1
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Al-, Ga-, and In-decorated BP nanotubes as chemical sensors for 2-chloroethanol. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02952-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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2
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Abdalkareem Jasim S, Al-Gazally ME, Jade Catalan Opulencia M, Kadhim MM, Mahdi AB, Thaeer Hammid A, Ghaffar Ebadi A. Toxic hydrazoic acid vapor detection and adsorption by different metal-decorated BN nanotubes: a first-principles study. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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3
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Poor Heravi MR, Azizi B, Abdulkareem Mahmood E, Ebadi AG, Ansari MJ, Soleimani-Amiri S. Molecular simulation of the paracetamol drug interaction with Pt-decorated BC3 graphene-like nanosheet. MOLECULAR SIMULATION 2022. [DOI: 10.1080/08927022.2022.2030861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
| | - Bayan Azizi
- College of Health Sciences, University of Human Development, Sulaimaniyah, Kurdistan region of Iraq
| | - Evan Abdulkareem Mahmood
- College of Health Sciences, University of Human Development, Sulaimaniyah, Kurdistan region of Iraq
| | - Abdol Ghaffar Ebadi
- Department of Agriculture, Jouybar Branch, Islamic Azad University, Jouybar, Iran
| | - Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj, Saudi Arabia
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4
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Zhang Q, Zhang D, Zhou Y, Qian J, Wen X, Jiang P, Ma L, Lu C, Feng F, Zhang Q, Li X. Preparation of Heteroatom‐Doped Carbon Materials and Applications in Selective Hydrogenation. ChemistrySelect 2022. [DOI: 10.1002/slct.202102581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qunfeng Zhang
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Deshuo Zhang
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Yuan Zhou
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Jiacheng Qian
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Xiaoyu Wen
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Piaopiao Jiang
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Lei Ma
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Chunshan Lu
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Feng Feng
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Qunfeng Zhang
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
| | - Xiaonian Li
- Industrial Catalysis Institute of Zhejiang University of Technology State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology Hangzhou 310032 People's Republic of China
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5
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Gao J, Ma C, Kumar A. Au-decorated semiconducting AlN nanosheet as an electronic sensor for theophylline drug. MOLECULAR SIMULATION 2021. [DOI: 10.1080/08927022.2021.1888947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Jinhong Gao
- School of Chemistry and Materials, Weinan Normal University, Weinan, Shaanxi, People’s Republic of China
| | - Cunhua Ma
- School of Chemistry and Chemical Engineering, Qinghai Normal University, Xining, Qinghai, People’s Republic of China
| | - Ajit Kumar
- Department of Chemistry, University of Delhi, Delhi, India
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6
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A DFT study on the electronic detection of mercaptopurine drug by boron carbide nanosheets. COMPUT THEOR CHEM 2021. [DOI: 10.1016/j.comptc.2021.113166] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Rigosi AF, Levy AL, Snure MR, Glavin NR. Turn of the decade: versatility of 2D hexagonal boron nitride. JPHYS MATERIALS 2021; 4:10.1088/2515-7639/abf1ab. [PMID: 34409257 PMCID: PMC8370033 DOI: 10.1088/2515-7639/abf1ab] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The era of two-dimensional (2D) materials, in its current form, truly began at the time that graphene was first isolated just over 15 years ago. Shortly thereafter, the use of 2D hexagonal boron nitride (h-BN) had expanded in popularity, with use of the thin isolator permeating a significant number of fields in condensed matter and beyond. Due to the impractical nature of cataloguing every use or research pursuit, this review will cover ground in the following three subtopics relevant to this versatile material: growth, electrical measurements, and applications in optics and photonics. Through understanding how the material has been utilized, one may anticipate some of the exciting directions made possible by the research conducted up through the turn of this decade.
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Affiliation(s)
- Albert F Rigosi
- Physical Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899, United States
| | - Antonio L Levy
- Physical Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD 20899, United States
| | - Michael R Snure
- Sensors Directorate, Air Force Research Laboratory, Wright-Patterson AFB, OH 45433, United States
| | - Nicholas R Glavin
- Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, OH 45433, United States
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8
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A computational study on the thioguanine drug interaction with silicon carbide graphyne-like nanosheets. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02706-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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9
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Wu M, Kumar A. Pt-decorated graphene-like AlN nanosheet as a biosensor for tioguanine drug: A computational study. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2020.112976] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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10
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Jiang J, Yan T, Cui D, Wang J, Shen J, Guo F, Lin Y. A DFT study on the effect of Au-decoration on the interaction of adrucil drug with BC2N nanotubes in the gas phase and aqueous solution. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113741] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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11
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Abdolahi N, Javan MB, Katin KP, Soltani A, Shojaee S, Kaveh S. The study of thiazole adsorption upon BC2N nanotube: DFT/TD-DFT investigation. Struct Chem 2020. [DOI: 10.1007/s11224-020-01557-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Guan Z, Ni S, Hu S. Tuning the Electronic and Magnetic Properties of Graphene Flake Embedded in Boron Nitride Nanoribbons with Transverse Electric Fields: First-Principles Calculations. ACS OMEGA 2019; 4:10293-10300. [PMID: 31460121 PMCID: PMC6648609 DOI: 10.1021/acsomega.9b00752] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 04/24/2019] [Indexed: 06/10/2023]
Abstract
The electronic and magnetic properties of h-BN nanoribbions embedded with graphene nanoflakes (CBNNRs) are systematically studied by ab initio calculations. The CBNNRs with zigzag or armchair edges are all bipolar magnetic semiconductors (BMSs). The band gaps of zigzag CBNNRs (zCBNNRs) change linearly with the transverse electric field (E-field) for the first-order Stark effect, whereas for the armchair CBNNRs (aCBNNRs), the band gaps vary quadratically with the E-field for the second-order Stark effect. For zCBNNRs and aCBNNRs, they could transform from BMS to spin gapless semiconductor (SGS), metal, and half-metal (HM) under different transverse E-fields. The CBNNRs may transform into a semiconductor or HM, under the same E-fields, depending on the position of graphene flakes. The CBNNRs introduce local magnetic moment at carbon atoms, and the magnetic moment is determined by the size of the graphene flakes. These observations open the door to applications of CBNNRs in spintronic devices.
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Affiliation(s)
- Zhaoyong Guan
- School
of Chemistry and Chemical Engineering, Shandong
University, Jinan 250100, P. R. China
- Department
of Physics, Tsinghua University, Beijing 100084, P. R. China
| | - Shuang Ni
- Research Center of Laser
Fusion and Institute of Nuclear Physics and
Chemistry, China Academy of Engineering
Physics, Mianyang, Sichuan 621900, P. R. China
| | - Shuanglin Hu
- Research Center of Laser
Fusion and Institute of Nuclear Physics and
Chemistry, China Academy of Engineering
Physics, Mianyang, Sichuan 621900, P. R. China
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13
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Baysal M, Bilge K, Yıldızhan MM, Yorulmaz Y, Öncel Ç, Papila M, Yürüm Y. Catalytic synthesis of boron nitride nanotubes at low temperatures. NANOSCALE 2018; 10:4658-4662. [PMID: 29465128 DOI: 10.1039/c7nr08084k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
KFeO2 is demonstrated to be an efficient catalyst for the formation of boron nitride nanotubes (BNNT) by thermal chemical vapor deposition (TCVD). This alkali-based catalyst enables the formation of crystalline, multi-walled BNNTs with high aspect ratio at temperatures as low as 750 °C, significantly lower than those typically required for the product formation by TCVD.
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Affiliation(s)
- Mustafa Baysal
- Sabanci University, Faculty of Engineering and Natural Sciences, Materials Science and NanoEngineering, Tuzla 34956, İstanbul, Turkey.
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14
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Ahmad P, Khandaker MU, Khan ZR, Amin YM. Synthesis of boron nitride nanotubes via chemical vapour deposition: a comprehensive review. RSC Adv 2015. [DOI: 10.1039/c5ra01594d] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Boron nitride nanotubes (BNNTs) have been synthesized by various methods over the last two decades.
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Affiliation(s)
- Pervaiz Ahmad
- Department of Physics
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | | | - Ziaul Raza Khan
- Department of Physics
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - Yusoff Mohd Amin
- Department of Physics
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
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15
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Buranova YS, Kulnitskiy BA, Perezhogin IA, Blank VD. Structure of boron nitride nanotubes. CRYSTALLOGR REP+ 2015. [DOI: 10.1134/s1063774514060054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Lemos de Melo J, Azevedo S, Kaschny J. Effect of an electric field on the properties of BN Möbius stripes. J SOLID STATE CHEM 2014. [DOI: 10.1016/j.jssc.2014.05.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Qiu NX, Zhang CH, Xue Y. Tuning Hydrogen Storage in Lithium-Functionalized BC2N Sheets by Doping with Boron and Carbon. Chemphyschem 2014; 15:3015-25. [DOI: 10.1002/cphc.201402246] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Indexed: 11/10/2022]
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18
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Carbon Doping of Defect Sites in Stone–Wales Defective Boron-nitride Nanotubes: A Density Functional Theory Study. J CLUST SCI 2013. [DOI: 10.1007/s10876-013-0584-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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19
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Jayaramulu K, Kumar N, Hazra A, Maji TK, Rao CNR. A Nanoporous Borocarbonitride (BC4N) with Novel Properties Derived from a Boron-Imidazolate-Based Metal-Organic Framework. Chemistry 2013; 19:6966-70. [DOI: 10.1002/chem.201300054] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Indexed: 11/09/2022]
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20
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Rimola A, Sodupe M. Physisorption vs. chemisorption of probe molecules on boron nitride nanomaterials: the effect of surface curvature. Phys Chem Chem Phys 2013; 15:13190-8. [DOI: 10.1039/c3cp51728d] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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21
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Blank V, Ivanov L, Kulnitskiy B, Perezhogin I, Polyakov E, Semenov A. Structure of twisted BNC nanotubes with polygonal cross-section. ACTA CRYSTALLOGRAPHICA SECTION B: STRUCTURAL SCIENCE 2012; 68:543-8. [DOI: 10.1107/s0108768112034635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Accepted: 08/03/2012] [Indexed: 11/10/2022]
Abstract
BNC nanotubes and nanofibers have been synthesized in the high isostatic pressure apparatus in Ar at 1923 K and 1.5 MPa in the presence of yttrium aluminium garnet. Some of the nanotubes obtained were filled with Al2O3. Transmission electron microscopy (TEM) studies have shown that the nanotubes and nanofibers have a polygonal cross-section (prismatic shape), and most often they are twisted, which is due to the transversal instability of the nanotubes originating under the growth conditions, including temperature treatment. Twisting also revealed itself in the appearance of the moiré fringes during the TEM observation of some of the nanotubes and nanofibers. Analysis of these fringes has shown that the facets of these nanotubes represent the slightly misoriented hexagonal BN and/or C plates. An Al2O3 filling of the nanotube makes it harder to twist when subjected to torque, which conforms to the tube deformation theory.
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22
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Pakdel A, Zhi C, Bando Y, Nakayama T, Golberg D. A comprehensive analysis of the CVD growth of boron nitride nanotubes. NANOTECHNOLOGY 2012; 23:215601. [PMID: 22551670 DOI: 10.1088/0957-4484/23/21/215601] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Boron nitride nanotube (BNNT) films were grown on silicon/silicon dioxide (Si/SiO(2)) substrates by a catalytic chemical vapor deposition (CVD) method in a horizontal electric furnace. The effects of growth temperature and catalyst concentration on the morphology of the films and the structure of individual BNNTs were systematically investigated. The BNNT films grown at 1200 and 1300 °C consisted of a homogeneous dispersion of separate tubes in random directions with average outer diameters of ~30 and ~60 nm, respectively. Meanwhile, the films grown at 1400 °C comprised of BNNT bundles in a flower-like morphology, which included thick tubes with average diameters of ~100 nm surrounded by very thin ones with diameters down to ~10 nm. In addition, low catalyst concentration led to the formation of BNNT films composed of entangled curly tubes, while high catalyst content resulted in very thick tubes with diameters up to ~350 nm in a semierect flower-like morphology. Extensive transmission electron microscopy (TEM) investigations revealed the diameter-dependent growth mechanisms for BNNTs; namely, thin and thick tubes with closed ends grew by base-growth and tip-growth mechanisms, respectively. However, high catalyst concentration motivated the formation of filled-with-catalyst BNNTs, which grew open-ended with a base-growth mechanism.
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Affiliation(s)
- Amir Pakdel
- International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan.
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23
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Geometries and stabilities of transition metals doped perfect and Stone–Wales defective armchair (5,5) boron nitride nanotubes. Struct Chem 2012. [DOI: 10.1007/s11224-012-9988-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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24
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Kumar N, Raidongia K, Mishra AK, Waghmare UV, Sundaresan A, Rao C. Synthetic approaches to borocarbonitrides, BCxN (x=1–2). J SOLID STATE CHEM 2011. [DOI: 10.1016/j.jssc.2011.08.034] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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25
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Ghosh D, Periyasamy G, Pati SK. Density functional theoretical investigation of the aromatic nature of BN substituted benzene and four ring polyaromatic hydrocarbons. Phys Chem Chem Phys 2011; 13:20627-36. [PMID: 21935536 DOI: 10.1039/c1cp22104c] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We have studied the topological and local aromaticity of BN-substituted benzene, pyrene, chrysene, triphenylene and tetracene molecules. The nucleus-independent chemical shielding (NICS), harmonic oscillator model of aromaticity (HOMA), para-delocalization index (PDI) and aromatic fluctuation index (FLU) have been calculated to quantify aromaticity in terms of magnetic and structural criteria. We find that charge separations due to the introduction of heteroatoms largely affect both the local and topological aromaticity of these molecules. Our studies show that the presence of any kind of heteroatom in the ring not only reduces the local delocalization in the six membered ring, but also affects strongly the topological aromaticity. In fact, the relative orders of the topological and local aromaticity depend strongly on the position of the heteroatoms in the structure. In general, more ring shared BN containing molecules are less aromatic than the less ring shared BN molecules. In addition our results provide evidence that the structural stability of the molecule is dominated by the σ bond rather than the π bond.
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Affiliation(s)
- Dibyajyoti Ghosh
- Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P.O, Bangalore-560 064, India
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26
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Liu X, Ye S, Qiao Y, Dong G, Zhang Q, Qiu J. Facile synthetic strategy for efficient and multi-color fluorescent BCNO nanocrystals. Chem Commun (Camb) 2009:4073-5. [PMID: 19568637 DOI: 10.1039/b904567h] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile strategy based on the reaction of urea and boric acid is developed for the synthesis of toxicity-free BCNO nanocrystals containing carbon impurities and which exhibit efficient multi-color fluorescence under both single-photon and two-photon excitation.
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Affiliation(s)
- Xiaofeng Liu
- State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, PR China.
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27
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Abstract
The substitution of isoelectronic B–N units for C–C units in aromatic hydrocarbons produces novel heterocycles with structural similarities to the all-carbon frameworks, but with fundamentally altered electronic properties and chemistry. Since the pioneering work of Dewar some 50 years ago, the relationship between B–N and C–C and the wealth of parent all-carbon aromatics has captured the imagination of organic, inorganic, materials, and computational chemists alike, particularly in recent years. New applications in biological chemistry, new materials, and novel ligands for transition-metal complexes have emerged from these studies. This review is aimed at surveying activity in the area in the past couple of decades. Its organization is based on ring size and type of the all-carbon or heterocyclic subunit that the B–N analog is derived from. Structural aspects pertaining to the retention of aromaticity are emphasized, along with delineation of significant differences in physical properties of the B–N compound as compared to the C–C parent.Key words: boron-nitrogen heterocycles, aromaticity, organic materials, main-group chemistry.
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28
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Ivanovskii AL. Assemblies of carbon and boron-nitrogen nanotubes and fullerenes: Structure and properties. RUSS J INORG CHEM+ 2008. [DOI: 10.1134/s0036023608140015] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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29
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Terrones M, Charlier JC, Gloter A, Cruz-Silva E, Terrés E, Li YB, Vinu A, Zanolli Z, Dominguez JM, Terrones H, Bando Y, Golberg D. Experimental and theoretical studies suggesting the possibility of metallic boron nitride edges in porous nanourchins. NANO LETTERS 2008; 8:1026-1032. [PMID: 18333621 DOI: 10.1021/nl072713m] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
We first describe the synthesis of novel and highly porous boron nitride (BN) nanospheres (100-400 nm o.d.) that exhibit a rough surface consisting of open BN nanocones and corrugated BN ribbons. The material was produced by reacting B2O3 with nanoporous carbon spheres under nitrogen at ca. 1750 degrees C. The BN nanospheres were characterized using scanning electron microscopy, high-resolution electron microscopy, and electron energy loss spectroscopy. The porous BN spheres show relatively large surface areas of ca. 290 m2/g and exhibit surprisingly stable field emission properties at low turn-on voltages (e.g., 1-1.3 V/microm). We attribute these outstanding electron emission properties to the presence of finite BN ribbons located at the surface of the nanospheres (exhibiting zigzag edges), which behave like metals as confirmed by first-principles calculations. In addition, our ab initio theoretical results indicate that the work function associated to these zigzag BN ribbons is 1.3 eV lower when compared with BN-bulk material.
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Affiliation(s)
- M Terrones
- Advanced Materials Department, IPICYT, Camino a la Presa San José 2055, Col. Lomas 4 sección, San Luis Potosí 78216, México.
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30
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Li Y, Zhou Z, Zhao J. Functionalization of BN nanotubes with dichlorocarbenes. NANOTECHNOLOGY 2008; 19:015202. [PMID: 21730524 DOI: 10.1088/0957-4484/19/01/015202] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The geometric and electronic structures of dichlorocarbene (CCl(2)) functionalized BN nanotubes (BNNTs) were studied using density functional theory within the generalized gradient approximation. We found that the CCl(2) addition favors slanted B-N bonds in zigzag tubes, and the CCl(2)-attached BNNTs prefer open rather than closed three-membered-ring (3MR) structures in all the zigzag (n,0) BNNTs studied, whereas closed 3MR structure occurs in the CCl(2)-attached BN graphene layer. The binding energies decrease with increase of the CCl(2) coverage, but the electronic properties of BNNTs do not change significantly, irrespective of the CCl(2) coverage.
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Affiliation(s)
- Yafei Li
- Institute of New Energy Material Chemistry, Institute of Scientific Computing, Nankai University, Tianjin 300071, People's Republic of China
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31
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Li Y, Zhou Z, Zhao J. Transformation from chemisorption to physisorption with tube diameter and gas concentration: Computational studies on NH3 adsorption in BN nanotubes. J Chem Phys 2007; 127:184705. [DOI: 10.1063/1.2786112] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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32
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33
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A convenient catalytic approach to synthesize straight boron nitride nanotubes using synergic nitrogen source. Chem Phys Lett 2007. [DOI: 10.1016/j.cplett.2007.04.059] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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34
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An W, Wu X, Zeng XC. Effect of Apical Defects and Doped Atoms on Field Emission of Boron Nitride Nanocones. J Phys Chem B 2006; 110:16346-52. [PMID: 16913762 DOI: 10.1021/jp063407k] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We present a systematic study of field-emission performance of prototype boron nitride (BN) nanocones using all-electron density-functional theory method. The effects of apical defects and doping/adsorption on the field emission have been evaluated on the basis of magnitude of ionization potential (IP) and electron affinity (EA). Among BN nanocones examined, two 120 degrees -BN nanocones, namely 120 degrees -4-B-N and 120 degrees -55-mol-B, have been identified as promising candidates for the field-emission electron source. Effects of the applied electric field on the electronic structures of BN nanocones have been investigated. In general, the electronic structures of BN nanocones can be significantly modified by a strong electric field, such as the reduction of the HOMO-LUMO gap and the change in density of states. The interaction between BN nanocones and applied electric field can be described by the second-order Stark effect. In addition, calculations show that the doping/adsorption of an impurity atom results in higher IP or EA values, which is unfavorable to the field emission. Our study suggests that BN nanocones can be considered as alternative cold-emission electron sources.
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Affiliation(s)
- Wei An
- Department of Chemistry and Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, USA
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Enyashin AN, Ivanovskii AL. Modeling of the atomic structure and thermal stability of titanium monoxide nanocrystals. RUSS J INORG CHEM+ 2006. [DOI: 10.1134/s0036023606080171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Xu SH, Zhang MY, Zhao YY, Chen BG, Zhang J, Sun CC. Theoretical study for (BN)10 isomers and (BN) C20−2 ring structures. Chem Phys Lett 2006. [DOI: 10.1016/j.cplett.2005.11.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Ivanovskaya VV, Seifert G, Ivanovskii AL. Electronic structure of niobium-doped molybdenum disulfide nanotubes. RUSS J INORG CHEM+ 2006. [DOI: 10.1134/s0036023606020215] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Zhou Z, Zhao J, Chen Z, Gao X, Lu JP, von Ragué Schleyer P, Yang CK. True Nanocable Assemblies with Insulating BN Nanotube Sheaths and Conducting Cu Nanowire Cores. J Phys Chem B 2006; 110:2529-32. [PMID: 16471851 DOI: 10.1021/jp055483d] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nanocable models comprised of BN nanotubes filled with close-packed Cu nanowires were investigated by gradient-corrected density functional theory (DFT) computations. The optimal distance between the sidewall of BN nanotubes and the atoms in a copper nanowire is about 0.35 nm, with a weak insertion energy (ca. -0.04 eV per Cu atom). Hence, such nanocables are assembled by weaker van der Waals (vdW) forces, rather than by chemical bonding interactions. The electronic band structures of the BN/Cu hybrid systems are superposition of those of the separate components, the BN nanotubes, and the Cu nanowires. Since charge density analyses show that the conduction electrons are distributed only on the copper atoms, charge transport will occur only in these inner nanowires, which are effectively insulated by the outer BN nanotubes. On the basis of these computational results, BN/Cu hybrid structures should be ideal nanocables.
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Affiliation(s)
- Zhen Zhou
- Institute of New Energy Material Chemistry, Institute of Scientific Computing, Nankai University, Tianjin 300071, P. R. China.
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Velázquez-Salazar J, Muñoz-Sandoval E, Romo-Herrera J, Lupo F, Rühle M, Terrones H, Terrones M. Synthesis and state of art characterization of BN bamboo-like nanotubes: Evidence of a root growth mechanism catalyzed by Fe. Chem Phys Lett 2005. [DOI: 10.1016/j.cplett.2005.09.091] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Xie SY, Wang W, Fernando KAS, Wang X, Lin Y, Sun YP. Solubilization of boron nitride nanotubes. Chem Commun (Camb) 2005:3670-2. [PMID: 16027906 DOI: 10.1039/b505330g] [Citation(s) in RCA: 173] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A successful attempt in the functionalization and solubilization of boron nitride nanotubes is reported, and a functionalization mechanism based on interactions of amino functional groups with nanotube surface borons is proposed.
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Affiliation(s)
- Su-Yuan Xie
- Department of Chemistry and Laboratory for Emerging Materials and Technology, Clemson University, Clemson, SC 29634-0973, USA
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Terrones M, Terrones H. Philosophical transactions. Introduction. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2004; 362:2035-2037. [PMID: 15370470 DOI: 10.1098/rsta.2004.1439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Affiliation(s)
- Mauricio Terrones
- Advanced Materials Department, Instituto Potosino de Investigación Científica y Tecnológica, Camino a la Presa San José 2055, Lomas 4a sección, 78216 San Luis Potosí, Mexico.
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