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Shen H, Yang R, Xie K, Yu Z, Zheng Y, Zhang R, Chen L, Wu BR, Su WS, Wang S. Electronic and optical properties of hydrogen-terminated biphenylene nanoribbons: a first-principles study. Phys Chem Chem Phys 2021; 24:357-365. [PMID: 34889935 DOI: 10.1039/d1cp04481h] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The electronic structures and optical properties of novel 2D biphenylene and hydrogen-terminated nanoribbons of different widths which are cut from a layer of biphenylene were explored via first-principles calculations. The findings of phonon computations demonstrate that such a biphenylene is dynamically stable and shows metallic properties. The crystal orbital Hamilton population analysis indicates that the tetra-ring local structure results in anisotropic mechanical properties. For 1D nanoribbons, their band gaps shrink, and a direct-indirect transition occurs in the band gap as the width increases, transforming the nanoribbon to endow them with metallic characteristics at a certain width. This is attributed to the weak coupling between the tetra-ring atoms, shrinking the direct band gap at the Y point in the Brillouin zone. Finally, the contribution of interband transitions to the dielectric function in 6-, 9-, and 12-armchair biphenylene nanoribbons (ABNRs) was identified. The lowest peak in the imaginary part of the dielectric function ε2 spectrum was mainly a contribution of a Γ-Γ transition. As the width of ABNR increases, the transitions in the x direction become stronger while the transition strength in the y direction is not significantly altered. This investigation extends the understanding of the electronic and optical properties of 2D biphenylene and 1D nanoribbons, which will benefit the practical applications of these materials in optoelectronics and electronics.
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Affiliation(s)
- Hong Shen
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Riyi Yang
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Kun Xie
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Zhiyuan Yu
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Yuxiang Zheng
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Rongjun Zhang
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Liangyao Chen
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China.
| | - Bi-Ru Wu
- Division of Natural Science, Center for General Education, Chang Gung University, Tao-Yuan 33302, Taiwan
| | - Wan-Sheng Su
- National Taiwan Science Education Center, Taipei 11165, Taiwan. .,Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Songyou Wang
- Shanghai Ultra-Precision Optical Manufacturing Engineering Center, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China. .,Key Laboratory for Information Science of Electromagnetic Waves (MoE), Shanghai 200433, China.,Yiwu Research Institution of Fudan University, Yiwu 322000, China
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52
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Yang X, Wärnå JP, Wang J, Zhang P, Luo W, Ahuja R. Enhanced overall water splitting under visible light of MoSSe∣WSSe heterojunction by lateral interfacial engineering. J Catal 2021. [DOI: 10.1016/j.jcat.2021.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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53
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Mohammadi MD, Abdullah HY. DFT Study for Adsorbing of Bromine Monochloride onto BNNT (5,5), BNNT (7,0), BC 2NNT (5,5), and BC 2NNT (7,0). JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2021. [DOI: 10.1142/s2737416521500472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The study of intermolecular interactions is of great importance. This study attempted to quantitatively examine the interactions between bromine monochloride (BrCl) with pristine boron nitride nanotube (BNNT) armchair (5,5) and zigzag (7,0) as well as armchair (5,5) BC2NNT and zigzag (7,0) BC2NNT in vacuum. Quantum mechanical studies of such systems are possible in the density functional theory (DFT) framework. For this purpose, various functionals, such as B3LYP-D3, [Formula: see text]B97XD, and M062X, have been used. One of the most suitable basis functionals for the systems studied in this research is 6-311G (d), which has been used in both optimization calculations and calculations related to wave function analyses. The main part of this work is the study of various analyses that reveal the nature of the intermolecular interactions between the two components introduced above. The results of conceptual DFT, natural bond orbital, non-covalent interactions, and quantum theory of atoms in molecules (QTAIM) were consistent and in favor of physical adsorption in all systems. Gallium had more adsorption energy than other dopants. The HOMO–LUMO energy gaps were as follows: BNNT (5,5): 10.296, BNNT (7,0): 9.015, BC2NNT (5,5): 7.022, and BC2NNT (7,0): 5.979[Formula: see text]eV at B3LYP-D3/6-311G (d) model chemistry. The strongest interaction is related to the BC2NNT (7,0)/BrCl cluster: [Formula: see text][Formula: see text]eV. The results of QTAIM and NCI analysis identified the intermolecular interactions of the type of strong van der Waals interaction for these nanotubes. The sensitivity of the adsorption increased when a gas molecule interacted with carbon-doped BNNT, and the change in the frontier orbital gap could be used to design nanosensors to detect BrCl gas.
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Affiliation(s)
| | - Hewa Y. Abdullah
- Physics Education Department, Faculty of Education, Tishk International University, Erbil 44001, Kurdistan Region, Iraq
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54
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Roy S, Zhang X, Puthirath AB, Meiyazhagan A, Bhattacharyya S, Rahman MM, Babu G, Susarla S, Saju SK, Tran MK, Sassi LM, Saadi MASR, Lai J, Sahin O, Sajadi SM, Dharmarajan B, Salpekar D, Chakingal N, Baburaj A, Shuai X, Adumbumkulath A, Miller KA, Gayle JM, Ajnsztajn A, Prasankumar T, Harikrishnan VVJ, Ojha V, Kannan H, Khater AZ, Zhu Z, Iyengar SA, Autreto PADS, Oliveira EF, Gao G, Birdwell AG, Neupane MR, Ivanov TG, Taha-Tijerina J, Yadav RM, Arepalli S, Vajtai R, Ajayan PM. Structure, Properties and Applications of Two-Dimensional Hexagonal Boron Nitride. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2101589. [PMID: 34561916 DOI: 10.1002/adma.202101589] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/24/2021] [Indexed: 05/09/2023]
Abstract
Hexagonal boron nitride (h-BN) has emerged as a strong candidate for two-dimensional (2D) material owing to its exciting optoelectrical properties combined with mechanical robustness, thermal stability, and chemical inertness. Super-thin h-BN layers have gained significant attention from the scientific community for many applications, including nanoelectronics, photonics, biomedical, anti-corrosion, and catalysis, among others. This review provides a systematic elaboration of the structural, electrical, mechanical, optical, and thermal properties of h-BN followed by a comprehensive account of state-of-the-art synthesis strategies for 2D h-BN, including chemical exfoliation, chemical, and physical vapor deposition, and other methods that have been successfully developed in recent years. It further elaborates a wide variety of processing routes developed for doping, substitution, functionalization, and combination with other materials to form heterostructures. Based on the extraordinary properties and thermal-mechanical-chemical stability of 2D h-BN, various potential applications of these structures are described.
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Affiliation(s)
- Soumyabrata Roy
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Xiang Zhang
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Anand B Puthirath
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Ashokkumar Meiyazhagan
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Sohini Bhattacharyya
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Muhammad M Rahman
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Ganguli Babu
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Sandhya Susarla
- Materials Science Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, Berkeley, CA, 94720, USA
| | - Sreehari K Saju
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Mai Kim Tran
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Lucas M Sassi
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - M A S R Saadi
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Jiawei Lai
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Onur Sahin
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Seyed Mohammad Sajadi
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Bhuvaneswari Dharmarajan
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Devashish Salpekar
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Nithya Chakingal
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Abhijit Baburaj
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Xinting Shuai
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Aparna Adumbumkulath
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Kristen A Miller
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Jessica M Gayle
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Alec Ajnsztajn
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Thibeorchews Prasankumar
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | | | - Ved Ojha
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Harikishan Kannan
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Ali Zein Khater
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Zhenwei Zhu
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Sathvik Ajay Iyengar
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Pedro Alves da Silva Autreto
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
- Center for Natural and Human Sciences, Federal University of ABC (UFABC), Av. Dos Estados, 5001-Bangú, Santo André - SP, Santo André, 09210-580, Brazil
| | - Eliezer Fernando Oliveira
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
- Applied Physics Department, State University of Campinas - UNICAMP, Campinas, São Paulo, 13083-859, Brazil
- Center for Computational Engineering and Sciences (CCES), State University of Campinas - UNICAMP, Campinas, São Paulo, 13083-859, Brazil
| | - Guanhui Gao
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - A Glen Birdwell
- Combat Capabilities Development Command, U.S. Army Research Laboratory, 2800 Powder Mill Road, Adelphi, MD, 20783, USA
| | - Mahesh R Neupane
- Combat Capabilities Development Command, U.S. Army Research Laboratory, 2800 Powder Mill Road, Adelphi, MD, 20783, USA
| | - Tony G Ivanov
- Combat Capabilities Development Command, U.S. Army Research Laboratory, 2800 Powder Mill Road, Adelphi, MD, 20783, USA
| | - Jaime Taha-Tijerina
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
- Engineering Department, Universidad de Monterrey, Av. Ignacio Morones Prieto 4500 Pte., San Pedro Garza Garcí, Monterrey, Nuevo Leon, 66238, Mexico
- Department of Manufacturing and Industrial Engineering, University of Texas Rio Grande Valley, Brownsville, TX, 78520, USA
| | - Ram Manohar Yadav
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
- Department of Physics, VSSD College, Kanpur, Uttar Pradesh, 208002, India
| | - Sivaram Arepalli
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Robert Vajtai
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
| | - Pulickel M Ajayan
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX, 77005, USA
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55
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Queiroz SM, Medeiros FS, de Vasconcelos CKB, Silva GG. H-BN nanosheets obtained by mechanochemical processes and its application in lamellar hybrid with graphene oxide. NANOTECHNOLOGY 2021; 33:035714. [PMID: 34433140 DOI: 10.1088/1361-6528/ac20ff] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/25/2021] [Indexed: 06/13/2023]
Abstract
Nowadays, hexagonal boron nitride nanosheets (h-BNNS) have shown promising results among 2D nanomaterials. A great effort has been made in recent years to obtain h-BNNS with a high-yield process to enable its large-scale application in industrial plants. In this work, we developed a mechanochemical method for obtaining h-BN nanosheets assisted by NaOH aqueous solution as process aid and aimed the ideal balance between yield, quality and process sustainability. Images obtained by transmission electron microscope suggested a great exfoliation of the h-BNNS in the range of 12-38 layers observed for well dispersed nanosheets. The macroscopic stability study, the polydispersity index, hydrodynamic diameter, and Zeta potential measurements suggested that material prepared in autoclave and ball milling followed by tip sonication process at 40 °C (h-BNNS-T40) could be considered the most promising material. The process used in this case reached a yield of about 37% of nanosheets with an optimal balance between quality and practicality. A hybrid lamellar material was also prepared by drop-casting and dip-coating techniques. An increase on thermal stability in oxidizing atmosphere was observed with respect to the pure graphene oxide (GO). Fourier transformation infrared spectroscopy and RAMAN suggested the presence of chemical interactions between h-BNNS and GO in the hybrid. This fact supports the interest of extending the study of this hybrid (which has an easy preparation method) to further explore its applicability.
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Affiliation(s)
- Sara M Queiroz
- CTNano, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
- Department of Chemistry, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
| | - Felipe S Medeiros
- CTNano, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
- Department of Chemistry, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
| | - Cláudia K B de Vasconcelos
- CTNano, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
- Department of Chemistry, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
- Department of Physics and Chemistry, Pontifical Catholic University of Minas Gerais, PO Box 1686, 30535-901 Belo Horizonte, MG, Brazil
| | - Glaura G Silva
- CTNano, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
- Department of Chemistry, Universidade Federal de Minas Gerais, PO Box 1294, ZIP 30.270-901, Belo Horizonte, MG, Brazil
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56
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Non-covalent interactions of cysteine onto C 60, C 59Si, and C 59Ge: a DFT study. J Mol Model 2021; 27:330. [PMID: 34709483 DOI: 10.1007/s00894-021-04960-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/20/2021] [Indexed: 10/20/2022]
Abstract
The study of intermolecular interactions is of great importance. This study attempted to quantitatively examine the interactions between cysteine (C3H7NO2S) and fullerene nanocages, C60, in vacuum. As the frequent introduction of elements as impurities into the structure of nanomaterials can increase the intensity of intermolecular interactions, nanocages doped with silicon and germanium have also been studied as adsorbents, C59Si and C59Ge. Quantum mechanical studies of such systems are possible in the density functional theory (DFT) framework. For this purpose, various functionals, such as B3LYP-D3, ωB97XD, and M062X, have been used. One of the most suitable basis functionals for the systems studied in this research is 6-311G (d), which has been used in both optimization calculations and calculations related to wave function analyses. The main part of this work is the study of various analyses that reveal the nature of the intermolecular interactions between the two components introduced above. The results of conceptual DFT, natural bond orbital, non-covalent interactions, and quantum theory of atoms in molecules were consistent and in favor of physical adsorption in all systems. Germanium had more adsorption energy than other dopants. The HOMO-LUMO energy gaps were as follows: C60: 5.996, C59Si: 5.309, and C59Ge: 5.188 eV at B3LYP-D3/6-311 G (d) model chemistry. The sensitivity of the adsorption increased when an amino acid molecule interacted with doped C60, and this capability could be used to design nanocarrier to carry cysteine amino acid.
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57
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Ab initio investigation for the adsorption of acrolein onto the surface of C60, C59Si, and C59Ge: NBO, QTAIM, and NCI analyses. Struct Chem 2021. [DOI: 10.1007/s11224-021-01847-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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58
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Liu Z, Wang J, Zhang K, Gao X, Liu P, Li Q, Zhang L, Fan S, Kong J, Jiang K. Toward an Intelligent Synthesis: Monitoring and Intervening in the Catalytic Growth of Carbon Nanotubes. J Am Chem Soc 2021; 143:17607-17614. [PMID: 34652140 DOI: 10.1021/jacs.1c07598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The bottom-up approach to directly synthesizing low-dimensional materials with outstanding performance has extended the material basis for the next generation integrated circuit industry. All the low-dimensional semiconductors, metals, dielectrics, and their heterojunctions are very promising bricks to build faster and more efficient chips because of their atomically smooth surface and interfaces. The greatest challenge in the synthesis of nanomaterials is how to precisely control the structure, crystalline orientation, defects, dimensions, etc. In past decades, both the methodology and the mechanism of synthesis have been systematically investigated to improve the controllability. However, few studies focused on sensing the synthesis processes in situ and responding to the synthesis immediately. Here, we propose the concept of intelligent synthesis in which the final product can be automatically fine-controlled by a closed loop including in situ monitoring and real-time interventions. As a model system, a high-temperature-tolerant circuit is fabricated on the single-walled carbon nanotube (SWCNT) growth substrate for sensing and responding to the synthesis processes. As a result, either highly pure semiconducting (s-) SWCNT arrays or metallic-semiconducting (m-s) junction arrays with different junction positions is simply synthesized by programming the responding signal. The intelligent synthesis shows much higher efficiency and controllability compared to conventional methods and will lead to the next leap in nanotechnology.
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Affiliation(s)
- Zebin Liu
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
| | - Jiangtao Wang
- Department of Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge 02139, United States
| | - Ke Zhang
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
| | - Xinyu Gao
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
| | - Peng Liu
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
| | - Qunqing Li
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China.,Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
| | - Lina Zhang
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
| | - Shoushan Fan
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China.,Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
| | - Jing Kong
- Department of Electrical Engineering & Computer Science, Massachusetts Institute of Technology, Cambridge 02139, United States
| | - Kaili Jiang
- State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China.,Collaborative Innovation Center of Quantum Matter, Beijing 100084, China.,Beijing Advanced Innovation Center for Future Chips (ICFC), Beijing 100084, China
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59
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Fan Q, Gao Y, Mazur F, Chandrawati R. Nanoparticle-based colorimetric sensors to detect neurodegenerative disease biomarkers. Biomater Sci 2021; 9:6983-7007. [PMID: 34528639 DOI: 10.1039/d1bm01226f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Neurodegenerative disorders (NDDs) are progressive, incurable health conditions that primarily affect brain cells, and result in loss of brain mass and impaired function. Current sensing technologies for NDD detection are limited by high cost, long sample preparation, and/or require skilled personnel. To overcome these limitations, optical sensors, specifically colorimetric sensors, have garnered increasing attention towards the development of a cost-effective, simple, and rapid alternative approach. In this review, we evaluate colorimetric sensing strategies of NDD biomarkers (e.g. proteins, neurotransmitters, bio-thiols, and sulfide), address the limitations and challenges of optical sensor technologies, and provide our outlook on the future of this field.
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Affiliation(s)
- Qingqing Fan
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Yuan Gao
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Federico Mazur
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia.
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60
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Zhang W, Li H, Jiang H, Wu H, Lu Y, Zhao X, Liu L, Gao Y, Zhang L. Influence of Surface Defects on the Thermal Conductivity of Hexagonal Boron Nitride/Poly(dimethylsiloxane) Nanocomposites: A Molecular Dynamics Simulation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12038-12048. [PMID: 34606718 DOI: 10.1021/acs.langmuir.1c01697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this simulation, the reverse nonequilibrium molecular dynamics simulation is employed to explore how the surface defects in hexagonal boron nitride (h-BN) influence the thermal conductivity of poly(dimethylsiloxane) (PDMS)-based composites. First, the interfacial thermal conductivity and the intrinsic thermal conductivity of h-BN are obtained by tuning the defect density, the inhomogeneity of the defect distribution, and the number of h-BN layers. The defects enhance the interfacial thermal conductivity, especially for h-BNs with high inhomogeneity of the defect distribution and multilayer. However, the intrinsic thermal conductivity of h-BN is declined significantly by the defects. They can be explained well by the vibrational density of states of PDMS and h-BNs and their overlap. Then, by combining the effective medium approximation model with the simulation, the overall thermal conductivity of composites is obtained. It exhibits a gradual decrease with increasing defect density or reducing the inhomogeneity of the defect distribution. Meanwhile, the enhancement extent of the overall thermal conductivity by improving the concentration and size of h-BNs depends on the defect density and the defect distribution. Finally, the comparison between the simulation and experiment is discussed. In summary, our work provides some valuable insights into how the defect density, the defect distribution, and the number of layers influence the thermal conductivity of the PDMS-based composite.
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Affiliation(s)
- Wenfeng Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Haoxiang Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Hanyu Jiang
- Science and Technology on Combustion and Explosion Laboratory, Xi'an Modern Chemistry Research Institute, Xi'an 710065, Shanxi, People's Republic of China
| | - Haoyu Wu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Yonglai Lu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Xiuying Zhao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Li Liu
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Yangyang Gao
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
| | - Liqun Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
- Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 10029, People's Republic of China
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61
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Xie Z, Chen L. Influence of Ce, Nd, Eu and Tm Dopants on the Properties of InSe Monolayer: A First-Principles Study. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2707. [PMID: 34685148 PMCID: PMC8541675 DOI: 10.3390/nano11102707] [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: 09/17/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 11/16/2022]
Abstract
Doping of foreign atoms may substantially alter the properties of the host materials, in particular low-dimension materials, leading to many potential functional applications. Here, we perform density functional theory calculations of two-dimensional InSe materials with substitutional doping of lanthanide atoms (Ce, Nd, Eu, Tm) and investigate systematically their structural, magnetic, electronic and optical properties. The calculated formation energy shows that the substitutional doping of these lanthanide atoms is feasible in the InSe monolayer, and such doping is more favorable under Se-rich than In-rich conditions. As for the structure, doping of lanthanide atoms induces visible outward movement of the lanthanide atom and its surrounding Se atoms. The calculated total magnetic moments are 0.973, 2.948, 7.528 and 1.945 μB for the Ce-, Nd-, Eu-, and Tm-doped systems, respectively, which are mainly derived from lanthanide atoms. Further band structure calculations reveal that the Ce-doped InSe monolayer has n-type conductivity, while the Nd-doped InSe monolayer has p-type conductivity. The Eu- and Tm-doped systems are found to be diluted magnetic semiconductors. The calculated optical response of absorption in the four doping cases shows redshift to lower energy within the infrared range compared with the host InSe monolayer. These findings suggest that doping of lanthanide atoms may open up a new way of manipulating functionalities of InSe materials for low-dimension optoelectronics and spintronics applications.
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Affiliation(s)
- Zhi Xie
- College of Mechanical and Electronic Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
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62
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Meziani MJ, Sheriff K, Parajuli P, Priego P, Bhattacharya S, Rao AM, Quimby JL, Qiao R, Wang P, Hwu SJ, Wang Z, Sun YP. Advances in Studies of Boron Nitride Nanosheets and Nanocomposites for Thermal Transport and Related Applications. Chemphyschem 2021; 23:e202100645. [PMID: 34626067 DOI: 10.1002/cphc.202100645] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/30/2021] [Indexed: 01/10/2023]
Abstract
Hexagonal boron nitride (h-BN) and exfoliated nanosheets (BNNs) not only resemble their carbon counterparts graphite and graphene nanosheets in structural configurations and many excellent materials characteristics, especially the ultra-high thermal conductivity, but also offer other unique properties such as being electrically insulating and extreme chemical stability and oxidation resistance even at elevated temperatures. In fact, BNNs as a special class of 2-D nanomaterials have been widely pursued for technological applications that are beyond the reach of their carbon counterparts. Highlighted in this article are significant recent advances in the development of more effective and efficient exfoliation techniques for high-quality BNNs, the understanding of their characteristic properties, and the use of BNNs in polymeric nanocomposites for thermally conductive yet electrically insulating materials and systems. Major challenges and opportunities for further advances in the relevant research field are also discussed.
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Affiliation(s)
- Mohammed J Meziani
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA.,Department of Natural Sciences, Northwest Missouri State University, Maryville, Missouri, 64468, USA
| | - Kirkland Sheriff
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Prakash Parajuli
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University, Clemson, South Carolina, 29634, USA
| | - Paul Priego
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Sriparna Bhattacharya
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University, Clemson, South Carolina, 29634, USA
| | - Apparao M Rao
- Department of Physics and Astronomy, Clemson Nanomaterials Institute, Clemson University, Clemson, South Carolina, 29634, USA
| | - Jesse L Quimby
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Rui Qiao
- Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24061, USA
| | - Ping Wang
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Shiou-Jyh Hwu
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Zhengdong Wang
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
| | - Ya-Ping Sun
- Department of Chemistry, Clemson University, Clemson, South Carolina, 29634, USA
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63
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Dong J, Gao L, Fu Q. Hexagonal Boron Nitride Meeting Metal: A New Opportunity and Territory in Heterogeneous Catalysis. J Phys Chem Lett 2021; 12:9608-9619. [PMID: 34585925 DOI: 10.1021/acs.jpclett.1c02626] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Two dimensional (2D) hexagonal boron nitride (h-BN) has been ignored for a long time in catalysis research because of its chemical inertness. Recently there has been a significant advance highlighting the role of metal/h-BN interfaces in catalytic applications. In this Perspective, we summarize state-of-the-art progress regarding h-BN-involved metal catalysts. Vacancy- and defect-rich h-BN sheets are able to anchor and modify supported metals, in which the interfacial metal-support interaction effect helps to enhance catalytic performance. Oxidative etching of h-BN sheets causes encapsulation of metal catalysts via boron oxide (BOx) species, which work synergistically with neighboring metal sites in catalysis. Covering a metal surface with ultrathin h-BN shells creates a 2D nanoreactor featuring confinement effect, providing a novel way to modulate metal-catalyzed reactions. Given all those fascinating combinations of metal catalyst and h-BN, the emerging opportunity when h-BN meets metal in heterogeneous catalysis is clearly underlined. The outlook, especially the challenges in the field, are discussed as well.
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Affiliation(s)
- Jinhu Dong
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, the Chinese Academy of Science, Dalian 116023, China
| | - Lijun Gao
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, the Chinese Academy of Science, Dalian 116023, China
| | - Qiang Fu
- State Key Laboratory of Catalysis, iChEM, Dalian Institute of Chemical Physics, the Chinese Academy of Science, Dalian 116023, China
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, the Chinese Academy of Sciences, Dalian 116023, China
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64
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Hao J, Wang Z, Wang Y. Computational investigation of lithium intercalation in single-walled zigzag blue phosphorene nanotubes. Chem Phys 2021. [DOI: 10.1016/j.chemphys.2021.111297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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65
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Gautam C, Chelliah S. Methods of hexagonal boron nitride exfoliation and its functionalization: covalent and non-covalent approaches. RSC Adv 2021; 11:31284-31327. [PMID: 35496870 PMCID: PMC9041435 DOI: 10.1039/d1ra05727h] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 08/26/2021] [Indexed: 12/31/2022] Open
Abstract
The exfoliation of two-dimensional (2D) hexagonal boron nitride nanosheets (h-BNNSs) from bulk hexagonal boron nitride (h-BN) materials has received intense interest owing to their fascinating physical, chemical, and biological properties. Numerous exfoliation techniques offer scalable approaches for harvesting single-layer or few-layer h-BNNSs. Their structure is very comparable to graphite, and they have numerous significant applications owing to their superb thermal, electrical, optical, and mechanical performance. Exfoliation from bulk stacked h-BN is the most cost-effective way to obtain large quantities of few layer h-BN. Herein, numerous methods have been discussed to achieve the exfoliation of h-BN, each with advantages and disadvantages. Herein, we describe the existing exfoliation methods used to fabricate single-layer materials. Besides exfoliation methods, various functionalization methods, such as covalent, non-covalent, and Lewis acid-base approaches, including physical and chemical methods, are extensively described for the preparation of several h-BNNS derivatives. Moreover, the unique and potent characteristics of functionalized h-BNNSs, like enhanced solubility in water, improved thermal conductivity, stability, and excellent biocompatibility, lead to certain extensive applications in the areas of biomedical science, electronics, novel polymeric composites, and UV photodetectors, and these are also highlighted.
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Affiliation(s)
- Chandkiram Gautam
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow Lucknow 226007 Uttar Pradesh India
| | - Selvam Chelliah
- Department of Pharmaceutical Sciences, Texas Southern University Houston USA
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66
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Sadki K, Saaoud M, Drissi LB. Thermal strain engineering of mechanical properties in Si-based hybrid sheets via molecular dynamics simulations. J Mol Model 2021; 27:290. [PMID: 34545425 DOI: 10.1007/s00894-021-04854-6] [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: 12/22/2020] [Accepted: 07/28/2021] [Indexed: 10/20/2022]
Abstract
The mechanical properties of pristine and defective Si-based hybrid sheets are studied using molecular dynamics calculations for a temperature ranging from 100 to 800 K, in conjunction with a variable strain rate. When increasing temperature, the melting phase of the hybrids occurs from the solid to the liquid phase, while the increase in the strain rate enhances their elastic parameters. The absence of plastic stage reveals that the fracture pattern is brittle in these 2D materials. Under the uniaxial loading, the systems stretch, resulting in the failure of the crystalline skeletons that lose their rigidity with anisotropic behavior observed only for SiC. In defective hybrids, the point defects reduce the values of fracture strength and strain without affecting the brittle behavior of the sheets. The results impart that coupling high temperature to SiC material offers new possibilities for MEMS devices, whereas SiGe is a promising candidate for microelectronic devices.
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Affiliation(s)
- K Sadki
- LPHE, Modeling & Simulations, Faculty of Science, Mohammed V University in Rabat, Rabat, Morocco.,CPM, Centre of Physics and Mathematics, Faculty of Science, Mohammed V University in Rabat, Rabat, Morocco
| | - M Saaoud
- LPHE, Modeling & Simulations, Faculty of Science, Mohammed V University in Rabat, Rabat, Morocco
| | - L B Drissi
- LPHE, Modeling & Simulations, Faculty of Science, Mohammed V University in Rabat, Rabat, Morocco. .,CPM, Centre of Physics and Mathematics, Faculty of Science, Mohammed V University in Rabat, Rabat, Morocco. .,College of Physical and Chemical Sciences, Hassan II Academy of Sciences and Technology, Km 4, Avenue Mohammed VI, Rabat, Morocco.
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67
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Esrafili MD, Janebi H, Mousavian P. Epoxidation of ethylene over an Ag atom embedded B-vacancy defective boron-nitride nanosheet via a trimolecular Langmuir–Hinshelwood mechanism: A DFT investigation. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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68
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Crapnell RD, Banks CE. Electroanalytical overview: utilising micro- and nano-dimensional sized materials in electrochemical-based biosensing platforms. Mikrochim Acta 2021; 188:268. [PMID: 34296349 PMCID: PMC8298255 DOI: 10.1007/s00604-021-04913-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 07/02/2021] [Indexed: 12/19/2022]
Abstract
Research into electrochemical biosensors represents a significant portion of the large interdisciplinary field of biosensing. The drive to develop reliable, sensitive, and selective biosensing platforms for key environmental and medical biomarkers is ever expanding due to the current climate. This push for the detection of vital biomarkers at lower concentrations, with increased reliability, has necessitated the utilisation of micro- and nano-dimensional materials. There is a wide variety of nanomaterials available for exploration, all having unique sets of properties that help to enhance the performance of biosensors. In recent years, a large portion of research has focussed on combining these different materials to utilise the different properties in one sensor platform. This research has allowed biosensors to reach new levels of sensitivity, but we note that there is room for improvement in the reporting of this field. Numerous examples are published that report improvements in the biosensor performance through the mixing of multiple materials, but there is little discussion presented on why each nanomaterial is chosen and whether they synergise well together to warrant the inherent increase in production time and cost. Research into micro-nano materials is vital for the continued development of improved biosensing platforms, and further exploration into understanding their individual and synergistic properties will continue to push the area forward. It will continue to provide solutions for the global sensing requirements through the development of novel materials with beneficial properties, improved incorporation strategies for the materials, the combination of synergetic materials, and the reduction in cost of production of these nanomaterials.
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Affiliation(s)
- Robert D Crapnell
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Craig E Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
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69
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Bakshi A, Bustamante H, Sui X, Joshi R. Structure Dependent Water Transport in Membranes Based on Two-Dimensional Materials. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01919] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Aastha Bakshi
- Department of Metallurgical and Materials Engineering, Punjab Engineering College (Deemed to Be University), Chandigarh 160012, India
- SMaRT Centre, School of Materials Science and Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | | | - Xiao Sui
- SMaRT Centre, School of Materials Science and Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Rakesh Joshi
- SMaRT Centre, School of Materials Science and Engineering, University of New South Wales, Sydney, New South Wales 2052, Australia
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70
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Ben J, Liu X, Wang C, Zhang Y, Shi Z, Jia Y, Zhang S, Zhang H, Yu W, Li D, Sun X. 2D III-Nitride Materials: Properties, Growth, and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2006761. [PMID: 34050555 DOI: 10.1002/adma.202006761] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 12/31/2020] [Indexed: 06/12/2023]
Abstract
2D III-nitride materials have been receiving considerable attention recently due to their excellent physicochemical properties, such as high stability, wide and tunable bandgap, and magnetism. Therefore, 2D III-nitride materials can be applied in various fields, such as electronic and photoelectric devices, spin-based devices, and gas detectors. Although the developments of 2D h-BN materials have been successful, the fabrication of other 2D III-nitride materials, such as 2D h-AlN, h-GaN, and h-InN, are still far from satisfactory, which limits the practical applications of these materials. In this review, recent advances in the properties, growth methods, and potential applications of 2D III-nitride materials are summarized. The properties of the 2D III-nitride materials are mainly obtained by first-principles calculations because of the difficulties in the growth and characterizations of these materials. The discussion on the growth of 2D III-nitride materials is focused on 2D h-BN and h-AlN, as the developments of 2D h-GaN and h-InN are yet to be realized. Therefore, applications have been realized mostly based on the 2D h-BN materials; however, many potential applications are cited for the entire range of 2D III-nitride materials. Finally, future research directions and prospects in this field are also discussed.
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Affiliation(s)
- Jianwei Ben
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
| | - Xinke Liu
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Cong Wang
- Collaborative Innovation Center for Optoelectronic Science and Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Yupeng Zhang
- Collaborative Innovation Center for Optoelectronic Science and Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhiming Shi
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
| | - Yuping Jia
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
| | - Shanli Zhang
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
| | - Han Zhang
- Collaborative Innovation Center for Optoelectronic Science and Technology, International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wenjie Yu
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Dabing Li
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
| | - Xiaojuan Sun
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun, 130033, China
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71
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Liao Z, Zhu J, Li X, Van der Bruggen B. Regulating composition and structure of nanofillers in thin film nanocomposite (TFN) membranes for enhanced separation performance: A critical review. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118567] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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72
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Zhao LH, Liao Y, Jia LC, Wang Z, Huang XL, Ning WJ, Zhang ZX, Ren JW. Ultra-Robust Thermoconductive Films Made from Aramid Nanofiber and Boron Nitride Nanosheet for Thermal Management Application. Polymers (Basel) 2021; 13:2028. [PMID: 34206158 PMCID: PMC8271841 DOI: 10.3390/polym13132028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 01/01/2023] Open
Abstract
The development of highly thermally conductive composites with excellent electrical insulation has attracted extensive attention, which is of great significance to solve the increasingly severe heat concentration issue of electronic equipment. Herein, we report a new strategy to prepare boron nitride nanosheets (BNNSs) via an ion-assisted liquid-phase exfoliation method. Then, silver nanoparticle (AgNP) modified BNNS (BNNS@Ag) was obtained by in situ reduction properties. The exfoliation yield of BNNS was approximately 50% via the ion-assisted liquid-phase exfoliation method. Subsequently, aramid nanofiber (ANF)/BNNS@Ag composites were prepared by vacuum filtration. Owing to the "brick-and-mortar" structure formed inside the composite and the adhesion of AgNP, the interfacial thermal resistance was effectively reduced. Therefore, the in-plane thermal conductivity of ANF/BNNS@Ag composites was as high as 11.51 W m-1 K-1, which was 233.27% higher than that of pure ANF (3.45 W m-1 K-1). The addition of BNNS@Ag maintained tensile properties (tensile strength of 129.14 MPa). Moreover, the ANF/BNNS@Ag films also had good dielectric properties and the dielectric constant was below 2.5 (103 Hz). Hence, the ANF/BNNS@Ag composite shows excellent thermal management performance, and the electrical insulation and mechanical properties of the matrix are retained, indicating its potential application prospects in high pressure and high temperature application environments.
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Affiliation(s)
- Li-Hua Zhao
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Yun Liao
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Li-Chuan Jia
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Zhong Wang
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Xiao-Long Huang
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Wen-Jun Ning
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
| | - Zong-Xi Zhang
- State Grid Sichuan Electric Power Research Institute, State Grid of China, Chengdu 610041, China;
| | - Jun-Wen Ren
- College of Electrical Engineering, Sichuan University, Chengdu 610065, China; (L.-H.Z.); (Y.L.); (L.-C.J.); (Z.W.); (X.-L.H.); (W.-J.N.)
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73
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Öndeş B, Evli S, Uygun M, Aktaş Uygun D. Boron nitride nanosheet modified label-free electrochemical immunosensor for cancer antigen 125 detection. Biosens Bioelectron 2021; 191:113454. [PMID: 34171737 DOI: 10.1016/j.bios.2021.113454] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/11/2021] [Accepted: 06/15/2021] [Indexed: 01/01/2023]
Abstract
In this presented study, a new boron nitride nanosheets modified label-free electrochemical immunosensors were prepared for early detection of cancer antigen 125 (CA125). To aim for, boron nitride (BN) nanosheets were synthesized by conventional sonication-assisted method and then characterized. BN nanosheets were used for the surface modification of the working electrode of the screen-printed electrode (SPE). Anti CA125 antibody was then directly immobilized onto the electrode surface due to its natural affinity towards BN nanosheets. Modified electrodes were blocked with BSA and finally protected with Nafion. The newly synthesized label-free immunosensor demonstrated good detection properties to CA125 with a linear range of 5-100 U and a detection limit of 1.18 U/mL. The developed immunosensor also showed excellent reproducibility, selectivity, and stability profiles. Additionally, this immunosensor was successfully used for the detection of CA125 in artificial human serum samples along with the interfering agents. Also, it is expected that the prepared immunosensor should carry the good potential for point-of-care diagnosis in real cases.
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Affiliation(s)
- Baha Öndeş
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey
| | - Sinem Evli
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey
| | - Murat Uygun
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey; Adnan Menderes University, Nanotechnology Application and Research Center, Aydın, Turkey
| | - Deniz Aktaş Uygun
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey; Adnan Menderes University, Nanotechnology Application and Research Center, Aydın, Turkey.
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74
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Abdelsalam H, Ali M, Teleb NH, Ibrahim MM, Ibrahim MA, Zhang Q. Two-dimensional Si2BN nanoflakes for efficient removal of heavy metals. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138568] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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75
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Kubo D, Tadanaga K, Hayashi A, Tatsumisago M. Hydroxide ion Conduction Mechanism in Mg-Al CO32− Layered Double Hydroxide. J ELECTROCHEM SCI TE 2021. [DOI: 10.33961/jecst.2020.01424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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76
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Mohammadi MD, Abdullah HY, Suvitha A. The Adsorption of 1-Chloro-1,2,2,2-Tetrafluoroethane Onto the Pristine, Al-, and Ga-Doped Boron Nitride Nanosheet. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, TRANSACTIONS A: SCIENCE 2021. [DOI: 10.1007/s40995-021-01117-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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77
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Öz M, Bozkurt Ç, Kanbur Yılmaz B, Yıldırım G. Effect of borates on the synthesis of nanoscale hexagonal boron nitride by a solid-state method. Microsc Res Tech 2021; 84:2677-2684. [PMID: 33982821 DOI: 10.1002/jemt.23817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/10/2021] [Accepted: 05/01/2021] [Indexed: 11/07/2022]
Abstract
This study delves deeply into the effect of different borates (lithium tetraborate, sodium tetraborate, calcium metaborate, ammonium pentaborate) on the production and fundamental characteristic features of nanoscale hexagonal boron nitride (hBN) structure with the assistant of standard characteristic measurement methods, namely, Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM). The hBN samples are synthesized by reaction of powder urea, boron oxide, and different kinds of borates via the modified O'Connor method (performed at a relatively lower main heat treatment temperature of 1,100°C). All the results obtained show that the usage of borates affects positively the formation of nanoscale hBN structure. In more detail, the FTIR experiment results reveal that the presence of two strong c peaks appeared at ~1,380 and ~780 cm-1 in the spectra points out the conventional BN in-plane and out-of-plane vibrations, respectively. The XRD patterns also confirm the production of high-ordered hBN as the existence of the main peaks of the corresponding hexagonal system. As for the SEM examination, it is found that all the hBN materials exhibit totally different crystallinity quality and microstructural characteristics. The hBN compound prepared by the sodium tetraborate content shows the most uniform surface appearance with the smoothest/densest crystal structure, best grain orientations, and finest grain interactions. Hence, the material with strong stretching of interatomic bonds shows the highest material (fracture) strength. Moreover, the TEM images illustrate that all the products are composed of uniform multi-walled nanotubes and nanorods with an average length of ~250 nm.
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Affiliation(s)
- Muhammed Öz
- Department of Chemistry and Chemical Processing Technology, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Çetin Bozkurt
- Department of Chemistry, Faculty of Art and Science, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Binnur Kanbur Yılmaz
- Department of Chemistry, Faculty of Art and Science, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Gürcan Yıldırım
- Department of Mechanical Engineering, Bolu Abant Izzet Baysal University, Bolu, Turkey
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78
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Abu Saleh D, Sosnik A. Enhanced photoluminescence of boron nitride quantum dots by encapsulation within polymeric nanoparticles. NANOTECHNOLOGY 2021; 32:195104. [PMID: 33513592 DOI: 10.1088/1361-6528/abe155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Boron nitride quantum dots (BNQDs) have been proposed as probes for bioimaging owing their to outstanding photoluminescent properties, although their hydrophobic nature and strong aggregation tendency in aqueous media limit their application in the biomedical field. In this work, we synthesize BNQDs by a liquid exfoliation-solvothermal process under pressure from boron nitride nanoparticles in N,N-dimethylformamide. The BNQDs display an average size of 3.3 ± 0.6 nm, as measured by transmission electron microscopy, and a (100) crystalline structure. In addition, a quantum yield of 21.75 ± 0.20% was achieved. To ensure complete dispersibility in water and prevent possible elimination by renal filtration upon injection, the BNQDs (20% w/w) are encapsulated within poly(ethylene glycol)-b-poly(epsilon-caprolactone) nanoparticles by a simple and scalable nanoprecipitation method, and hybrid nanocomposite particles with significantly stronger photoluminescence than their free counterparts are produced. Finally, their optimal cell compatibility and bioimaging features are demonstrated in vitro in murine macrophage and human rhabdomyosarcoma cell lines.
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Affiliation(s)
- Doaa Abu Saleh
- Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology, Haifa, Israel
| | - Alejandro Sosnik
- Laboratory of Pharmaceutical Nanomaterials Science, Department of Materials Science and Engineering, Technion-Israel Institute of Technology, Haifa, Israel
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79
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Jiang T, Le D, Rawal TB, Rahman TS. Syngas molecules as probes for defects in 2D hexagonal boron nitride: their adsorption and vibrations. Phys Chem Chem Phys 2021; 23:7988-8001. [PMID: 33475121 DOI: 10.1039/d0cp05943a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Single-layer, defect-laden hexagonal boron nitride (dh-BN) is attracting a great deal of attention for its diverse applications: catalysis on the one hand, and single photon emission on the other. As possible probes for identifying some common defects in single-layer h-BN, we present results of ab initio calculations for the adsorption and vibrational characteristics of syngas molecules (H2, CO, CO2) on dh-BN containing one of four types of defects: nitrogen vacancy (VN), boron vacancy (VB), Stone-Wales defect (SW), and nitrogen substituted by boron (BN). Through a comparative examination of adsorption features, charge transfer, electronic structure, and vibrational spectrum, we obtain a deep understanding of the interaction of these molecules with dh-BN and the role of the defect states. We find that while CO, CO2 and atomic hydrogen chemisorb, molecular H2 physisorbs on dh-BN with the four considered defect types. VN and VB show strong affinity for CO and CO2 since the defect states induced by them lie close to the Fermi level. SW does not favor adsorption of these small molecules, as the process for each is endothermic. In the case of BN, CO adsorbs strongly but CO2 only weakly. Vibrational frequencies of notable modes localized at the adsorbed molecules are analyzed and suggested as measures for identification of the defect type. Through a simple comparison of adsorption characteristics of the molecules on these defects, we propose dh-BN with VN to be a good catalyst candidate for CO2 hydrogenation.
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Affiliation(s)
- Tao Jiang
- Department of Physics, University of Central Florida, Orlando, FL 32816, USA.
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80
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Kallem P, Bharath G, Rambabu K, Srinivasakannan C, Banat F. Improved permeability and antifouling performance of polyethersulfone ultrafiltration membranes tailored by hydroxyapatite/boron nitride nanocomposites. CHEMOSPHERE 2021; 268:129306. [PMID: 33360002 DOI: 10.1016/j.chemosphere.2020.129306] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/05/2020] [Accepted: 12/11/2020] [Indexed: 06/12/2023]
Abstract
To extend the use of polyethersulfone (PES) ultrafiltration membranes in water process engineering, the membrane's wettability and anti-fouling properties should be further improved. In this context, hydroxyapatite/boron nitride (HAp/BN) nanocomposites have been prepared and intercalated into PES membranes using a non-solvent-induced phase separation process. High-quality 2D transparent boron nitride nanosheets (BN NSs) were prepared using an environmentally friendly and green-template assisted synthesis method in which 1D hexagonal hydroxyapatite nanosheets (HAp NRs) were uniformly distributed and hydrothermally immobilized at 180 °C. SEM, XRD, and Raman spectroscopy techniques were used to characterize the HAp/BN nanocomposites. PES membranes intercalated with various nanocomposite amounts (0-4 wt %) were also characterized by permeability, porosity, and contact angle measurements. Additional pathways for water molecule transport were promoted by the high surface area of the BN NSs, resulting in high permeability. Membrane wettability and antifouling properties were also improved by the inclusion of negative charge groups (OH- and PO43-) on HAp. Hybrid membranes containing 4 wt% HAp/BN showed the best overall performance with ∼97% increase in water flux, 90% rejection of bovine serum albumin (BSA), high water flux recovery ratio, low irreversible fouling, and high reversible fouling pattern. The intercalation of HAp/BN with the PES matrix therefore opens up a new direction to enhance the PES UF membranes' hydrophilicity, water flux, and antifouling capacity.
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Affiliation(s)
- Parashuram Kallem
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - G Bharath
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - K Rambabu
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - C Srinivasakannan
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
| | - Fawzi Banat
- Center for Membranes and Advanced Water Technology (CMAT), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
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81
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Ahankari S, Paliwal P, Subhedar A, Kargarzadeh H. Recent Developments in Nanocellulose-Based Aerogels in Thermal Applications: A Review. ACS NANO 2021; 15:3849-3874. [PMID: 33710860 DOI: 10.1021/acsnano.0c09678] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Naturally derived nanocellulose (NC) is a renewable, biodegradable nanomaterial with high strength, low density, high surface area, and tunable surface chemistry, which allows its interaction with other polymers and nanomaterials in a controlled manner. In recent years, NC aerogel has gathered a lot of attention due to environmental concerns. This review presents recent developments of NC-based aerogels and their controlled interactions with other polymers and nanomaterials for thermal applications that include electronic devices, the apparel industry, superinsulating materials, and flame-retardant smart building materials. After going through the distinctive properties of NC aerogels, they are orderly categorized and discussed as thermally insulated, thermally conductive, and flame-retardant materials.
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Affiliation(s)
- Sandeep Ahankari
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India
| | - Pradyumn Paliwal
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India
| | - Aditya Subhedar
- School of Mechanical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu 632014, India
| | - Hanieh Kargarzadeh
- Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Seinkiewicza 112, 90-363 Lodz, Poland
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82
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Fthenakis ZG, Jaishi M, Narayanan B, Andriotis AN, Menon M. High temperature stability, metallic character and bonding of the Si 2BN planar structure. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2021; 33:165001. [PMID: 33445169 DOI: 10.1088/1361-648x/abdbe9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
The family of monolayered Si2BN structures constitute a new class of 2D materials exhibiting metallic character with remarkable stability. Topologically, these structures are very similar to graphene, forming a slightly distorted honeycomb lattice generated by a union of two basic motifs with AA and AB stacking. In the present work we study in detail the structural and electronic properties of these structures in order to understand the factors which are responsible for their structural differences as well as those which are responsible for their metallic behavior and bonding. Their high temperature stability is demonstrated by the calculations of finite temperature phonon modes which show no negative contributions up to and beyond 1000 K. Presence of the negative thermal expansion coefficient, a common feature of one-atom thick 2D structures, is also seen. Comparison of the two motifs reveal the main structural differences to be the differences in their bond angles, which are affected by the third nearest neighbor interactions ofcis-transtype. On the other hand, the electronic properties of these two structures are very similar, including the charge transfers occurring between orbitals and between atoms. Their metallicity is mainly due to thepzorbitals of Si with a minor contribution from thepzorbitals of B, while the contribution from thepzorbitals of N atoms is negligible. There is almost no contributions from the Npzelectrons to the energy states near the Fermi level, and they form a band well below it. I.e., thepzelectrons of N are localized mostly at the N atoms and therefore cannot be considered as mobile electrons of thepzcloud. Moreover, we show that due to the relative positions in the energy axis of the atomic energies of thepzorbitals of B, N and Si atoms, the density of states (DOS) of Si2BN can be considered qualitatively as a combination of the DOS of planar hexagonal BN (h-BN) and hypothetically planar silicene (ph-Si). As a result, the Si2BN behaves electronically at the Fermi level as slightly perturbed ph-Si, having very similar electronic properties as silicene, but with the advantage of having kinetic stability in planar form. As for the bonding, the Si-Si bonds are covalent, while theπback donation mechanism occurs for the B-N bonding, in accordance with the B-N bonding in h-BN.
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Affiliation(s)
- Zacharias G Fthenakis
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, GR-11635, Athens, Greece
- Department of Surveying and Geoinformatics Engineering, University of West Attica, GR-12243, Athens, Greece
- Department of Marine Engineering, University of West Attica, GR-12243, Athens, Greece
| | - Meghnath Jaishi
- Department of Mechanical Engineering, University of Louisville, Louisville, Kentucky 40292, United States of America
| | - Badri Narayanan
- Department of Mechanical Engineering, University of Louisville, Louisville, Kentucky 40292, United States of America
| | - Antonis N Andriotis
- Institute of Electronic Structure and Laser, FORTH, PO Box 1527, 71110 Heraklio, Crete, Greece
| | - Madhu Menon
- Conn Center for Renewable Energy Research, University of Louisville, Louisville, KY 40292, United States of America
- Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506, United States of America
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83
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O’Brien C, Varty K, Ignaszak A. The electrochemical detection of bioterrorism agents: a review of the detection, diagnostics, and implementation of sensors in biosafety programs for Class A bioweapons. MICROSYSTEMS & NANOENGINEERING 2021; 7:16. [PMID: 33585038 PMCID: PMC7872827 DOI: 10.1038/s41378-021-00242-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 01/03/2021] [Indexed: 05/10/2023]
Abstract
During the past year, disease has shown us the iron grip it can hold over a population of people. Health systems can be overwhelmed, economies can be brought into recession, and many people can be harmed or killed. When weaponized, diseases can be manipulated to create a detriment to health while becoming an economic burden on any society. It is consequently prudent that easy detection of bioweapons is available to governments for protecting their people. Electrochemical sensing displays many distinct advantages, such as its low limit of detection, low cost to run, rapid generation of results, and in many instances portability. We therefore present a wide array of electrochemical sensing platforms currently being fabricated, a brief summary of Class A bioweapons, and the potential future of bioweapon detection and biosafety.
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Affiliation(s)
- Connor O’Brien
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, NB E3B 5A3 Canada
| | - Kathleen Varty
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, NB E3B 5A3 Canada
| | - Anna Ignaszak
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, NB E3B 5A3 Canada
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84
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Zhang Y, Ma J, Wei N, Yang J, Pei QX. Recent progress in the development of thermal interface materials: a review. Phys Chem Chem Phys 2021; 23:753-776. [PMID: 33427250 DOI: 10.1039/d0cp05514j] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Modern electronic devices are characterized by high-power and high-frequency with excessive heat accumulation. Thermal interface materials (TIMs) are of crucial importance for efficient heat dissipation to maintain proper functions and lifetime for these devices. The most promising TIMs are those polymer-based nanocomposites consisting of polymers and low-dimensional materials with high thermal conductivity (TC). This perspective summarizes the recent progress on the thermal transport properties of newly discovered one-dimensional (1D) nanomaterials and two-dimensional (2D) nanomaterials as well as three-dimensional (3D) nanostructures consisting of these 1D and 2D nanomaterials. Moreover, the applications of various nanomaterials in polymer nanocomposites for advanced TIMs are critically reviewed and the mechanism of TC enhancement is analysed. It is hoped that the present review could provide better understanding of the thermal transport properties of recently developed 2D nanomaterials and various 3D nanostructures as well as relevant polymer-based TIMs, shedding more light on the thermal management research.
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Affiliation(s)
- Yingyan Zhang
- School of Engineering, RMIT University, Bundoora, VIC 3083, Australia.
| | - Jun Ma
- University of South Australia, UniSA STEM and Future Industries Institute, Mawson Lakes, South Australia 5095, Australia
| | - Ning Wei
- Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, 214122 Wuxi, China
| | - Jie Yang
- School of Engineering, RMIT University, Bundoora, VIC 3083, Australia.
| | - Qing-Xia Pei
- Institute of High Performance Computing, A*STAR, Singapore 138632, Singapore.
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85
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Fu K, Yang J, Cao C, Zhai Q, Qiao W, Qiao J, Gao H, Zhou Z, Ji J, Li M, Liu C, Wang B, Bai W, Duan H, Xue Y, Tang C. Highly Multifunctional and Thermoconductive Performances of Densely Filled Boron Nitride Nanosheets/Epoxy Resin Bulk Composites. ACS APPLIED MATERIALS & INTERFACES 2021; 13:2853-2867. [PMID: 33412856 DOI: 10.1021/acsami.0c19977] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the development of hexagonal boron nitride (h-BN)-based polymeric composites with high thermal conductivity, it is always challenging to achieve a dense filling of h-BN fillers to form a desired high-density thermal transfer network. Here, a series of boron nitride nanosheets (BNNSs)/epoxy resin (EP) bulk composites filled with ultrahigh BNNSs content (65-95 wt %) is successfully constructed through a well-designed mechanical-balling prereaction combined with a general pressure molding method. By means of this method, the highly filled BNNSs fillers are uniformly dispersed and strongly bonded with EP within the composites. As a result, the densely BNNSs-filled composites can exhibit multiple performances. They have excellent mechanical properties, and their maximum compression strength is 30-97 MPa. For a BNNSs/EP composite with filling ultrahigh BNNSs fraction up to 90 wt %, its highly in-plane thermal conductivities (TC) are 6.7 ± 0.1 W m-1 K-1 (at 25 °C) to 8.7 ± 0.2 W m-1 K-1 (200 °C), respectively. In addition, the minimum coefficient of thermal expansion of BNNSs/EP composites is 4.5 ± 1.3 ppm/°C (only ∼4% of that of the neat EP), while their dielectric constants are basically located between 3-4 along with their dielectric loss tangent values exceptionally <0.3 in the ultrahigh frequency range of 12-40 GHz. Additionally, these BNNSs/EP composites exhibit remarkable cycle stability in heat transfer during heating and cooling processes because of their structural robustness. Thus, this type of densely BNNSs-filled BNNSs/EP composite would have great potential for further practical thermal management fields.
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Affiliation(s)
- Kun Fu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Jingwen Yang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Chaochao Cao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Qinghong Zhai
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Wei Qiao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Jiaxiao Qiao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Hejun Gao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Zheng Zhou
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Jiawei Ji
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Mengyuan Li
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Chaoze Liu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Bozheng Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Wenjuan Bai
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Hongliang Duan
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Yanming Xue
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
| | - Chengchun Tang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P.R. China
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Min Y, Zhou X, Chen JJ, Chen W, Zhou F, Wang Z, Yang J, Xiong C, Wang Y, Li F, Yu HQ, Wu Y. Integrating single-cobalt-site and electric field of boron nitride in dechlorination electrocatalysts by bioinspired design. Nat Commun 2021; 12:303. [PMID: 33436610 PMCID: PMC7803959 DOI: 10.1038/s41467-020-20619-w] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 12/07/2020] [Indexed: 12/18/2022] Open
Abstract
The construction of enzyme-inspired artificial catalysts with enzyme-like active sites and microenvironment remains a great challenge. Herein, we report a single-atomic-site Co catalyst supported by carbon doped boron nitride (BCN) with locally polarized B-N bonds (Co SAs/BCN) to simulate the reductive dehalogenases. Density functional theory analysis suggests that the BCN supports, featured with ionic characteristics, provide additional electric field effect compared with graphitic carbon or N-doped carbon (CN), which could facilitate the adsorption of polarized organochlorides. Consistent with the theoretical results, the Co SAs/BCN catalyst delivers a high activity with nearly complete dechlorination (~98%) at a potential of -0.9 V versus Ag/AgCl for chloramphenicol (CAP), showing that the rate constant (k) contributed by unit mass of metal (k/ratio) is 4 and 19 times more active than those of the Co SAs/CN and state-of-the-art Pd/C catalyst, respectively. We show that Co single atoms coupled with BCN host exhibit high stability and selectivity in CAP dechlorination and suppress the competing hydrogen evolution reaction, endowing the Co SAs/BCN as a candidate for sustainable conversion of organic chloride.
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Affiliation(s)
- Yuan Min
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026, Hefei, China
| | - Xiao Zhou
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China. .,College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, 200092, Shanghai, China.
| | - Jie-Jie Chen
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026, Hefei, China.
| | - Wenxing Chen
- Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications, School of Materials Science and Engineering, Beijing Institute of Technology, 100081, Beijing, China
| | - Fangyao Zhou
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China
| | - Zhiyuan Wang
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China
| | - Jia Yang
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China
| | - Can Xiong
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China
| | - Ying Wang
- College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, 200092, Shanghai, China
| | - Fengting Li
- College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, 200092, Shanghai, China
| | - Han-Qing Yu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Environmental Science and Engineering, University of Science and Technology of China, 230026, Hefei, China
| | - Yuen Wu
- Department of Applied Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), University of Science and Technology of China, 230026, Hefei, China.
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87
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Lê Anh M, Potapov P, Wolf D, Lubk A, Glatz B, Fery A, Doert T, Ruck M. Freestanding Nanolayers of a Wide-Gap Topological Insulator through Liquid-Phase Exfoliation. Chemistry 2021; 27:794-801. [PMID: 33125781 PMCID: PMC7839554 DOI: 10.1002/chem.202004320] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Indexed: 11/11/2022]
Abstract
The layered salt Bi14 Rh3 I9 is a weak three-dimensional (3D) topological insulator (TI), that is, a stack of two-dimensional (2D) TIs. It has a wide non-trivial band gap of 210 meV, which is generated by strong spin-orbit coupling, and possesses protected electronic edge-states. In the structure, charged layers of∞ 2 [ (Bi4 Rh)3 I]2+ honeycombs and∞ 1 [ Bi2 I8 ]2- chains alternate. The non-trivial topology of Bi14 Rh3 I9 is an inherent property of the 2D intermetallic fragment. Here, the exfoliation of Bi14 Rh3 I9 was performed using two different chemical approaches: (a) through a reaction with n-butyllithium and poly(vinylpyrrolidone), (b) through a reaction with betaine in dimethylformamide at 55 °C. The former yielded few-layer sheets of the new compound Bi12 Rh3 I, while the latter led to crystalline sheets of Bi14 Rh3 I9 with a thickness down to 5 nm and edge-lengths up to several ten microns. X-ray diffraction and electron microscopy proved that the structure of Bi14 Rh3 I9 remained intact. Thus, it was assumed that the particles are still TIs. Dispersions of these flakes now allow for next steps towards the envisioned applications in nanoelectronics, such as the study of quantum coherence in deposited films, the combination with superconducting particles or films for the generation of Majorana fermions, or studies on their behavior under the influence of magnetic or electric fields or in contact with various materials occurring in devices. The method presented generally allows to exfoliate layers with high specific charges and thus the use of layered starting materials beyond van der Waals crystals.
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Affiliation(s)
- Mai Lê Anh
- Faculty of Chemistry and Food ChemistryTechnische Universität Dresden01062DresdenGermany
| | | | | | - Axel Lubk
- Leibniz IFW Dresden01069DresdenGermany
- Würzburg-Dresden Cluster of Excellence ct.qmatTechnische Universität Dresden01062DresdenGermany
| | - Bernhard Glatz
- Leibniz Institute of Polymer Research Dresden01069DresdenGermany
| | - Andreas Fery
- Leibniz Institute of Polymer Research Dresden01069DresdenGermany
| | - Thomas Doert
- Faculty of Chemistry and Food ChemistryTechnische Universität Dresden01062DresdenGermany
| | - Michael Ruck
- Faculty of Chemistry and Food ChemistryTechnische Universität Dresden01062DresdenGermany
- Würzburg-Dresden Cluster of Excellence ct.qmatTechnische Universität Dresden01062DresdenGermany
- Max Planck Institute for Chemical Physics of Solids01187DresdenGermany
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88
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Ihsanullah I. Boron nitride-based materials for water purification: Progress and outlook. CHEMOSPHERE 2021; 263:127970. [PMID: 32835978 DOI: 10.1016/j.chemosphere.2020.127970] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 06/11/2023]
Abstract
Analogous to the carbon family, boron nitride (BN)-based materials have gained considerable attention in recent times for applications in various fields. Owing to their extraordinary characteristics, i.e., high surface area, low density, superior thermal stability, mechanical strength, and conductivity, excellent corrosion, and oxidation resistance, the BN nanomaterials have been explored in water remediation. This article critically evaluates the latest development in applications of BN-based materials in water purification with focus on adsorption, synthesis of novel membranes and photocatalytic degradation of pollutants. The adsorption of various noxious pollutants, i.e., dyes, organic compounds, antibiotics, and heavy metals from aqueous medium BN-based materials are described in detail by illustrating the adsorption mechanism and regeneration potential. The major hurdles and opportunities related to the synthesis and water purification applications of BN-based materials are underscored. Finally, a roadmap is suggested for future research to assure the effective applications of BN-based materials in water purification. This review is beneficial in understanding the current status of these unique materials in water purification and accelerating the research focusing their future water remediation applications.
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Affiliation(s)
- Ihsanullah Ihsanullah
- Center for Environment and Water, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
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89
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Supercritical fluid processing of boron nitride nanosheets for polymeric nanocomposites of superior thermal transport properties. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2020.105035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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90
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García-Miranda Ferrari A, Rowley-Neale SJ, Banks CE. Recent advances in 2D hexagonal boron nitride (2D-hBN) applied as the basis of electrochemical sensing platforms. Anal Bioanal Chem 2021; 413:663-672. [PMID: 33284404 PMCID: PMC7808977 DOI: 10.1007/s00216-020-03068-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Accepted: 11/12/2020] [Indexed: 02/06/2023]
Abstract
2D hexagonal boron nitride (2D-hBN) is a lesser utilised material than other 2D counterparts in electrochemistry due to initial reports of it being non-conductive. As we will demonstrate in this review, this common misconception is being challenged, and researchers are starting to utilise 2D-hBN in the field of electrochemistry, particularly as the basis of electroanalytical sensing platforms. In this critical review, we overview the use of 2D-hBN as an electroanalytical sensing platform summarising recent developments and trends and highlight future developments of this interesting, often overlooked, 2D material.
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Affiliation(s)
| | - Samuel J Rowley-Neale
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Craig E Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK.
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91
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Chou HY, Tsai HC. Development of hydrogels with thermal-healing properties using a network of polyvinyl alcohol and boron nitride composites. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111364. [PMID: 33254983 DOI: 10.1016/j.msec.2020.111364] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/09/2020] [Accepted: 08/05/2020] [Indexed: 12/11/2022]
Abstract
The biocompatibility, flexibility, and tissue-like mechanical properties of hydrogels suggest they are promising materials for wearable devices. However, the production of smart, self-healing hydrogels is limited by the unstable structure of load-bearing stressors and the need for long-term healing capacity. An important goal when developing such hydrogels is to improve their mechanical characteristics and rapid ability to self-repair in physiological environments. In this study, we aimed to create a thermo-responsive hydrogel that possessed thermal-healing and enhanced mechanical properties, without losing its self-healing capabilities, by employing two interpenetrating cross-linked networks of polyvinyl alcohol (PVA) and boron nitride nanosheets (BNNSs). We observed that addition of BNNSs significantly increased the glass transition temperature (Tg) and temperature-dependent swelling of PVA hydrogels, indicating a high compatibility between these two materials and a high thermal response to external stimuli. Our results suggest that PVA hydrogels combined with BNNSs outperform single-network PVA hydrogels in terms of thermal-healing capacity. As above Tg, the thermal energy gained during moisture loss leads to an increase in the thermal mobility of the polymer chains and in the free volume available for new hydrogen bonds at the fracture surface. This unique structure increases water content and confers better mechanical properties. Interestingly, this structure of the second network benefits the first PVA network during deformation by effectively dissipating energy and bearing force, and contrarily to single-network PVA hydrogels. Taken together, our results show that combining PVA and BNNSs to create a hybrid structure, exerts a synergistic effect and successfully improves the thermal-healing performance of wet hydrogels.
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Affiliation(s)
- Hsiao-Ying Chou
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan; Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Hsieh-Chih Tsai
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan; Advanced Membrane Materials Center, National Taiwan University of Science and Technology, Taipei, Taiwan; R&D Center for Membrane Technology, Chung Yuan Christian University, Chungli, Tao-Yuan 320, Taiwan.
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92
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Nanosheets-incorporated bio-composites containing natural and synthetic polymers/ceramics for bone tissue engineering. Int J Biol Macromol 2020; 164:1960-1972. [DOI: 10.1016/j.ijbiomac.2020.08.053] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/20/2020] [Accepted: 08/06/2020] [Indexed: 12/14/2022]
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93
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Wang G, Geng L, Tang W, Wang B, Zhao W, Zhang W, Yuan B, Yuan H, Zhou T. Two dimensional CdS/ZnO type-II heterostructure used for photocatalytic water-splitting. NANOTECHNOLOGY 2020; 31:485701. [PMID: 32931462 DOI: 10.1088/1361-6528/abb15a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The electronic structures of two dimensional (2D) CdS/ZnO heterostructure (CdZnHT) consisting of CdS singlelayer (SL) and ZnO SL are explored based on hybrid density functional calculation. The negative interface formation energies suggest the formation of CdZnHT is exothermic. The bandgap of CdZnHT is favorable for absorbing visible light, and the decent band edge position makes it thermodynamically feasible for spontaneous generation of oxygen and hydrogen. The formed electric field across the interface induced by charge transfer will reduce photogenerated carrier recombination and promote carrier migration. Particularly, CdZnHT is a type-II heterostructure. Oxygen generation takes place at ZnO layer and hydrogen production occurs at CdS layer, which will also promote the effective separation and migration of phogogenerated carriers and enhance photocatalytic performance. These findings suggest that 2D CdZnHTs are possible candidates as water-splitting photocatalysts.
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Affiliation(s)
- Guangzhao Wang
- School of Electronic Information Engineering, Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing, Yangtze Normal University, Chongqing 408100, People's Republic of China. Those authors contributed equally to this work
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94
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Hexagonal Boron Nitride Supported N-Heterocyclic Carbene-Palladium(II): A New, Efficient and Recyclable Heterogeneous Catalyst for Suzuki–Miyaura Cross-Coupling Reaction. Catal Letters 2020. [DOI: 10.1007/s10562-020-03401-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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95
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Chao Y, Tang B, Luo J, Wu P, Tao D, Chang H, Chu X, Huang Y, Li H, Zhu W. Hierarchical porous boron nitride with boron vacancies for improved adsorption performance to antibiotics. J Colloid Interface Sci 2020; 584:154-163. [PMID: 33069015 DOI: 10.1016/j.jcis.2020.09.075] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 09/18/2020] [Accepted: 09/20/2020] [Indexed: 12/14/2022]
Abstract
Designing atomically defective adsorbents with high specific surface area has emerged as a promising approach to improve sorption properties. Herein, hierarchical porous boron nitride nanosheets with boron vacancies (Bv-BNNSs) were in-situ synthesized via a one-step ZnCl2-assisted strategy. Being benefitted from the dual-functional template of zinc salt, highly-active boron vacancies and abundant hierarchical pores were simultaneously generated in the Bv-BNNSs framework. By employing the boron vacancies engineering strategy, the morphological and electronic structures were controllably tuned. Meanwhile, the specific surface area was improved to as high as 1104 m2/g. Owning to the abundance of accessible surface active-sites, the sorption capacity to antibiotic tetracycline (TC) on Bv-BNNSs was boosted by 38% compared to the pristine boron nitride nanosheets (BNNSs). Detailed fitting results showed that TC sorption on Bv-BNNSs obeyed the pseudo-second order kinetic equation and the Freundlich isotherm model. The pi - pi interaction with a multi-layered stacking form was proposed as the dominated sorption mechanism. Furthermore, DFT calculations verified that the interaction energy between Bv-BNNSs and TC was enhanced. The high activity, excellent selectivity, and remarkable durability of the Bv-BNNSs nanomaterial suggest the great potential in practical wastewater treatment.
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Affiliation(s)
- Yanhong Chao
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China; School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Baichuan Tang
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, PR China
| | - Jing Luo
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Peiwen Wu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Duanjian Tao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, PR China
| | - Honghong Chang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Xiaozhong Chu
- School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian 223300, PR China
| | - Yan Huang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Hongping Li
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Wenshuai Zhu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
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96
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Pan D, Su F, Liu H, Ma Y, Das R, Hu Q, Liu C, Guo Z. The Properties and Preparation Methods of Different Boron Nitride Nanostructures and Applications of Related Nanocomposites. CHEM REC 2020; 20:1314-1337. [PMID: 32959523 DOI: 10.1002/tcr.202000079] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/26/2020] [Indexed: 12/14/2022]
Abstract
Due to special non-metallic polar bond between the III group (with certain metallic properties) element boron (B) and the V group element nitrogen (N), boron nitride (BN) has unique physical and chemical properties such as strong high-temperature resistance, oxidation resistance, heat conduction, electrical insulation and neutron absorption. Its unique lamellar, reticular and tubular morphologies and physicochemical properties make it attractive in the fields of adsorption, catalysis, hydrogen storage, thermal conduction, insulation, dielectric substrate of electronic devices, radiation protection, polymer composites, medicine, etc. Therefore, the synthesis and properties of BN derived materials become the main research hotspots of low-dimensional nanomaterials. This paper reviews the synthetic methods, overall properties, and applications of BN nanostructures and nanocomposites. In addition, challenges and prospect of this kind of materials are discussed.
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Affiliation(s)
- Duo Pan
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Fengmei Su
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Hu Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Yong Ma
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, China
| | - Rajib Das
- Oxea Chemical company (OQ), Bay City, Texas 77414, USA
| | - Qian Hu
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Chuntai Liu
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education; National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou, 450002, China
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
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97
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Sun C, Zhao J, Zhang D, Guo H, Wang X, Hu H. Covalent functionalization of boron nitride nanosheets via reductive activation. NANOSCALE 2020; 12:18379-18389. [PMID: 32870231 DOI: 10.1039/d0nr02850a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hexagonal boron nitride is well known for its unique structure and excellent physical properties, particularly in hexagonal boron nitride nanosheets (BNNSs) with high potential in multiple technological applications. However, its severe layer-by-layer aggregation and incompatibility with processing liquids or condensed phase materials pose a great challenge. Covalent functionalization of BNNSs has been a common approach to address these critical issues, yet it is extremely difficult to carry out due to the chemical inertness of BNNSs. In this study, we report a novel and general route to covalently functionalize BNNSs via a simple reduction reaction. This involves initial negative charging through effective reductive activation which enables subsequent reactions with various organic alkyl halides. Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and thermogravimetric analysis (TGA) results confirm that linear alkyl chains with varying lengths are successfully grafted onto BNNSs, which leads to matched compatibility with organic media and the exfoliation level of few-layer thickness. The increase of the alkyl chain length considerably promotes their solubility in organic solvents with iodoalkanes as the most efficient grafting agents. Incorporation of alkylated BNNSs into a polymer matrix at low filler loadings leads to significant enhancements in mechanical properties over neat polymers, suggesting their exceptional reinforcement for polymer nanocomposites. This facile and scalable reductive chemistry route is applicable to versatile chemical modifications of BNNSs with diverse functional groups and grafting agents by reactions with suitable electrophiles.
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Affiliation(s)
- Changjiu Sun
- Key Laboratory of Rubber-Plastics Ministry of Education/Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science & Technology, No. 53 Zhengzhou Road, Qingdao 266042, China
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98
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Theoretical study of the adsorption of amantadine on pristine, Al-, Ga-, P-, and As-doped boron nitride nanosheets: a PBC-DFT, NBO, and QTAIM study. Theor Chem Acc 2020. [DOI: 10.1007/s00214-020-02672-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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99
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Abstract
Since the discovery of graphene, there has been increasing interest in two-dimensional (2D) materials. To realize practical applications of 2D materials, it is essential to isolate mono- or few-layered 2D nanosheets from unexfoliated counterparts. Liquid phase exfoliation (LPE) is the most common technique to produce atomically thin-layered 2D nanosheets. However, low production yield and prolonged process time remain key challenges. Recently, novel exfoliation processes based on microfluidics have been developed to achieve rapid and high yield production of few-layer 2D nanosheets. We review the primary types of microfluidic-based exfoliation techniques in terms of the underlying process mechanisms and the applications of the 2D nanosheets thus produced. The key challenges and future directions are discussed in the above context to delineate future research directions in this exciting area of materials processing.
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100
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Recent Progress in the Study of Thermal Properties and Tribological Behaviors of Hexagonal Boron Nitride-Reinforced Composites. JOURNAL OF COMPOSITES SCIENCE 2020. [DOI: 10.3390/jcs4030116] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Ever-increasing significance of composite materials with high thermal conductivity, low thermal expansion coefficient and high optical bandgap over the last decade, have proved their indispensable roles in a wide range of applications. Hexagonal boron nitride (h-BN), a layered material having a high thermal conductivity along the planes and the band gap of 5.9 eV, has always been a promising candidate to provide superior heat transfer with minimal phonon scattering through the system. Hence, extensive researches have been devoted to improving the thermal conductivity of different matrices by using h-BN fillers. Apart from that, lubrication property of h-BN has also been extensively researched, demonstrating the effectivity of this layered structure in reduction of friction coefficient, increasing wear resistance and cost-effectivity of the process. Herein, an in-depth discussion of thermal and tribological properties of the reinforced composite by h-BN will be provided, focusing on the recent progress and future trends.
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