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Yadgarov L, Tenne R. Nanotubes from Transition Metal Dichalcogenides: Recent Progress in the Synthesis, Characterization and Electrooptical Properties. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2400503. [PMID: 38953349 DOI: 10.1002/smll.202400503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 06/02/2024] [Indexed: 07/04/2024]
Abstract
Inorganic layered compounds (2D-materials), particularly transition metal dichalcogenide (TMDC), are the focus of intensive research in recent years. Shortly after the discovery of carbon nanotubes (CNTs) in 1991, it was hypothesized that nanostructures of 2D-materials can also fold and seam forming, thereby nanotubes (NTs). Indeed, nanotubes (and fullerene-like nanoparticles) of WS2 and subsequently from MoS2 were reported shortly after CNT. However, TMDC nanotubes received much less attention than CNT until recently, likely because they cannot be easily produced as single wall nanotubes with well-defined chiral angles. Nonetheless, NTs from inorganic layered compounds have become a fertile field of research in recent years. Much progress has been achieved in the high-temperature synthesis of TMDC nanotubes of different kinds, as well as their characterization and the study of their properties and potential applications. Their multiwall structure is found to be a blessing rather than a curse, leading to intriguing observations. This concise minireview is dedicated to the recent progress in the research of TMDC nanotubes. After reviewing the progress in their synthesis and structural characterization, their contributions to the research fields of energy conversion and storage, polymer nanocomposites, andunique optoelectronic devices are being reviewed. These studies suggest numerous potential applications for TMDC nanotubes in various technologies, which are briefly discussed.
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Affiliation(s)
- Lena Yadgarov
- The Department of Chemical Engineering, Ariel University, Ramat HaGolan St 65, Ariel, 4077625, Israel
| | - Reshef Tenne
- Department of Molecular Chemistry and Materials Science, Weizmann Institute, Hertzl Street 234, Rehovot, 7610010, Israel
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Zhao H, Zhu Y, Wang C, Zhang Y, Zhang L. Application of GaS nanotubes as efficient catalysts in photocatalytic hydrolysis: a first principles study. Phys Chem Chem Phys 2024; 26:6148-6154. [PMID: 38299681 DOI: 10.1039/d3cp06072a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
Photocatalytic hydrogen production is a promising and sustainable technology that converts solar energy into hydrogen energy with the assistance of semiconductor photocatalysts. Herein, we investigated the geometric structure and electronic and photocatalytic properties of single-walled GaS nanotubes under the framework of density functional theory with HSE06 as an exchange-correlation function. This paper presents the first study on the geometric structure, electron, and photocatalytic properties of single-walled GaS nanotubes. The results show that the strain energy and formation energy of GaS nanotubes decrease, while the structure is more stable, with increasing radius. Our study shows that after rolling from the slab, the nanotubes undergo a transition from an indirect band gap to a direct band gap and have appropriate band gaps for absorbing visible light. Moreover, it is speculated that the large disparity between the effective mass of electrons and holes can reduce charge carrier recombination. Among them, the nanotube with a diameter larger than (35, 0) showed promising band edge positions for photocatalytic hydrolysis redox potential with pH values between 0 and 7. Based on these properties, we believe that GaS nanotubes will be promising in photocatalytic hydrolysis.
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Affiliation(s)
- Huanyu Zhao
- School of Physics and Materials Science, Changji University, Changji 831100, People's Republic of China.
| | - Yingtao Zhu
- School of Physics and Materials Science, Changji University, Changji 831100, People's Republic of China.
| | - Chao Wang
- School of Physics and Materials Science, Changji University, Changji 831100, People's Republic of China.
| | - Yujiao Zhang
- School of Physics and Materials Science, Changji University, Changji 831100, People's Republic of China.
| | - Long Zhang
- School of Physics and Materials Science, Changji University, Changji 831100, People's Republic of China.
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Singh A, Pakhira S. Synergistic Niobium Doped Two-Dimensional Zirconium Diselenide: An Efficient Electrocatalyst for O 2 Reduction Reaction. ACS PHYSICAL CHEMISTRY AU 2024; 4:40-56. [PMID: 38283785 PMCID: PMC10811770 DOI: 10.1021/acsphyschemau.3c00035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 10/03/2023] [Accepted: 10/03/2023] [Indexed: 01/30/2024]
Abstract
The development of high-activity and low-price cathodic catalysts to facilitate the electrochemically sluggish O2 reduction reaction (ORR) is very important to achieve the commercial application of fuel cells. Here, we have investigated the electrocatalytic activity of the two-dimensional single-layer Nb-doped zirconium diselenide (2D Nb-ZrSe2) toward ORR by employing the dispersion corrected density functional theory (DFT-D) method. Through our study, we computed structural properties, electronic properties, and energetics of the 2D Nb-ZrSe2 and ORR intermediates to analyze the electrocatalytic performance of 2D Nb-ZrSe2. The electronic property calculations depict that the 2D monolayer ZrSe2 has a large band gap of 1.48 eV, which is not favorable for the ORR mechanism. After the doping of Nb, the electronic band gap vanishes, and 2D Nb-ZrSe2 acts as a conductor. We studied both the dissociative and the associative pathways through which the ORR can proceed to reduce the oxygen molecule (O2). Our results show that the more favorable path for O2 reduction on the surface of the 2D Nb-ZrSe2 is the 4e- associative path. The detailed ORR mechanisms (both associated and dissociative) have been explored by computing the changes in Gibbs free energy (ΔG). All of the ORR reaction intermediate steps are thermodynamically stable and energetically favorable. The free energy profile for the associative path shows the downhill behavior of the free energy vs the reaction steps, suggesting that all ORR intermediate structures are catalytically active for the 4e- associative path and a high 4e- reduction pathway selectivity. Therefore, 2D Nb-ZrSe2 is a promising catalyst for the ORR, which can be used as an alternative ORR catalyst compared to expensive platinum (Pt).
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Affiliation(s)
- Ashok Singh
- Theoretical
Condensed Matter Physics and Advanced Computational Materials Science
Laboratory, Department of Physics, Indian
Institute of Technology Indore (IIT Indore), Simrol, Khandwa Road, Indore-453552, Madhya Pradesh India
| | - Srimanta Pakhira
- Theoretical
Condensed Matter Physics and Advanced Computational Materials Science
Laboratory, Department of Physics, Indian
Institute of Technology Indore (IIT Indore), Simrol, Khandwa Road, Indore-453552, Madhya Pradesh India
- Theoretical
Condensed Matter Physics and Advanced Computational Materials Science
Laboratory, Centre for Advanced Electronics (CAE), Indian Institute of Technology Indore (IIT Indore), Simrol, Khandwa Road, Indore-453552, Madhya Pradesh India
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Yomogida Y, Nagano M, Liu Z, Ueji K, Rahman MA, Ahad A, Ihara A, Nishidome H, Yagi T, Nakanishi Y, Miyata Y, Yanagi K. Semiconducting Transition Metal Dichalcogenide Heteronanotubes with Controlled Outer-Wall Structures. NANO LETTERS 2023; 23:10103-10109. [PMID: 37843011 DOI: 10.1021/acs.nanolett.3c01761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Transition metal dichalcogenide (TMDC) nanotubes exhibit unique physical properties due to their nanotube structures. The development of techniques for synthesizing TMDC nanotubes with controlled structures is very important for their science and applications. However, structural control efforts have been made only for the homostructures of TMDC nanotubes and not for their heterostructures that provide an important platform for their two-dimensional counterparts. In this study, we synthesized heterostructures of TMDC nanotubes, MoS2/WS2 heteronanotubes, and demonstrated a technique for controlling features of their structures, such as diameters, layer numbers, and crystallinity. The diameter of the heteronanotubes could be tuned with inner nanotube templates and was reduced by using small-diameter WS2 nanotubes. The layer number and crystallinity of the MoS2 outer wall could be controlled by controlling their precursors and synthesis temperatures, resulting in the formation of high-crystallinity TMDC heteronanotubes with specific chirality. This study can expand the research of van der Waals heterostructures.
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Affiliation(s)
- Yohei Yomogida
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Mai Nagano
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Zheng Liu
- National Institute of Advanced Industrial Science and Technology (AIST), Nagoya, Aichi 463-8560, Japan
| | - Kan Ueji
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Md Ashiqur Rahman
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
- Department of Physics, Comilla University, Cumilla 3506, Bangladesh
| | - Abdul Ahad
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
- Department of Physics, Comilla University, Cumilla 3506, Bangladesh
| | - Akane Ihara
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Hiroyuki Nishidome
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Takashi Yagi
- National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8563, Japan
| | - Yusuke Nakanishi
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Yasumitsu Miyata
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Kazuhiro Yanagi
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
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Rahman MA, Yomogida Y, Ahad A, Ueji K, Nagano M, Ihara A, Nishidome H, Omoto M, Saito S, Miyata Y, Gao Y, Okada S, Yanagi K. Synthesis and optical properties of WS 2 nanotubes with relatively small diameters. Sci Rep 2023; 13:16959. [PMID: 37807007 PMCID: PMC10560667 DOI: 10.1038/s41598-023-44072-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023] Open
Abstract
Tungsten disulfide (WS2) nanotubes exhibit various unique properties depending on their structures, such as their diameter and wall number. The development of techniques to prepare WS2 nanotubes with the desired structure is crucial for understanding their basic properties. Notably, the synthesis and characterization of multi-walled WS2 nanotubes with small diameters are challenging. This study reports the synthesis and characterization of small-diameter WS2 nanotubes with an average inner diameter of 6 nm. The optical absorption and photoluminescence (PL) spectra of the as-prepared nanotubes indicate that a decrease in the nanotube diameter induces a red-shift in the PL, suggesting that the band gap narrowed due to a curvature effect, as suggested by theoretical calculations.
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Affiliation(s)
- Md Ashiqur Rahman
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
- Department of Physics, Comilla University, Cumilla, 3506, Bangladesh
| | - Yohei Yomogida
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan.
| | - Abdul Ahad
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
- Department of Physics, Comilla University, Cumilla, 3506, Bangladesh
| | - Kan Ueji
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Mai Nagano
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Akane Ihara
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Hiroyuki Nishidome
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Mikito Omoto
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Shigeki Saito
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Yasumitsu Miyata
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Yanlin Gao
- Department of Physics, Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, 305-8571, Japan
| | - Susumu Okada
- Department of Physics, Graduate School of Science and Technology, University of Tsukuba, Tsukuba, Ibaraki, 305-8571, Japan
| | - Kazuhiro Yanagi
- Department of Physics, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan.
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Domnin AV, Mikhailov IE, Evarestov RA. DFT Study of WS 2-Based Nanotubes Electronic Properties under Torsion Deformations. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2699. [PMID: 37836340 PMCID: PMC10574366 DOI: 10.3390/nano13192699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/01/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023]
Abstract
In this study, the influence of torsional deformations on the properties of chiral WS2-based nanotubes was investigated. All calculations presented in this study were performed using the density functional theory (DFT) and atomic gaussian type orbitals basis set. Nanotubes with chirality indices (8, 2), (12, 3), (24, 6) and (36, 9) corresponding to diameters of 10.68 Å, 14.90 Å, 28.26 Å and 41.90 Å, respectively, are examined. Our results reveal that for nanotubes with smaller diameters, the structure obtained through rolling from a slab is not optimal and undergoes spontaneous deformation. Furthermore, this study demonstrates that the nanotube torsion deformation leads to a reduction in the band gap. This observation suggests the potential for utilizing such torsional deformations to enhance the photocatalytic activity of the nanotubes.
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Affiliation(s)
- Anton V. Domnin
- Quantum Chemistry Department, St. Petersburg State University, 7/9 Universitetskaya nab., 199034 St. Petersburg, Russia; (I.E.M.); (R.A.E.)
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Dey S, Manjunath K, Zak A, Singh G. WS 2 Nanotube-Embedded SiOC Fibermat Electrodes for Sodium-Ion Batteries. ACS OMEGA 2023; 8:10126-10138. [PMID: 36969449 PMCID: PMC10035010 DOI: 10.1021/acsomega.2c07464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
Layered transition metal dichalcogenides (TMDs) such as tungsten disulfide (WS2) are promising materials for a wide range of applications, including charge storage in batteries and supercapacitors. Nevertheless, TMD-based electrodes suffer from bottlenecks such as capacity fading at high current densities, voltage hysteresis during the conversion reaction, and polysulfide dissolution. To tame such adverse phenomena, we fabricate composites with WS2 nanotubes. Herein, we report on the superior electrochemical performance of ceramic composite fibers comprising WS2 nanotubes (WS2NTs) embedded in a chemically robust molecular polymer-derived ceramic matrix of silicon-oxycarbide (SiOC). Such a heterogeneous fiber structure was obtained via electrospinning of WS2NT/preceramic polymer solution followed by pyrolysis at elevated temperatures. The electrode capacity fading in WS2NTs was curbed by the synergistic effect between WS2NT and SiOC. As a result, the composite electrode exhibits high initial capacity of 454 mAh g-1 and the capacity retention approximately 2-3 times higher than that of the neat WS2NT electrode.
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Affiliation(s)
- Sonjoy Dey
- Department
of Mechanical and Nuclear Engineering, Kansas
State University, Manhattan, Kansas 66506, United States
| | | | - Alla Zak
- Faculty
of Sciences, Holon Institute of Technology, Holon 5810201, Israel
| | - Gurpreet Singh
- Department
of Mechanical and Nuclear Engineering, Kansas
State University, Manhattan, Kansas 66506, United States
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Humayun M, Wang C, Luo W. Recent Progress in the Synthesis and Applications of Composite Photocatalysts: A Critical Review. SMALL METHODS 2022; 6:e2101395. [PMID: 35174987 DOI: 10.1002/smtd.202101395] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Indexed: 06/14/2023]
Abstract
Photocatalysis is an advanced technique that transforms solar energy into sustainable fuels and oxidizes pollutants via the aid of semiconductor photocatalysts. The main scientific and technological challenges for effective photocatalysis are the stability, robustness, and efficiency of semiconductor photocatalysts. For practical applications, researchers are trying to develop highly efficient and stable photocatalysts. Since the literature is highly scattered, it is urgent to write a critical review that summarizes the state-of-the-art progress in the design of a variety of semiconductor composite photocatalysts for energy and environmental applications. Herein, a comprehensive review is presented that summarizes an overview, history, mechanism, advantages, and challenges of semiconductor photocatalysis. Further, the recent advancements in the design of heterostructure photocatalysts including alloy quantum dots based composites, carbon based composites including carbon nanotubes, carbon quantum dots, graphitic carbon nitride, and graphene, covalent-organic frameworks based composites, metal based composites including metal carbides, metal halide perovskites, metal nitrides, metal oxides, metal phosphides, and metal sulfides, metal-organic frameworks based composites, plasmonic materials based composites and single atom based composites for CO2 conversion, H2 evolution, and pollutants oxidation are discussed elaborately. Finally, perspectives for further improvement in the design of composite materials for efficient photocatalysis are provided.
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Affiliation(s)
- Muhammad Humayun
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Chundong Wang
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Wei Luo
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Engineering Research Center for Functional Ceramics of the Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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Abstract
The energy from fossil fuels has been recognized as a main factor of global warming and environmental pollution. Therefore, there is an urgent need to replace fossil fuels with clean, cost-effective, long-lasting, and environmentally friendly fuel to solve the future energy crisis of the world. Therefore, the development of clean, sustainable, and renewable energy sources is a prime concern. In this regard, solar energy-driven hydrogen production is considered as an overriding opening for renewable and green energy by virtue of its high energy efficiency, high energy density, and non-toxicity along with zero emissions. Water splitting is a promising technology for producing hydrogen, which represents a potentially and environmentally clean fuel. Water splitting is a widely known process for hydrogen production using different techniques and materials. Among different techniques of water splitting, electrocatalytic and photocatalytic water splitting using semiconductor materials have been considered as the most scalable and cost-effective approaches for the commercial production of sustainable hydrogen. In order to achieve a high yield of hydrogen from these processes, obtaining a suitable, efficient, and stable catalyst is a significant factor. Among the different types of semiconductor catalysts, tungsten disulfide (WS2) has been widely utilized as a catalytic active material for the water-splitting process, owing to its layered 2D structure and its interesting chemical, physical, and structural properties. However, WS2 suffers from some disadvantages that limit its performance in catalytic water splitting. Among the various techniques and strategies that have been constructed to overcome the limitations of WS2 is heterostructure construction. In this process, WS2 is coupled with another semiconducting material in order to facilitate the charge transfer and prevent the charge recombination, which will enhance the catalytic performance. This review aims to summarize the recent studies and findings on WS2 and its heterostructures as a catalyst in the electrocatalytic and photocatalytic water-splitting processes.
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D’yachkov EP, D’yachkov PN. Electronic Structure of WS2 Nanotubes—Potential Catalysts of Water Photolysis. RUSS J INORG CHEM+ 2019. [DOI: 10.1134/s0036023619090080] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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