations. IET Nanobiotechnol 2023; 17:257-268. [PMID: 36924083 DOI: 10.1049/nbt2.12124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/20/2023] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
As biological macromolecules, proteins are involved in important cellular functions ranging from DNA replication and biosynthesis to metabolic signalling and environmental sensing. Protein sequencing can help understand the relationship between protein function and structure, and provide key information for disease diagnosis and new drug design. Nanopore sensors are a novel technology to achieve the goal of label-free and high-throughput protein sequencing. In recent years, nanopore-based biosensors have been widely used in the detection and analysis of biomolecules such as DNA, RNA, and proteins. At the same time, computer simulations can describe the transport of proteins through nanopores at the atomic level. This paper reviews the applications of nanopore sensors in protein sequencing over the past decade and the solutions to key problems from a computer simulation perspective, with the aim of pointing the way to the future of nanopore protein sequencing.
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Affiliation(s)
- Gang Hu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Han Yan
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Guohao Xi
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Zhuwei Gao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Ziqing Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Zuhong Lu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
| | - Jing Tu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
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Liu H, Zhou Q, Wang W, Fang F, Zhang J. Solid-State Nanopore Array: Manufacturing and Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205680. [PMID: 36470663 DOI: 10.1002/smll.202205680] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/14/2022] [Indexed: 06/17/2023]
Abstract
Nanopore brings extraordinary properties for a variety of potential applications in various industrial sectors. Since manufacturing of solid-state nanopore is first reported in 2001, solid-state nanopore has become a hot topic in the recent years. An increasing number of manufacturing methods have been reported, with continuously decreased sizes from hundreds of nanometers at the beginning to ≈1 nm until recently. To enable more robust, sensitive, and reliable devices required by the industry, researchers have started to explore the possible methods to manufacture nanopore array which presents unprecedented challenges on the fabrication efficiency, accuracy and repeatability, applicable materials, and cost. As a result, the exploration of fabrication of nanopore array is still in the fledging period with various bottlenecks. In this article, a wide range of methods of manufacturing nanopores are summarized along with their achievable morphologies, sizes, inner structures for characterizing the main features, based on which the manufacturing of nanopore array is further addressed. To give a more specific idea on the potential applications of nanopore array, some representative practices are introduced such as DNA/RNA sequencing, energy conversion and storage, water desalination, nanosensors, nanoreactors, and dialysis.
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Affiliation(s)
- Hongshuai Liu
- Centre of Micro/Nano Manufacturing Technology (MNMT-Dublin), School of Mechanical and Materials Engineering, University College Dublin, Dublin, D04 V1W8, Ireland
| | - Qin Zhou
- College of Basic Medicine, Harbin Medical University, No. 157 Baojian Road, Nangang District, Harbin, Heilongjiang, 150081, China
| | - Wei Wang
- School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, 2006 Xiyuan Ave, Chengdu, Sichuan, 611731, China
| | - Fengzhou Fang
- Centre of Micro/Nano Manufacturing Technology (MNMT-Dublin), School of Mechanical and Materials Engineering, University College Dublin, Dublin, D04 V1W8, Ireland
- State Key Laboratory of Precision Measuring Technology and Instruments, Laboratory of Micro/Nano Manufacturing Technology (MNMT), Tianjin University, Tianjin, 300072, China
| | - Jufan Zhang
- Centre of Micro/Nano Manufacturing Technology (MNMT-Dublin), School of Mechanical and Materials Engineering, University College Dublin, Dublin, D04 V1W8, Ireland
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6
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The relationship between the growth rate of anodic TiO2 nanotubes, the fluoride concentration and the electronic current. Electrochem commun 2023. [DOI: 10.1016/j.elecom.2023.107457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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7
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Gurgul M, Gawlak K, Knapik A, Kozieł M, Zaraska L. The effect of electrolyte temperature on the growth, morphology, and properties of porous anodic tin oxide films. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117246] [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]
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8
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Alias N, Hussain Z, Tan WK, Kawamura G, Muto H, Matsuda A, Lockman Z. Photoreduction of Cr(VI) in wastewater by anodic nanoporous Nb 2O 5 formed at high anodizing voltage and electrolyte temperature. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:60600-60615. [PMID: 35426025 DOI: 10.1007/s11356-022-20005-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/27/2022] [Indexed: 06/14/2023]
Abstract
In this study, nanoporous anodic film was produced by anodization of niobium, Nb in a fluoride ethylene glycol electrolyte. The effect of anodization voltage and electrolyte temperature was studied to find an optimum condition for circular, ordered, and uniform pore formation. The diameter of the pores was found to be larger when the applied voltage was increased from 20 to 80 V. The as-anodized porous film was also observed to comprise of nanocrystallites which formed due to high field-induced crystallization. The nanocrystallites grew into orthorhombic Nb2O5 after post-annealing treatment. The Cr(VI) photoreduction property of both the as-anodized and annealed Nb2O5 samples obtained using an optimized condition (anodization voltage: 60 V, electrolyte temperature: 70 °C) was compared. Interestingly, the as-anodized Nb2O5 film was found to display better photoreduction of Cr(VI) than annealed Nb2O5. However, in terms of stability, the annealed Nb2O5 presented high photocatalytic efficiency for each cycle whereas the as-anodized Nb2O5 showed degradation in photocatalytic performance when used continually.
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Affiliation(s)
- Nurhaswani Alias
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Pulau Pinang, Malaysia
| | - Zuhailawati Hussain
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Pulau Pinang, Malaysia
| | - Wai Kian Tan
- Institute of Liberal Arts and Sciences, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Go Kawamura
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Hiroyuki Muto
- Institute of Liberal Arts and Sciences, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Atsunori Matsuda
- Department of Electrical and Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi, 441-8580, Japan
| | - Zainovia Lockman
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Pulau Pinang, Malaysia.
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9
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Wang A, Yuan W, Song Y, Zang Y, Yu Y. Osseointegration Effect of Micro-Nano Implants Loaded With Kaempferol in Osteoporotic Rats. Front Bioeng Biotechnol 2022; 10:842014. [PMID: 35284417 PMCID: PMC8905647 DOI: 10.3389/fbioe.2022.842014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 01/21/2022] [Indexed: 01/22/2023] Open
Abstract
Objective: To investigate the effect of osseointegration of kaempferol loaded on the surface of micro-nanomorphic implants in ovariectomized rats. Methods: Titanium flakes were polished to obtain the PT group, anodized and acid-etched to obtain the NT and WNT groups, loaded with kaempferol to obtain the KNT and KWNT groups, and spin-coated on chitosan-gelatin composite film to obtain the KNT-CG and KWNT-CG groups. In vitro experiments were performed to observe the physicochemical properties of the titanium tablets in each group through scanning electron microscopy and contact angle experiments. The cytotoxicity and drug release pattern were observed using CCK-8 and drug release assays. An osteoporosis rat model was established. Pure titanium implants were divided into PT, NT, WNT, KNT-CG, and KWNT-CG groups after the same treatment and used in the in vivo experiments and then implanted in the femur of mice in each group. After 4 weeks, all samples were collected for toluidine blue staining, micro-computed tomography scanning, and bone morphometry analysis to evaluate their osteogenic properties. Results: According to scanning electron microscopy, the surface of the titanium flakes had a micro-nano morphology in the WNT group and the KNT and KWNT groups were functionally loaded with kaempferol. In CCK-8 and drug release experiments, the loaded kaempferol and gelatin composite membranes showed no significant toxic effects on cells. The drug release time in the KNT-CG and KWNT-CG groups was significantly longer than that in the KNT and KWNT groups, with the release time in the KWNT-CG group reaching 15 days. In vivo experiments micro-computed tomography and bone morphometry analysis showed that the osteoporosis model had been successfully constructed. The bone volume fraction around the implant increased. Toluidine blue staining showed new bone formation and a significantly increased number of bone trabeculae. Conclusion: Kaempferol micro-nanocomposite coating improved the osseointegration ability of implants in osteoporotic rats.
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Affiliation(s)
- Anyue Wang
- Department of Stomatology, School of Stomatology of Qingdao University, Qingdao, China
| | | | - Yu Song
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Yanjun Zang
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
| | - Yanling Yu
- Qingdao Stomatological Hospital Affiliated to Qingdao University, Qingdao, China
- *Correspondence: Yanling Yu,
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10
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Lin J, Cai W, Peng Q, Meng F, Zhang D. Preparation of TiO 2 Nanotube Array on the Pure Titanium Surface by Anodization Method and Its Hydrophilicity. SCANNING 2021; 2021:2717921. [PMID: 35024085 PMCID: PMC8720585 DOI: 10.1155/2021/2717921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
In this work, a highly ordered TiO2 nanotube array on pure titanium (Ti) was prepared by anodization. The effects of the applied voltage and anodization time on the microstructure of the TiO2 nanotube arrays were investigated, and their hydrophilicity was evaluated by the water contact angle measurement. It was found that a highly ordered array of TiO2 nanotubes can be formed on the surface of pure Ti by anodized under the applied voltage of 20 V and the anodization time in the range of 6-12 h, and the nanotube diameter and length can be regulated by anodization time. The as-prepared TiO2 nanotubes were in an amorphous structure. After annealing at 550°C for 3 h, the amorphous TiO2 can be transformed to the anatase TiO2 through crystallization. The anatase TiO2 array exhibited a greatly improved hydrophilicity, depending on the order degree of the array and the diameter of the nanotubes. The sample anodized at 20 V for 12 h and then annealed at 550°C for 3 h exhibited a superhydrophilicity due to its highly ordered anatase TiO2 nanotube array with a tube diameter of 103.5 nm.
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Affiliation(s)
- Jianguo Lin
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105 Hunan, China
| | - Wenhao Cai
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105 Hunan, China
| | - Qing Peng
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105 Hunan, China
| | - Fanbin Meng
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Dechuang Zhang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105 Hunan, China
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11
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Gong T, Chen J, Fang P, Liu L, Li C, Han A, Song Y. Debunking the essential effect of temperature and voltage on the current curve and the nanotube morphology. RSC Adv 2021; 12:429-436. [PMID: 35424478 PMCID: PMC8978680 DOI: 10.1039/d1ra06694c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/23/2021] [Indexed: 11/21/2022] Open
Abstract
The formation mechanism of anodic TiO2 nanotubes remains to be unclear till now. Many researchers study the influence of temperatures above 0 °C instead of below 0 °C. Few papers before have explained the relationship between the current-time curve and the morphology of the nanotubes. In this study, the innovative 'oxygen bubble model' and the ionic current and electronic current theories were introduced to explain the growth of nanotubes below 0 °C. The length of anodic TiO2 nanotubes at 15 °C, 0 °C, -10 °C were 1.28 μm, 0.93 μm and 0.21 μm, respectively, but the diameter of anodic TiO2 nanotubes was almost the same, at about 164 nm. When the temperature was low, the magnitude of electronic current and the ionic current was small, the mold effect was weak and nanotubes could not be formed. At the same time, this study shows that the dissolution reaction of the field-assisted solution theory has no electron gain or loss, and it has nothing to do with the current, which negates the field-assisted dissolution theory. A novel two-step anodization was used to verify the conclusion. It was found that nanotubes could be obtained when the anodizing current was decreasing or increasing. Also, ginseng-shaped nanotubes are formed at a particular voltage sequence. Based on the 'oxygen bubble model' and the ionic current and electronic current theories, the formation process of nanotubes of two-step anodization is explained clearly.
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Affiliation(s)
- Tianle Gong
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Jieda Chen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Pengjin Fang
- School of Environmental and Chemical Engineering, Jiangsu Ocean University Lianyungang 222005 China
| | - Lin Liu
- School of Environmental and Chemical Engineering, Jiangsu Ocean University Lianyungang 222005 China
| | - Chengyuan Li
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Aijun Han
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
| | - Ye Song
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology Nanjing 210094 China
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12
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Li P, Wang J, Liu L, Ma J, Ni Y, Wang H, Song Y. The effect of atmospheric pressure on the growth rate of TiO2 nanotubes: Evidence against the field-assisted dissolution theory. Electrochem commun 2021. [DOI: 10.1016/j.elecom.2021.107146] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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13
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Wang Z, Lv TY, Shi ZB, Yang SS, Gu ZY. Two-dimensional materials as solid-state nanopores for chemical sensing. Dalton Trans 2021; 50:13608-13619. [PMID: 34518861 DOI: 10.1039/d1dt02206g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Solid-state nanopores as a versatile alternative to biological nanopores have grown tremendously over the last two decades. They exhibit unique characteristics including mechanical robustness, thermal and chemical stability, easy modifications and so on. Moreover, the pore size of a solid-state nanopore could be accurately controlled from sub-nanometers to hundreds of nanometers based on the experimental requirements, presenting better adaptability than biological nanopores. Two-dimensional (2D) materials with single layer thicknesses and highly ordered structures have great potential as solid-state nanopores. In this perspective, we introduced three kinds of substrate-supported 2D material solid-state nanopores, including graphene, MoS2 and MOF nanosheets, which exhibited big advantages compared to traditional solid-state nanopores and other biological counterparts. Besides, we suggested the fabrication and modulation of 2D material solid-state nanopores. We also discussed the applications of 2D materials as solid-state nanopores for ion transportation, DNA sequencing and biomolecule detection.
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Affiliation(s)
- Zhan Wang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Tian-Yi Lv
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Zi-Bo Shi
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
| | - Shi-Shu Yang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
- Henan Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, P. R. China.
| | - Zhi-Yuan Gu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, P. R. China.
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14
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Gong T, Li C, Li X, Yue H, Zhu X, Zhao Z, Lv R, Zhu J. Evidence of oxygen bubbles forming nanotube embryos in porous anodic oxides. NANOSCALE ADVANCES 2021; 3:4659-4668. [PMID: 36134301 PMCID: PMC9417053 DOI: 10.1039/d1na00389e] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 06/23/2021] [Indexed: 05/17/2023]
Abstract
Anodic TiO2 nanotubes have been studied widely for two decades because of their regular tubular structures and extensive applications. However, the formation mechanism of anodic TiO2 nanotubes remains unclear, because it is difficult to find convincing evidence for popular field-assisted dissolution or field-assisted injection theories and the oxygen bubble model. Here, in a bid to find direct evidence that oxygen bubbles form nanotube embryos, a new method is applied to handle this challenge. Before nanotube formation, a dense cover layer was formed to make nanotubes grow more slowly. Many completely enclosed nanotube embryos formed by oxygen bubbles were found beneath the dense cover layer for the first time. The formation of these enclosed and hollow gourd-shaped embryos is convincing enough to prove that the nanotubes are formed by the oxygen bubble mold, similar to inflating a football, rather than by field-assisted dissolution. Based on the 'oxygen bubble model' and ionic current and electronic current theories, the formation and growth process of nanotube embryos is explained clearly for the first time. These interesting findings indicate that the 'oxygen bubble model' and ionic current and electronic current theories also apply to anodization of other metals.
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Affiliation(s)
- Tianle Gong
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Chengyuan Li
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Xin Li
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Hangyu Yue
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Xufei Zhu
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Ziyu Zhao
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Renquan Lv
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
| | - Junwu Zhu
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology Nanjing 210094 China
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Lee J, Jung SY, Kumbhar VS, Uhm S, Kim HJ, Lee K. Formation of aluminum oxide nanostructures via anodization of Al3104 alloy and their wettability behavior for self-cleaning application. Catal Today 2021. [DOI: 10.1016/j.cattod.2019.04.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Jarosz M, Zaraska L, Kozieł M, Simka W, Sulka GD. Electrochemical Oxidation of Ti15Mo Alloy-The Impact of Anodization Parameters on Surface Morphology of Nanostructured Oxide Layers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 11:E68. [PMID: 33396758 PMCID: PMC7824637 DOI: 10.3390/nano11010068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/23/2020] [Accepted: 12/25/2020] [Indexed: 11/16/2022]
Abstract
It is well-known that the structure and composition of the material plays an important role in the processes occurring at the surface. In this paper, a surface morphology of nanostructured oxide layers electrochemically grown on Ti15Mo, tuned by applying different anodization parameters, was investigated in detail. The one-step anodization of Ti15Mo alloy was performed at room temperature in an ethylene glycol-based electrolyte containing 0.11 M NH4F and 1.11 M H2O. Different anodization times (ranging from 5 to 60 min) and applied potentials (40-100 V) were tested, and the surface morphology, elemental content, and crystalline structure were monitored by scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS), and X-ray diffractometry (XRD), respectively. The results showed that contrary to the multistep anodization of titanium foil, the surface morphology of anodic oxide obtained via the one-step process contains the nanoporous outer layer covering the nanotubular structure. What is more, the pore diameter (Dp) and interpore distance (Dint) of such layers exhibit different trends than those observed for anodization of pure titanium. In particular, at a certain potential range, a decrease in both Dp and Dint with increasing potential was observed. However, independently on the used anodization conditions, the elemental content of oxide layers remained similar, showing the amount of molybdenum at c.a. 15 wt.%. Finally, the amorphous nature of as-anodized layers was confirmed, and their optical band-gap was determined from the diffuse reflectance UV-Vis spectra. It was found that Eg is tunable to some extent by changing the anodizing potential. However, further thermal treatment in air at 400 °C resulted in the anatase phase formation that was accompanied by a significant Eg reduction. Therefore, we believe that the presented results will greatly contribute to the understanding of anodic formation of nanostructured functional oxide layers with tunable properties that can be applied in various fields.
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Affiliation(s)
- Magdalena Jarosz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30387 Krakow, Poland; (M.K.); (G.D.S.)
| | - Leszek Zaraska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30387 Krakow, Poland; (M.K.); (G.D.S.)
| | - Marcin Kozieł
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30387 Krakow, Poland; (M.K.); (G.D.S.)
| | - Wojciech Simka
- Faculty of Chemistry, Silesian University of Technology, B. Krzywoustego 6, 44100 Gliwice, Poland;
| | - Grzegorz D. Sulka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30387 Krakow, Poland; (M.K.); (G.D.S.)
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17
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Ozan S, Munir K, Biesiekierski A, Ipek R, Li Y, Wen C. Titanium Alloys, Including Nitinol. Biomater Sci 2020. [DOI: 10.1016/b978-0-12-816137-1.00018-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Li C, Wu L, Zhao S, Jiang L, Yang Y, Zhang K, Zhu X. Essential influence of electrode and electrolyte temperatures on the anodizing process of Ti. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.03.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Chen Q, Liu Z. Fabrication and Applications of Solid-State Nanopores. SENSORS 2019; 19:s19081886. [PMID: 31010038 PMCID: PMC6515193 DOI: 10.3390/s19081886] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/14/2019] [Accepted: 04/17/2019] [Indexed: 12/25/2022]
Abstract
Nanopores fabricated from synthetic materials (solid-state nanopores), platforms for characterizing biological molecules, have been widely studied among researchers. Compared with biological nanopores, solid-state nanopores are mechanically robust and durable with a tunable pore size and geometry. Solid-state nanopores with sizes as small as 1.3 nm have been fabricated in various films using engraving techniques, such as focused ion beam (FIB) and focused electron beam (FEB) drilling methods. With the demand of massively parallel sensing, many scalable fabrication strategies have been proposed. In this review, typical fabrication technologies for solid-state nanopores reported to date are summarized, with the advantages and limitations of each technology discussed in detail. Advanced shrinking strategies to prepare nanopores with desired shapes and sizes down to sub-1 nm are concluded. Finally, applications of solid-state nanopores in DNA sequencing, single molecule detection, ion-selective transport, and nanopatterning are outlined.
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Affiliation(s)
- Qi Chen
- Institute of Microelectronics, Tsinghua University, Beijing 100084, China.
| | - Zewen Liu
- Institute of Microelectronics, Tsinghua University, Beijing 100084, China.
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20
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Mohamed M, Moustafa S, Taha SA, Abd-Elnaiem AM. Morphological characterization and refractive index calculation of anodized titanium (99.7%) foil in HF-ethanol electrolyte. MATERIALS RESEARCH EXPRESS 2018; 6:035026. [DOI: 10.1088/2053-1591/aaf7c0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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21
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Sopha H, Baudys M, Krbal M, Zazpe R, Prikryl J, Krysa J, Macak JM. Scaling up anodic TiO2 nanotube layers for gas phase photocatalysis. Electrochem commun 2018. [DOI: 10.1016/j.elecom.2018.10.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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22
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Kapusta-Kołodziej J, Chudecka A, Sulka GD. 3D nanoporous titania formed by anodization as a promising photoelectrode material. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.06.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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23
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Fu Y, Mo A. A Review on the Electrochemically Self-organized Titania Nanotube Arrays: Synthesis, Modifications, and Biomedical Applications. NANOSCALE RESEARCH LETTERS 2018; 13:187. [PMID: 29956033 PMCID: PMC6023805 DOI: 10.1186/s11671-018-2597-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Accepted: 06/07/2018] [Indexed: 02/05/2023]
Abstract
Titania nanotubes grown by anodic oxidation have intrigued the material science community by its many unique and potential properties, and the synthesis of technology is merging to its mature stage. The present review will focus on TiO2 nanotubes grown by self-organized electrochemical anodization from Ti metal substrate, which critically highlights the synthesis of this type of self-organized titania nanotube layers and the means to influence the size, shape, the degree of order, and crystallized phases via adjusting the anodization parameters and the subsequent thermal annealing. The relationship between dimensions and properties of the anodic TiO2 nanotube arrays will be presented. The latest progress and significance of the research on formation mechanism of anodic TiO2 nanotubes are briefly discussed. Besides, we will show the most promising applications reported recently in biomedical directions and modifications carried out by doping, surface modification, and thermal annealing toward improving the properties of anodically formed TiO2 nanotubes. At last, some unsolved issues and possible future directions of this field are indicated.
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Affiliation(s)
- Yu Fu
- State Key Laboratory of Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041 China
| | - Anchun Mo
- State Key Laboratory of Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041 China
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24
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Li H, Ding M, Jin J, Sun D, Zhang S, Jia C, Sun L. Effect of Electrolyte Pretreatment on the Formation of TiO2
Nanotubes: An Ignored yet Non-negligible Factor. ChemElectroChem 2018. [DOI: 10.1002/celc.201701231] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Huifei Li
- State Key Laboratory of Mechanical Transmission, School of Materials Science and Engineering; Chongqing University, Chongqing; 400044 PR China
| | - Mei Ding
- College of Materials Science and Engineering; Changsha University of Science and Technology; Changsha 410114 PR China
| | - Jian Jin
- State Key Laboratory of Mechanical Transmission, School of Materials Science and Engineering; Chongqing University, Chongqing; 400044 PR China
| | - Deen Sun
- State Key Laboratory of Mechanical Transmission, School of Materials Science and Engineering; Chongqing University, Chongqing; 400044 PR China
| | - Sam Zhang
- Faculty of Materials and Energy; Southwest University, Chongqing; 400715 PR China
| | - Chuankun Jia
- College of Materials Science and Engineering; Changsha University of Science and Technology; Changsha 410114 PR China
- Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education; Nankai University; Tianjin 300071 PR China
| | - Lidong Sun
- State Key Laboratory of Mechanical Transmission, School of Materials Science and Engineering; Chongqing University, Chongqing; 400044 PR China
- Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education; Nankai University; Tianjin 300071 PR China
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25
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Park YJ, Kim JW, Ali G, Kim HJ, Addad Y, Cho SO. Fabrication of Uniform Nanoporous Oxide Layers on Long Cylindrical Zircaloy Tubes by Anodization Using Multi-Counter Electrodes. NANOSCALE RESEARCH LETTERS 2017; 12:20. [PMID: 28058652 PMCID: PMC5216014 DOI: 10.1186/s11671-016-1774-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 12/07/2016] [Indexed: 06/06/2023]
Abstract
We have presented a method to prepare a uniform anodic nanoporous oxide film on the surface of a cylindrical zircaloy (Zr) tube. The distribution of the electric field around the Zr tube determines the distribution of the thickness of the anodic nanoporous oxide film. The electric field generated when a cylindrical Zr tube is electrochemically anodized was simulated by using commercial code COMSOL. When four Pt wires were used as counter electrodes, a uniform electric field was achieved with minimal use of Pt. Based on the simulation results, a cylindrical Zr tube was anodized and the distribution of the thickness of the anodic nanoporous oxide layer was measured by FESEM. Also, mass production of uniform nanoporous anodic oxide films was possible by symmetrically arranging the zircaloy tubes and Pt wires.
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Affiliation(s)
- Yang Jeong Park
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701 Republic of Korea
| | - Jung Woo Kim
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701 Republic of Korea
| | - Ghafar Ali
- Nanomaterials Research Group (NRG), Physics Division (PD), PINSTECH, Islamabad, 45650 Pakistan
| | - Hyun Jin Kim
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701 Republic of Korea
| | - Yacine Addad
- Department of Nuclear Engineering, Khalifa University of Science, Technology and Research, Abu Dhabi, 127788 United Arab Emirates
| | - Sung Oh Cho
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701 Republic of Korea
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26
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Kim M, Park K, Kim JM. Phosphate recovery from livestock wastewater using iron oxide nanotubes. Chem Eng Res Des 2016. [DOI: 10.1016/j.cherd.2016.06.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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27
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Kure-Chu SZ, Sakuyama H, Saito S, Miura S, Yashiro H, Hirahara H, Segawa H, Wada K, Inoue S. Controllable Fabrication of Multi-tiered Nanoporous Anodic TiO2–TiN Composite Films as High-Performance Anode Materials for Lithium-Ion Batteries. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.05.210] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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28
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Chen S, Liao M, Yang P, Yan S, Jin R, Zhu X. Simulation of anodizing current–time curves and the morphology evolution of TiO2 nanotubes obtained in phosphoric electrolytes. RSC Adv 2016. [DOI: 10.1039/c6ra17125g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The simulation and separation of anodizing current density–time curves obtained in mixed electrolytes.
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Affiliation(s)
- Shiyi Chen
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Maoying Liao
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Peng Yang
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Shuo Yan
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Rong Jin
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
| | - Xufei Zhu
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry
- Nanjing University of Science and Technology
- Nanjing 210094
- China
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29
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Park YJ, Ha JM, Ali G, Kim HJ, Addad Y, Cho SO. Controlled Fabrication of Nanoporous Oxide Layers on Zircaloy by Anodization. NANOSCALE RESEARCH LETTERS 2015; 10:377. [PMID: 26415542 PMCID: PMC4586180 DOI: 10.1186/s11671-015-1086-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 09/21/2015] [Indexed: 06/05/2023]
Abstract
We have presented a mechanism to explain why the resulting oxide morphology becomes a porous or a tubular nanostructure when a zircaloy is electrochemically anodized. A porous zirconium oxide nanostructure is always formed at an initial anodization stage, but the degree of interpore dissolution determines whether the final morphology is nanoporous or nanotubular. The interpore dissolution rate can be tuned by changing the anodization parameters such as anodization time and water content in an electrolyte. Consequently, porous or tubular oxide nanostructures can be selectively fabricated on a zircaloy surface by controlling the parameters. Based on this mechanism, zirconium oxide layers with completely nanoporous, completely nanotubular, and intermediate morphologies between a nanoporous and a nanotubular structure were controllably fabricated.
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Affiliation(s)
- Yang Jeong Park
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701, Republic of Korea
| | - Jun Mok Ha
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701, Republic of Korea
| | - Ghafar Ali
- Nanomaterials Research Group (NRG), Physics Division (PD), PINSTECH, Islamabad, 45650, Pakistan
| | - Hyun Jin Kim
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701, Republic of Korea
| | - Yacine Addad
- Department of Nuclear Engineering, Khalifa University of Science, Technology and Research, Abu Dhabi, 127788, United Arab Emirates
| | - Sung Oh Cho
- Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong, Yuseong, Daejeon, 305-701, Republic of Korea.
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30
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Szkoda M, Siuzdak K, Lisowska-Oleksiak A. Optimization of electrochemical doping approach resulting in highly photoactive iodine-doped titania nanotubes. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-015-3081-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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31
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Zhang Y, Cheng W, Du F, Zhang S, Ma W, Li D, Song Y, Zhu X. Quantitative relationship between nanotube length and anodizing current during constant current anodization. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.08.098] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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32
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Syrek K, Kapusta-Kołodziej J, Jarosz M, Sulka GD. Effect of electrolyte agitation on anodic titanium dioxide (ATO) growth and its photoelectrochemical properties. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.09.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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33
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Simulation of anodizing current-time curves and morphology evolution of TiO2 nanotubes anodized in electrolytes with different NH4F concentrations. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.07.110] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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34
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Chong B, Yu D, Jin R, Wang Y, Li D, Song Y, Gao M, Zhu X. Theoretical derivation of anodizing current and comparison between fitted curves and measured curves under different conditions. NANOTECHNOLOGY 2015; 26:145603. [PMID: 25785353 DOI: 10.1088/0957-4484/26/14/145603] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Anodic TiO2 nanotubes have been studied extensively for many years. However, the growth kinetics still remains unclear. The systematic study of the current transient under constant anodizing voltage has not been mentioned in the original literature. Here, a derivation and its corresponding theoretical formula are proposed to overcome this challenge. In this paper, the theoretical expressions for the time dependent ionic current and electronic current are derived to explore the anodizing process of Ti. The anodizing current-time curves under different anodizing voltages and different temperatures are experimentally investigated in the anodization of Ti. Furthermore, the quantitative relationship between the thickness of the barrier layer and anodizing time, and the relationships between the ionic/electronic current and temperatures are proposed in this paper. All of the current-transient plots can be fitted consistently by the proposed theoretical expressions. Additionally, it is the first time that the coefficient A of the exponential relationship (ionic current j(ion) = A exp(BE)) has been determined under various temperatures and voltages. And the results indicate that as temperature and voltage increase, ionic current and electronic current both increase. The temperature has a larger effect on electronic current than ionic current. These results can promote the research of kinetics from a qualitative to quantitative level.
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Affiliation(s)
- Bin Chong
- Key Laboratory of Soft Chemistry and Functional Materials of Education Ministry, Nanjing University of Science and Technology, Nanjing 210094, People's Repubilc of China
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35
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Zhang Y, Yu D, Gao M, Li D, Song Y, Jin R, Ma W, Zhu X. Growth of anodic TiO2 nanotubes in mixed electrolytes and novel method to extend nanotube diameter. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.02.058] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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36
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Xue Y, Sun Y, Wang G, Yan K, Zhao J. Effect of NH4F concentration and controlled-charge consumption on the photocatalytic hydrogen generation of TiO2 nanotube arrays. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2014.12.134] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Effect of water content on ionic current, electronic current, and nanotube morphology in Ti anodizing process. J Solid State Electrochem 2015. [DOI: 10.1007/s10008-015-2744-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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38
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Siuzdak K, Szkoda M, Sawczak M, Lisowska-Oleksiak A. Novel nitrogen precursors for electrochemically driven doping of titania nanotubes exhibiting enhanced photoactivity. NEW J CHEM 2015. [DOI: 10.1039/c5nj00127g] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple electrochemical method was elaborated for the modification of titania nanotubes with nitrogen atoms using different dopant precursors.
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Affiliation(s)
- Katarzyna Siuzdak
- Centre for Plasma and Laser Engineering
- The Szewalski Institute of Fluid Flow Machinery
- Polish Academy of Science
- Gdansk 80-231
- Poland
| | - Mariusz Szkoda
- Department of Chemistry and Technology of Functional Materials
- Chemical Faculty
- Gdansk University of Technology
- Gdansk 80-233
- Poland
| | - Mirosław Sawczak
- Centre for Plasma and Laser Engineering
- The Szewalski Institute of Fluid Flow Machinery
- Polish Academy of Science
- Gdansk 80-231
- Poland
| | - Anna Lisowska-Oleksiak
- Department of Chemistry and Technology of Functional Materials
- Chemical Faculty
- Gdansk University of Technology
- Gdansk 80-233
- Poland
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39
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Siuzdak K, Szkoda M, Sawczak M, Lisowska-Oleksiak A, Karczewski J, Ryl J. Enhanced photoelectrochemical and photocatalytic performance of iodine-doped titania nanotube arrays. RSC Adv 2015. [DOI: 10.1039/c5ra08407e] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The paper discusses the synthesis and performance of iodine doped titania nanotube arrays exhibited under irradiation.
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Affiliation(s)
- Katarzyna Siuzdak
- Centre of Plasma and Laser Engineering
- Szewalski Institute of Fluid-Flow Machinery
- Polish Academy of Sciences
- Gdańsk 80-231
- Poland
| | - Mariusz Szkoda
- Department of Chemistry and Technology of Functional Materials
- Chemical Faculty
- Gdańsk University of Technology
- Gdańsk 80-233
- Poland
| | - Mirosław Sawczak
- Centre of Plasma and Laser Engineering
- Szewalski Institute of Fluid-Flow Machinery
- Polish Academy of Sciences
- Gdańsk 80-231
- Poland
| | - Anna Lisowska-Oleksiak
- Department of Chemistry and Technology of Functional Materials
- Chemical Faculty
- Gdańsk University of Technology
- Gdańsk 80-233
- Poland
| | - Jakub Karczewski
- Faculty of Applied Physics and Mathematics
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
| | - Jacek Ryl
- Department of Electrochemistry, Corrosion and Materials Engineering
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
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40
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Kapusta-Kołodziej J, Tynkevych O, Pawlik A, Jarosz M, Mech J, Sulka GD. Electrochemical growth of porous titanium dioxide in a glycerol-based electrolyte at different temperatures. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.08.055] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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41
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Effect of the previous usage of electrolyte on growth of anodic titanium dioxide (ATO) in a glycerol-based electrolyte. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.05.077] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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