901
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Zheng M, Chen X, Bae IT, Ke C, Park C, Smith MW, Jordan K. Radial mechanical properties of single-walled boron nitride nanotubes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2012; 8:116-121. [PMID: 22081558 DOI: 10.1002/smll.201100946] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2011] [Revised: 07/14/2011] [Indexed: 05/31/2023]
Abstract
The radial mechanical properties of single-walled boron nitride nanotubes (SW-BNNTs) are investigated by atomic force microscopy. Nanomechanical measurements reveal the radial deformation of individual SW-BNNTs in both elastic and plastic regimes. The measured effective radial elastic moduli of SW-BNNTs are found to follow a decreasing trend with an increase in tube diameter, ranging from 40.78 to 1.85 GPa for tube diameters of 0.58 to 2.38 nm. The results show that SW-BNNTs have relatively lower effective radial elastic moduli than single-walled carbon nanotubes (SWCNTs). The axially strong, but radially supple characteristics suggest that SW-BNNTs may be superior to SWCNTs as reinforcing additives for nanocomposite applications.
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Affiliation(s)
- Meng Zheng
- Department of Mechanical Engineering, State University of New York at Binghamton, Binghamton, NY 13902, USA
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902
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Ma C, Shao X, Cao D. Nitrogen-doped graphene nanosheets as anode materials for lithium ion batteries: a first-principles study. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm00166g] [Citation(s) in RCA: 452] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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903
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Pakdel A, Wang X, Zhi C, Bando Y, Watanabe K, Sekiguchi T, Nakayama T, Golberg D. Facile synthesis of vertically aligned hexagonal boron nitride nanosheets hybridized with graphitic domains. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm15109j] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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904
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Thompson J, Crossley A, Nellist PD, Nicolosi V. Single-step exfoliation and chemical functionalisation of graphene and hBN nanosheets with nickel phthalocyanine. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm34854c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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905
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Zhao Y, Wu X, Yang J, Zeng XC. Oxidation of a two-dimensional hexagonal boron nitride monolayer: a first-principles study. Phys Chem Chem Phys 2012; 14:5545-50. [DOI: 10.1039/c2cp40081b] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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906
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Zhang X, Lian G, Zhang S, Cui D, Wang Q. Boron nitride nanocarpets: controllable synthesis and their adsorption performance to organic pollutants. CrystEngComm 2012. [DOI: 10.1039/c2ce06748j] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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907
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Tang P, Zou X, Wang S, Wu J, Liu H, Duan W. Electronic and magnetic properties of boron nitride nanoribbons with topological line defects. RSC Adv 2012. [DOI: 10.1039/c2ra20306e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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908
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Gao Z, Zhi C, Bando Y, Golberg D, Komiyama M, Serizawa T. Efficient disentanglement of boron nitride nanotubes using water-soluble polysaccharides for protein immobilization. RSC Adv 2012. [DOI: 10.1039/c2ra20765f] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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909
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Yu J, Huang X, Wu C, Wu X, Wang G, Jiang P. Interfacial modification of boron nitride nanoplatelets for epoxy composites with improved thermal properties. POLYMER 2012. [DOI: 10.1016/j.polymer.2011.12.040] [Citation(s) in RCA: 365] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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910
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McCulloch D, Lau D, Nicholls R, Perkins J. The near edge structure of cubic boron nitride. Micron 2012; 43:43-8. [DOI: 10.1016/j.micron.2011.07.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 06/16/2011] [Accepted: 07/07/2011] [Indexed: 11/26/2022]
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911
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Zhao JX, Yu YY, Bai Y, Lu B, Wang BX. Chemical functionalization of BN graphene with the metal-arene group: a theoretical study. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm30580a] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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912
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Chemical Vapor Deposition of Hexagonal Boron Nitride. E-JOURNAL OF SURFACE SCIENCE AND NANOTECHNOLOGY 2012. [DOI: 10.1380/ejssnt.2012.133] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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913
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Jackson KT, Reich TE, El-Kaderi HM. Targeted synthesis of a porous borazine-linked covalent organic framework. Chem Commun (Camb) 2012; 48:8823-5. [DOI: 10.1039/c2cc33583b] [Citation(s) in RCA: 161] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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914
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Boldrin L, Scarpa F, Chowdhury R, Adhikari S. Effective mechanical properties of hexagonal boron nitride nanosheets. NANOTECHNOLOGY 2011; 22:505702. [PMID: 22108443 DOI: 10.1088/0957-4484/22/50/505702] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
We propose an analytical formulation to extract from energy equivalence principles the equivalent thickness and in-plane mechanical properties (tensile and shear rigidity, and Poisson's ratio) of hexagonal boron nitride (h-BN) nanosheets. The model developed provides not only very good agreement with existing data available in the open literature from experimental, density functional theory (DFT) and molecular dynamics (MD) simulations, but also highlights the specific deformation mechanisms existing in boron nitride sheets, and their difference with carbon-based graphitic systems.
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Affiliation(s)
- L Boldrin
- Advanced Composites Centre for Innovation and Science (ACCIS), University of Bristol, Bristol BS8 1TR, UK.
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915
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Role of the Support Effects on the Catalytic Activity of Gold Clusters: A Density Functional Theory Study. Catalysts 2011. [DOI: 10.3390/catal1010018] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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916
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A Mixed-Solvent Strategy for Efficient Exfoliation of Inorganic Graphene Analogues. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201105364] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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917
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Zhou KG, Mao NN, Wang HX, Peng Y, Zhang HL. A Mixed-Solvent Strategy for Efficient Exfoliation of Inorganic Graphene Analogues. Angew Chem Int Ed Engl 2011; 50:10839-42. [DOI: 10.1002/anie.201105364] [Citation(s) in RCA: 737] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Indexed: 11/11/2022]
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918
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Abstract
Water molecules confined to pores with sub-nanometre diameters form single-file hydrogen-bonded chains. In such nanoscale confinement, water has unusual physical properties that are exploited in biology and hold promise for a wide range of biomimetic and nanotechnological applications. The latter can be realized by carbon and boron nitride nanotubes which confine water in a relatively non-specific way and lend themselves to the study of intrinsic properties of single-file water. As a consequence of strong water-water hydrogen bonds, many characteristics of single-file water are conserved in biological and synthetic pores despite differences in their atomistic structures. Charge transport and orientational order in water chains depend sensitively on and are mainly determined by electrostatic effects. Thus, mimicking functions of biological pores with apolar pores and corresponding external fields gives insight into the structure-function relation of biological pores and allows the development of technical applications beyond the molecular devices found in living systems. In this Perspective, we revisit results for single-file water in apolar pores, and examine the similarities and the differences between these simple systems and water in more complex pores.
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Affiliation(s)
- Jürgen Köfinger
- Laboratory of Chemical Physics, Bldg. 5, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA
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919
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Whittell GR, Manners I. Advances with Ammonia-Borane: Improved Recycling and Use as a Precursor to Atomically Thin BN Films. Angew Chem Int Ed Engl 2011; 50:10288-9. [DOI: 10.1002/anie.201103830] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Indexed: 11/09/2022]
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920
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Whittell GR, Manners I. Fortschritte bei Ammoniak-Boran: verbessertes Recycling und Einsatz als Vorstufe für BN-Einzelschichten. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201103830] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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921
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Selective synthesis of boron nitride nanotubes by self-propagation high-temperature synthesis and annealing process. J SOLID STATE CHEM 2011. [DOI: 10.1016/j.jssc.2011.07.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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922
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Liu Y, Bhowmick S, Yakobson BI. BN white graphene with "colorful" edges: the energies and morphology. NANO LETTERS 2011; 11:3113-6. [PMID: 21732643 DOI: 10.1021/nl2011142] [Citation(s) in RCA: 145] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Interfaces play a key role in low dimensional materials like graphene or its boron nitrogen analog, white graphene. The edge energy of hexagonal boron nitride (h-BN) has not been determined as its lower symmetry makes it difficult to separate the opposite B-rich and N-rich zigzag sides. We report unambiguous energy values for arbitrary edges of BN, including the dependence on the elemental chemical potentials of B and N species. A useful manifestation of the additional Gibbs degree of freedom in the binary system, this dependence offers a way to control the morphology of pure BN or its carbon inclusions and to engineer their electronic and magnetic properties.
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Affiliation(s)
- Yuanyue Liu
- Department of Mechanical Engineering and Materials Science, Rice University, Houston, Texas 77005, United States
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923
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Arenal R, Wang MS, Xu Z, Loiseau A, Golberg D. Young modulus, mechanical and electrical properties of isolated individual and bundled single-walled boron nitride nanotubes. NANOTECHNOLOGY 2011; 22:265704. [PMID: 21576807 DOI: 10.1088/0957-4484/22/26/265704] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The Young modulus of individual single-walled boron nitride nanotubes (SW-BNNTs) was determined using a high-resolution transmission-electron microscope (HRTEM)-atomic force microscope (AFM) set-up. The Young modulus and maximum stress for these NTs were deduced from the analysis of the stress-strain curves, and discussed as a function of the considered value for the shell thickness of an SW-BNNT. The elastic properties of bundles of SW-BNNTs were also investigated. All these experiments revealed that SW-BNNTs are very flexible. Furthermore, the electrical behavior of these SW-BNNTs was also analyzed employing a scanning tunneling microscope (STM) holder integrated with the same HRTEM. I/V curves were measured on individual tubes as well as on bundles of SW-BNNTs.
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Affiliation(s)
- Raul Arenal
- Laboratoire d'Etude des Microstructures (LEM), ONERA-CNRS, Châtillon, France.
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924
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Orlando R, Bast R, Ruud K, Ekström U, Ferrabone M, Kirtman B, Dovesi R. The First and Second Static Electronic Hyperpolarizabilities of Zigzag Boron Nitride Nanotubes. An ab Initio Approach through the Coupled Perturbed Kohn–Sham Scheme. J Phys Chem A 2011; 115:12631-7. [DOI: 10.1021/jp203237m] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Roberto Orlando
- Dipartimento di Scienze e Tecnologie Avanzate, Università del Piemonte Orientale, Viale T. Michel 11, 15121 Alessandria, Italy,
| | - Radovan Bast
- Centre for Theoretical and Computational Chemistry (CTCC), Department of Chemistry, University of Tromsø, Tromsø N.9037, Norway,
| | - Kenneth Ruud
- Centre for Theoretical and Computational Chemistry (CTCC), Department of Chemistry, University of Tromsø, Tromsø N.9037, Norway,
| | - Ulf Ekström
- Centre for Theoretical and Computational Chemistry (CTCC), Department of Chemistry, University of Oslo, P.O. Box 1033 Blindern, N.0315 Oslo, Norway,
| | - Matteo Ferrabone
- Dipartimento di Chimica IFM, Università di Torino and NIS - Nanostructured Interfaces and Surfaces - Centre of Excellence, , Via P. Giuria 7, 10125 Torino, Italy, and
| | - Bernard Kirtman
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, United States
| | - Roberto Dovesi
- Dipartimento di Chimica IFM, Università di Torino and NIS - Nanostructured Interfaces and Surfaces - Centre of Excellence, , Via P. Giuria 7, 10125 Torino, Italy, and
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925
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Enyashin A, Ivanovskii A. Graphene-like BN allotropes: Structural and electronic properties from DFTB calculations. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2011.04.081] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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926
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Horváth L, Magrez A, Golberg D, Zhi C, Bando Y, Smajda R, Horváth E, Forró L, Schwaller B. In vitro investigation of the cellular toxicity of boron nitride nanotubes. ACS NANO 2011; 5:3800-10. [PMID: 21495683 DOI: 10.1021/nn200139h] [Citation(s) in RCA: 120] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Nanotubes present one of the most promising opportunities in nanotechnology with a plethora of applications in nanoelectronics, mechanical engineering, as well as in biomedical technology. Due to their structure and some physical properties, boron nitride (BN) nanotubes (BNNTs) possess several advantages over carbon nanotubes (CNTs), and they are now commercially produced and used on a large scale. The human and environmental exposure to BN nanomaterials is expected to increase in the near future, and their biological responses need to be examined. Using complementary assays, we have extensively investigated the effects of BNNTs on the viability and metabolic status of different cell types: on the one hand, the effects on cells present in the lung alveoli, and on the other hand, on human embryonic kidney (HEK) cells. Our results indicate that BNNTs are cytotoxic for all cell types studied and, in most cases, are more cytotoxic than CNTs in their pristine (p-CNT) and functionalized (f-CNT) form. However, the level of toxicity and the prominent morphological alterations in the cell populations withstanding BNNT exposure are cell-type-dependent. For instance, BNNTs induced extensive multinucleated giant cell formation in macrophages and increased levels of eosinophilia in fibroblasts. Finally, our results point the toxicity of tubular nanomaterials to be strongly correlated with the cellular accumulation enhanced for straight nanotubes.
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Affiliation(s)
- Lenke Horváth
- Laboratory of Physics of Complex Matter (LPMC), Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
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927
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Wei X, Wang MS, Bando Y, Golberg D. Electron-beam-induced substitutional carbon doping of boron nitride nanosheets, nanoribbons, and nanotubes. ACS NANO 2011; 5:2916-22. [PMID: 21425863 DOI: 10.1021/nn103548r] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Substitutional carbon doping of the honeycomb-like boron nitride (BN) lattices in two-dimensional (nanosheets) and one-dimensional (nanoribbons and nanotubes) nanostructures was achieved via in situ electron beam irradiation in an energy-filtering 300 kV high-resolution transmission electron microscope using a C atoms feedstock intentionally introduced into the microscope. The C substitutions for B and N atoms in the honeycomb lattices were demonstrated through electron energy loss spectroscopy, spatially resolved energy-filtered elemental mapping, and in situ electrical measurements. The preferential doping was found to occur at the sites more vulnerable to electron beam irradiation. This transformed BN nanostructures from electrical insulators to conductors. It was shown that B and N atoms in a BN nanotube could be nearly completely replaced with C atoms via electron-beam-induced doping. The doping mechanism was proposed to rely on the knockout ejections of B and N atoms and subsequent healing of vacancies with supplying C atoms.
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Affiliation(s)
- Xianlong Wei
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki, 305-0044, Japan.
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928
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Huang Y, Lin J, Tang C, Bando Y, Zhi C, Zhai T, Dierre B, Sekiguchi T, Golberg D. Bulk synthesis, growth mechanism and properties of highly pure ultrafine boron nitride nanotubes with diameters of sub-10 nm. NANOTECHNOLOGY 2011; 22:145602. [PMID: 21346299 DOI: 10.1088/0957-4484/22/14/145602] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
As a structural analogue of the carbon nanotube (CNT), the boron nitride nanotube (BNNT) has become one of the most intriguing non-carbon nanostructures. However, up to now the pre-existing restrictions/limitations of BNNT syntheses have made the progress in their research rather modest. This work presents a new route toward the synthesis of highly pure ultrafine BNNTs based on a modified boron oxide (BO) CVD method. A new effective precursor--a mixture of Li₂O and B--has been proposed for the growth of thin, few-layer BNNTs in bulk amounts. The Li₂O utilized as the precursor plays the crucial role for the present nanotube growth. The prepared BNNTs have average external diameters of sub-10 nm and lengths of up to tens of µm. Electron energy loss spectrometry and Raman spectroscopy demonstrate the ultimate phase purity of the ultrafine BNNTs. Property studies indicate that the ultrafine nanotubes are perfect electrical insulators exhibiting superb resistance to oxidation and strong UV emission. Moreover, their reduced diameters lead to a dramatically decreased population of defects within the tube walls and result in the observation of near-band-edge (NBE) emission at room temperature.
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Affiliation(s)
- Yang Huang
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan.
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929
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Zhai T, Li L, Ma Y, Liao M, Wang X, Fang X, Yao J, Bando Y, Golberg D. One-dimensional inorganic nanostructures: synthesis, field-emission and photodetection. Chem Soc Rev 2011; 40:2986-3004. [PMID: 21409231 DOI: 10.1039/c0cs00126k] [Citation(s) in RCA: 156] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
One-dimensional inorganic nanostructures have drawn prime attention due to their potential for understanding fundamental physical concepts and constructing nanoscale electronic and optoelectronic devices. This critical review mainly focuses on our recent research progresses in 1D inorganic nanostructures, including their rational synthesis and potential applications, with an emphasis on field-emitter and photodetector applications. Firstly, we will discuss the rational design of synthetic strategies and the synthesis of 1D nanostructures via a vapour phase approach. Secondly, we will present our recent progresses with respect to several kinds of important inorganic nanostructures and their field-emission and photoconductivity characteristics. Finally, we conclude this review with some perspectives/outlook and future research in these fields (212 references).
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Affiliation(s)
- Tianyou Zhai
- International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan.
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930
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Zhang L, Gu Y, Wang J, Zhao G, Qian Q, Li J, Pan X, Zhang Z. Catalytic synthesis of bamboo-like multiwall BN nanotubes via SHS-annealing process. J SOLID STATE CHEM 2011. [DOI: 10.1016/j.jssc.2011.01.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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931
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Gao Z, Zhi C, Bando Y, Golberg D, Serizawa T. Noncovalent functionalization of disentangled boron nitride nanotubes with flavin mononucleotides for strong and stable visible-light emission in aqueous solution. ACS APPLIED MATERIALS & INTERFACES 2011; 3:627-32. [PMID: 21355547 DOI: 10.1021/am1010699] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Strong and stable visible-light-emitting boron nitride nanotube (BNNT)/biomolecule nanohybrids were successfully fabricated via noncovalent functionalization of BNNTs with flavin mononucleotides (FMN). Atomic force microscopy showed excellent dispersion of the nanohybrids in aqueous solution. Infrared absorption spectroscopy revealed strong π-π stacking interactions between FMN and BNNT sidewalls. Importantly, the fluorescence spectra revealed that the nanohybrids were highly fluorescent in the visible-light spectral range. Moreover, this fluorescence had unique pH-dependent and thermally stable properties. These nanohybrids might be used to construct novel fluorescence imaging probes that function over a wide pH and temperature range.
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Affiliation(s)
- Zhenghong Gao
- Department of Advanced Interdisciplinary Studies, Graduate School of Engineering, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan
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932
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Liu ZM, Zhu Y, Yang ZQ. Half metallicity and electronic structures in armchair BCN-hybrid nanoribbons. J Chem Phys 2011; 134:074708. [DOI: 10.1063/1.3553257] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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933
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Gorbachev RV, Riaz I, Nair RR, Jalil R, Britnell L, Belle BD, Hill EW, Novoselov KS, Watanabe K, Taniguchi T, Geim AK, Blake P. Hunting for monolayer boron nitride: optical and Raman signatures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2011; 7:465-8. [PMID: 21360804 DOI: 10.1002/smll.201001628] [Citation(s) in RCA: 439] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2010] [Indexed: 05/22/2023]
Affiliation(s)
- Roman V Gorbachev
- Centre for Mesoscience and Nanotechnology, University of Manchester, Manchester, UK
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934
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Mukherjee R, Bhowmick S. Edge Stabilities of Hexagonal Boron Nitride Nanoribbons: A First-Principles Study. J Chem Theory Comput 2011; 7:720-4. [DOI: 10.1021/ct1006345] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rajdip Mukherjee
- Department of Materials Engineering, Indian Institute of Science, Bangalore, India
| | - Somnath Bhowmick
- Materials Research Center, Indian Institute of Science, Bangalore, India
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935
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Bernard S, Salles V, Li J, Brioude A, Bechelany M, Demirci UB, Miele P. High-yield synthesis of hollow boron nitride nano-polyhedrons. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm10774g] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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936
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Chen ZG, Zou J. Field emitters: ultrathin BN nanosheets protruded from BN fibers. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm02955f] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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937
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Bechelany M, Brioude A, Bernard S, Stadelmann P, Cornu D, Miele P. Boron nitride multiwall nanotubes decorated with BN nanosheets. CrystEngComm 2011. [DOI: 10.1039/c1ce05508a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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938
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Wang Y, Shi Z, Yin J. Boron nitride nanosheets: large-scale exfoliation in methanesulfonic acid and their composites with polybenzimidazole. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm10342c] [Citation(s) in RCA: 193] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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939
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Cao X, Li Y, Cheng X, Zhang Y. Structural analogues of graphyne family: New types of boron nitride sheets with wide band gap and strong UV absorption. Chem Phys Lett 2011. [DOI: 10.1016/j.cplett.2010.12.060] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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940
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Zeng H, Zhi C, Zhang Z, Wei X, Wang X, Guo W, Bando Y, Golberg D. "White graphenes": boron nitride nanoribbons via boron nitride nanotube unwrapping. NANO LETTERS 2010; 10:5049-5055. [PMID: 21028887 DOI: 10.1021/nl103251m] [Citation(s) in RCA: 323] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Inspired by rich physics and functionalities of graphenes, scientists have taken an intensive interest in two-dimensional (2D) crystals of h-BN (analogue of graphite, so-called "white" graphite). Recent calculations have predicted the exciting potentials of BN nanoribbons in spintronics due to tunable magnetic and electrical properties; however no experimental evidence has been provided since fabrication of such ribbons remains a challenge. Here, we show that few- and single-layered BN nanoribbons, mostly terminated with zigzag edges, can be produced under unwrapping multiwalled BN nanotubes through plasma etching. The interesting stepwise unwrapping and intermediate states were observed and analyzed. Opposed to insulating primal tubes, the nanoribbons become semiconducting due to doping-like conducting edge states and vacancy defects, as revealed by structural analyses and ab initio simulations. This study paves the way for BN nanoribbon production and usage as functional semiconductors with a wide range of applications in optoelectronics and spintronics.
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Affiliation(s)
- Haibo Zeng
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
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941
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Raidongia K, Gomathi A, Rao CNR. Synthesis and Characterization of Nanoparticles, Nanotubes, Nanopans, and Graphene-like Structures of Boron Nitride. Isr J Chem 2010. [DOI: 10.1002/ijch.201000047] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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942
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Golberg D, Bando Y, Huang Y, Xu Z, Wei X, Bourgeois L, Wang MS, Zeng H, Lin J, Zhi C. Recent Advances in Boron Nitride Nanotubes and Nanosheets. Isr J Chem 2010. [DOI: 10.1002/ijch.201000049] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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943
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Wei X, Wang MS, Bando Y, Golberg D. Post-Synthesis Carbon Doping of Individual Multiwalled Boron Nitride Nanotubes via Electron-Beam Irradiation. J Am Chem Soc 2010; 132:13592-3. [DOI: 10.1021/ja106134s] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xianlong Wei
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Ming-Sheng Wang
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Yoshio Bando
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Dmitri Golberg
- International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
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944
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Song L, Ci L, Lu H, Sorokin PB, Jin C, Ni J, Kvashnin AG, Kvashnin DG, Lou J, Yakobson BI, Ajayan PM. Large scale growth and characterization of atomic hexagonal boron nitride layers. NANO LETTERS 2010; 10:3209-15. [PMID: 20698639 DOI: 10.1021/nl1022139] [Citation(s) in RCA: 959] [Impact Index Per Article: 68.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Hexagonal boron nitride (h-BN), a layered material similar to graphite, is a promising dielectric. Monolayer h-BN, so-called "white graphene", has been isolated from bulk BN and could be useful as a complementary two-dimensional dielectric substrate for graphene electronics. Here we report the large area synthesis of h-BN films consisting of two to five atomic layers, using chemical vapor deposition. These atomic films show a large optical energy band gap of 5.5 eV and are highly transparent over a broad wavelength range. The mechanical properties of the h-BN films, measured by nanoindentation, show 2D elastic modulus in the range of 200-500 N/m, which is corroborated by corresponding theoretical calculations.
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Affiliation(s)
- Li Song
- Department of Mechanical Engineering & Materials Science, Rice University, Houston, Texas 77005, USA
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