Relevant bibliographies by topics / Ternary 2D-layered materials

Academic literature on the topic 'Ternary 2D-layered materials'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Ternary 2D-layered materials"

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Khazaei, Mohammad, Junjie Wang, Mehdi Estili, Ahmad Ranjbar, Shigeru Suehara, Masao Arai, Keivan Esfarjani, and Seiji Yunoki. "Novel MAB phases and insights into their exfoliation into 2D MBenes." Nanoscale 11, no. 23 (2019): 11305–14. http://dx.doi.org/10.1039/c9nr01267b.

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Considering the recent breakthroughs in the synthesis of novel two-dimensional (2D) materials from layered bulk structures, ternary layered transition metal borides, known as MAB phases, have come under scrutiny as a means of obtaining novel 2D transition metal borides, the so-called MBenes.
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Khaledialidusti, Rasoul, Mohammad Khazaei, Somayeh Khazaei, and Kaoru Ohno. "High-throughput computational discovery of ternary-layered MAX phases and prediction of their exfoliation for formation of 2D MXenes." Nanoscale 13, no. 15 (2021): 7294–307. http://dx.doi.org/10.1039/d0nr08791b.

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The rush to synthesize novel two-dimensional (2D) materials has excited the research community studying ternary-layered carbide and nitride compounds, known as MAX phases, for the past two decades in the quest to develop new 2D material precursors.
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Lin, Der-Yuh, Hung-Pin Hsu, Cheng-Wen Wang, Shang-Wei Chen, Yu-Tai Shih, Sheng-Beng Hwang, and Piotr Sitarek. "Temperature-Dependent Absorption of Ternary HfS2−xSex 2D Layered Semiconductors." Materials 15, no. 18 (September 11, 2022): 6304. http://dx.doi.org/10.3390/ma15186304.

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In this study, we present the investigation of optical properties on a series of HfS2−xSex crystals with different Se compositions x changing from 0 to 2. We used the chemical-vapor transport method to grow these layered ternary compound semiconductors in bulk form. Their lattice constants and crystal properties were characterized by X-ray diffraction, high-resolution transmission electron microscopy, and Raman spectroscopy. We have performed absorption spectroscopies to determine their optical band-gap energies, which started from 2.012 eV with x = 0, and gradually shifts to 1.219 eV for x = 2. Furthermore, we measured the absorption spectroscopies at different temperatures in the range of 20–300 K to identify the temperature dependence of band-gap energies. The band-gap energies of HfS2−xSex were determined from the linear extrapolation method. We have noticed that the band-gap energy may be continuously tuned to the required energy by manipulating the ratio of S and Se. The parameters that describe the temperature influence on the band-gap energy are evaluated and discussed.
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Xu, Tengfei, Man Luo, Niming Shen, Yiye Yu, Zhen Wang, Zhuangzhuang Cui, Jiayi Qin, et al. "Ternary 2D Layered Material FePSe 3 and Near‐Infrared Photodetector." Advanced Electronic Materials 7, no. 8 (May 31, 2021): 2100207. http://dx.doi.org/10.1002/aelm.202100207.

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Liu, Guiheng, Jianwei Su, Xin Feng, Huiqiao Li, and Tianyou Zhai. "Synthesis of 2D ternary layered manganese phosphorous trichalcogenides towards ultraviolet photodetection." Science China Materials 64, no. 9 (April 1, 2021): 2251–60. http://dx.doi.org/10.1007/s40843-020-1616-4.

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Wang, Hongyun, Heow Pueh Lee, and Wei Xu. "Bandgap Properties of Two-Layered Locally Resonant Phononic Crystals." International Journal of Applied Mechanics 12, no. 07 (August 2020): 2050075. http://dx.doi.org/10.1142/s1758825120500751.

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Multi-layered locally resonant phononic crystals (LRPCs) with wider and multiple bandgaps (BGs) in low frequency range and small size of the unit cell have promising applications in noise and vibration controls. In this paper, a 2D two-layered ternary LRPC consisting of a periodical array of cylindrical inclusions embedded in an epoxy matrix is investigated by the finite element method (FEM), where the inclusion is comprised of two coaxial cylindrical steel cores with rubber coating. It is found that the size of the inclusion of the 2D two-layered ternary LRPC has significant effects on the BG properties. With the increase of the core radius and coating thickness, the first BG would shift to lower frequency range with its width decreasing, and the second BG width would become wider until the third BG appears. Especially, with the increase of the coating thickness, more bands and BGs would appear in the lower frequency range. Based on the formation mechanisms of the BGs, several mass-spring models to predict the frequencies of the first two BG edges are developed. The results calculated by these mass-spring models are in good agreement with those by the FEM except for the upper edge frequency of the second BG when the rubber coating thickness exceeds a certain value and the third BG is opened up. These proposed mass-spring models would allow for quick pre-estimation of the resonance frequencies, and facilitate the selection of possible parameters for the wider and lower frequency BGs to obtain the desired attenuation bands. The studies would also benefit the design of multiple BGs for some device applications.
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Sun, Xiaoli, Yuanyuan Wang, Bingzheng Yan, Kejian Yang, Wei Wei, Ying Dai, Feng Chen, Baitao Zhang, and Jingliang He. "Stoichiometric modulation on optical nonlinearity of 2D MoS x Se2−x alloys for photonic applications." Nanophotonics 10, no. 18 (October 28, 2021): 4623–35. http://dx.doi.org/10.1515/nanoph-2021-0474.

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Abstract The composition-engineered band structures of two-dimensional (2D) ternary transition-metal dichalcogenides (TMDCs) semiconductor alloys directly dominate their electronic and optical properties. Herein, in this paper, a detailed theoretical and experimental study on the composition-dependent nonlinear optical properties of 2D MoS x Se2−x alloys was carried out. The first-principles calculations were performed to investigate the compositionally modulated properties of monolayer 2D MoS x Se2−x (x = 0.25, 0.5, 1.0, 1.5, and 1.75) in terms of the carrier effective mass, carrier density and mobility, as well as band-gaps. Furthermore, high-quality few-layered MoS x Se2−x (x = 0.2, 0.5, 1.0, 1.5, and 1.8) nanosheets were fabricated by using liquid phase exfoliation method. The third-order nonlinear optical response was investigated by open-aperture Z-scan technique, revealing composition-dependent saturable absorption, and light modulation properties, which were correlated to the theoretical calculations and further confirmed by using MoS x Se2−x nanosheets as saturable absorbers (SAs) for all-solid-state pulsed lasers. In particular, a mode-locked solid-state laser with pulse width of 227 fs was realized with MoS0.2Se1.8 as SA, for the first time to our best knowledge. Our work not only provides a comprehensive understanding of the compositionally and defectively modulated nonlinear optical responses of ternary TMDCs alloys, but also paves a way for the development of 2D materials-based novel optoelectronic devices.
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Saber, Osama, Sajid Ali Ansari, Aya Osama, and Mostafa Osama. "One-Dimensional Nanoscale Si/Co Based on Layered Double Hydroxides towards Electrochemical Supercapacitor Electrodes." Nanomaterials 12, no. 9 (April 20, 2022): 1404. http://dx.doi.org/10.3390/nano12091404.

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It is well known that layered double hydroxides (LDHs) are two-dimensional (2D) layered compounds. However, we modified these 2D layered compounds to become one-dimensional (1D) nanostructures destined for high-performance supercapacitors applications. In this direction, silicon was inserted inside the nanolayers of Co-LDHs producing nanofibers of Si/Co LDHs through the intercalation of cyanate anions as pillars for building nanolayered structures. Additionally, nanoparticles were observed by controlling the preparation conditions and the silicon percentage. Scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy and thermal analyses have been used to characterize the nanolayered structures of Si/Co LDHs. The electrochemical characterization was performed by cyclic voltammetry and galvanic charge–discharge technique in 2M KOH electrolyte solution using three-electrode cell system. The calculated specific capacitance results indicated that the change of morphology from nanoparticles or plates to nanofibers had a positive effect for improving the performance of specific capacitance of Si/Co LDHs. The specific capacitance enhanced to be 621.5 F g−1 in the case of the nanofiber of Si/Co LDHs. Similarly, the excellent cyclic stability (84.5%) was observed for the nanofiber. These results were explained through the attribute of the nanofibrous morphology and synergistic effects between the electric double layer capacitive character of the silicon and the pseudo capacitance nature of the cobalt. The high capacitance of ternary Si/Co/cyanate LDHs nanocomposites was suggested to be used as active electrode materials for high-performance supercapacitors applications.
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Jin, Zhiliang, Xiangyi Wang, Xuqiang Hao, Guorong Wang, Xin Guo, and Kai Wang. "Graphdiyne based GDY/CuI/NiO parallel double S-scheme heterojunction for efficient photocatalytic hydrogen evolution." 2D Materials 9, no. 2 (February 25, 2022): 025014. http://dx.doi.org/10.1088/2053-1583/ac5462.

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Abstract As a new kind of two-dimensional (2D) layered carbon allotrope, graphdiyne (GDY) is rarely studied in the application field of photocatalytic hydrogen production. In addition, the efficient construction of photocatalyst heterostructure is a promising strategy to improve the yield of hydrogen production from photocatalytic split of water. Therefore, it is an excellent method to construct heterostructure photocatalytic system by introducing GDY into semiconductor photocatalytic materials. Herein, it is an excellent method to construct heterostructure photocatalytic system by introducing the cuprous iodide based 2D layered carbon allotrope (GDY) into metallic oxide semiconductor (NiO). Thus, a ternary hybrid photocatalyst (GDY/CuI/NiO) was prepared by in situ ultrasonic agitation method. X-ray diffraction, SEM, transmission electron microscope and x-ray photoelectron spectroscopy results showed that NiO nanosheets were successfully adsorbed by GDY/CuI. In addition, the composite catalyst (GDY/CuI/NiO) showed excellent photocatalytic performance, which performed a high hydrogen production activity of 5955 μmol g−1 and good stability in the 20 h hydrogen production experiment. Amorphous GDY provides more active sites for the process of hydrogen evolution in this photocatalytic system. Most importantly, the construction of S-scheme heterojunction promotes electron transfer and plays an important role in enhancing the hydrogen production activity. These findings provide new ideas for realizing efficient solar hydrogen production system.
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Zhao, Qiannan, Jianfeng Zhu, Xiao Lu, Wenjing Zhou, and Xuelin Li. "One-pot hydrothermal synthesis of MoO3/TiO2/2D layered Ti3C2Tx ternary composites to enhance the electrochemical properties." Journal of Alloys and Compounds 767 (October 2018): 264–69. http://dx.doi.org/10.1016/j.jallcom.2018.06.191.

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Dissertations / Theses on the topic "Ternary 2D-layered materials"

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kumar, Rajat. "Studies on Layered Ternary Metal Chalcogenides: Electronic devices, Sensors and Electrocatalysis." Thesis, 2020. https://etd.iisc.ac.in/handle/2005/4931.

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Atomically thin two-dimensional (2D) materials have gained tremendous interest since the discovery of graphene in 2004 due to their unique physical and chemical properties. They have been used in various research fields like catalysis, electronic devices, sensors, photonics, spintronics, valleytronics, energy conversion and storage devices. Research work on 2D materials have been focused on mostly single element systems such as graphene, phosphorene, and binary systems such as MoS2, WS2. Exploration of other 2D materials with novel properties are essential for various studies. Ternary 2D materials have attracted attention recently due to the degrees of freedom provided by extra element that gives rise to tunability in physical properties via composition variation leading to fascinating electronic, optoelectronic, sensing and electrocatalytic properties. In this direction, the present thesis explores the multi-functional aspects of new ternary 2D-layered materials based on metal phosphochalcogenides (MnPX3, X: S, Se) and transition metal mixed chalcogenides (MoSe2(1-x)Te2x).
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