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Boron Nitride: Synthesis and Application
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Boron Nitride: Synthesis and Application

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Molecular Diversity".

Deadline for manuscript submissions: closed (31 May 2016) | Viewed by 49245

Special Issue Editors

Dr. Samuel Bernard

E-Mail Website
Guest Editor
Institute of Research on Ceramics (IRCER, UMR CNRS 7315), European Ceramic Center, Limoges, France
Interests: precursor chemistry and processing; preceramic polymers; polymer-derived ceramics; porous components; nanocomposites; fibers and matrices
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zheng Liu

E-Mail Website
Guest Editor
Center for Programmable Materials, School of Material Science and Engineering, Nanyang Technological University, Singapore 637798, Singapore
Interests: synthesis of high-quality 2D crystal (Graphene, h-BN, TMDs); 2D heterostructures; ultra-thin materials based high-performance optoelectronic devices; wearable, bio-compatible and flexible electronics; organic-inorganic interfaces
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Philippe Miele

E-Mail Website
Guest Editor
Directeur de l'Institut Européen des Membranes (IEM - UMR5635 ENSCM, UM, CNRS), Universite de Montpellier, Place Eugene Bataillon, F-34095 Montpellier, France
Interests: boron nitride; fibers; nanotubes; nanostructured ceramics; porous ceramics; hierarchical materials; molecular an polymeric precursors of non-oxide ceramics; borazine; borazine-based preceramic polymers; boron-based materials for hydrogen storage
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Boron Nitride (BN) is a synthetic compound that has attracted a lot of interest due to its unique properties, such as a large band gap, a low density, a relatively good thermal stability, excellent thermal conductivity, good thermal shock resistance, microwave transparency, non-toxicity, and an absence of reactivity toward molten metals. Its hexagonal polymorph (h-BN) is non-abrasive, lubricious, and shows an easy machinability. On the contrary, the cubic form (c-BN) displays a ultra-high hardness.

In this Special Issue, we will introduce the most recent development on the synthesis and applications of BN, including synthesis of high-quality BN crystal, BN nanopowders and nanosheets, nanostructured and porous BN ceramic materials, high-performance BN-based composites, and BN based optoelectronic and electronic devices.

Prof. Dr. Philippe Miele
Prof. Dr. Samuel Bernard
Asst. Prof. Dr. Zheng Liu
Guest Editors

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cubic boron nitride (c-BN)
  • hexagonal boron nitride (h-BN)
  • synthesis from polymeric precursors
  • growth
  • hardness
  • chemical vapor deposition
  • van der Waals solids
  • field-effect transistor
  • dielectric
  • UV-light emission
  • thermal conductivity
  • powders
  • monoliths
  • composite
  • coating

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Published Papers (5 papers)

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Research

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4948 KiB  
Communication
Controlled Synthesis of Atomically Layered Hexagonal Boron Nitride via Chemical Vapor Deposition
by Juanjuan Liu, R. Govindan Kutty and Zheng Liu
Molecules 2016, 21(12), 1636; https://doi.org/10.3390/molecules21121636 - 29 Nov 2016
Cited by 18 | Viewed by 7619
Abstract
Hexagonal boron nitrite (h-BN) is an attractive material for many applications including electronics as a complement to graphene, anti-oxidation coatings, light emitters, etc. However, the synthesis of high-quality h-BN is still a great challenge. In this work, via controlled chemical vapor deposition, we [...] Read more.
Hexagonal boron nitrite (h-BN) is an attractive material for many applications including electronics as a complement to graphene, anti-oxidation coatings, light emitters, etc. However, the synthesis of high-quality h-BN is still a great challenge. In this work, via controlled chemical vapor deposition, we demonstrate the synthesis of h-BN films with a controlled thickness down to atomic layers. The quality of as-grown h-BN is confirmed by complementary characterizations including high-resolution transition electron microscopy, atomic force microscopy, Raman spectroscopy and X-ray photo-electron spectroscopy. This work will pave the way for production of large-scale and high-quality h-BN and its applications as well. Full article
(This article belongs to the Special Issue Boron Nitride: Synthesis and Application)
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2353 KiB  
Article
Thermal Conductivity of Epoxy Resin Composites Filled with Combustion Synthesized h-BN Particles
by Shyan-Lung Chung and Jeng-Shung Lin
Molecules 2016, 21(5), 670; https://doi.org/10.3390/molecules21050670 - 20 May 2016
Cited by 92 | Viewed by 11121
Abstract
The thermal conductivity of epoxy resin composites filled with combustion-synthesized hexagonal boron nitride (h-BN) particles was investigated. The mixing of the composite constituents was carried out by either a dry method (involving no use of solvent) for low filler loadings or a solvent [...] Read more.
The thermal conductivity of epoxy resin composites filled with combustion-synthesized hexagonal boron nitride (h-BN) particles was investigated. The mixing of the composite constituents was carried out by either a dry method (involving no use of solvent) for low filler loadings or a solvent method (using acetone as solvent) for higher filler loadings. It was found that surface treatment of the h-BN particles using the silane 3-glycidoxypropyltrimethoxysilane (GPTMS) increases the thermal conductivity of the resultant composites in a lesser amount compared to the values reported by other studies. This was explained by the fact that the combustion synthesized h-BN particles contain less –OH or active sites on the surface, thus adsorbing less amounts of GPTMS. However, the thermal conductivity of the composites filled with the combustion synthesized h-BN was found to be comparable to that with commercially available h-BN reported in other studies. The thermal conductivity of the composites was found to be higher when larger h-BN particles were used. The thermal conductivity was also found to increase with increasing filler content to a maximum and then begin to decrease with further increases in this content. In addition to the effect of higher porosity at higher filler contents, more horizontally oriented h-BN particles formed at higher filler loadings (perhaps due to pressing during formation of the composites) were suggested to be a factor causing this decrease of the thermal conductivity. The measured thermal conductivities were compared to theoretical predictions based on the Nielsen and Lewis theory. The theoretical predictions were found to be lower than the experimental values at low filler contents (< 60 vol %) and became increasing higher than the experimental values at high filler contents (> 60 vol %). Full article
(This article belongs to the Special Issue Boron Nitride: Synthesis and Application)
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2118 KiB  
Article
Symmetry Breaking of B2N(−, 0, +): An Aspect of the Electric Potential and Atomic Charges
by Majid Monajjemi, Samira Bagheri, Matin S. Moosavi, Nahid Moradiyeh, Mina Zakeri, Naime Attarikhasraghi, Nastaran Saghayimarouf, Ghorban Niyatzadeh, Marzie Shekarkhand, Mohammad S. Khalilimofrad, Hashem Ahmadin and Maryam Ahadi
Molecules 2015, 20(12), 21636-21657; https://doi.org/10.3390/molecules201219769 - 3 Dec 2015
Cited by 83 | Viewed by 5965
Abstract
In this study, the three forms of B2N(−, 0, +)—radical, anion and cation—have been compared in terms of electric potential and atomic charges, ESP, rather than the well-known cut of the potential energy surface (PES). We have realized that [...] Read more.
In this study, the three forms of B2N(−, 0, +)—radical, anion and cation—have been compared in terms of electric potential and atomic charges, ESP, rather than the well-known cut of the potential energy surface (PES). We have realized that the double minimum of the BNB radical is related to the lack of the correct permutational symmetry of the wave function and charge distribution. The symmetry breaking (SB) for B2N(0, +) exhibits energy barrier in the region of (5–150) cm−1. The SB barrier goes through a dynamic change with no centrosymmetric form which depends on the wave function or charge distribution. In spite of A ˜ 2 Σ g + exited state, the B ˜ 2 ∏ g excited configuration contributes to the ground state ( B ˜ 2 ∏ g − X ˜ 2 Σ u + ) for forming radicals. The SB did not occur for the anion form (B2N(−)) in any electrostatic potential and charges distribution. Finally, we have modified the Columbic term of the Schrödinger equation to define the parameters “αα' and ββ'” in order to investigate the SBs subject. Full article
(This article belongs to the Special Issue Boron Nitride: Synthesis and Application)
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Review

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7883 KiB  
Review
High-Pressure Design of Advanced BN-Based Materials
by Oleksandr O. Kurakevych and Vladimir L. Solozhenko
Molecules 2016, 21(10), 1399; https://doi.org/10.3390/molecules21101399 - 20 Oct 2016
Cited by 23 | Viewed by 8797
Abstract
The aim of the present review is to highlight the state of the art in high-pressure design of new advanced materials based on boron nitride. Recent experimental achievements on the governing phase transformation, nanostructuring and chemical synthesis in the systems containing boron nitride [...] Read more.
The aim of the present review is to highlight the state of the art in high-pressure design of new advanced materials based on boron nitride. Recent experimental achievements on the governing phase transformation, nanostructuring and chemical synthesis in the systems containing boron nitride at high pressures and high temperatures are presented. All these developments allowed discovering new materials, e.g., ultrahard nanocrystalline cubic boron nitride (nano-cBN) with hardness comparable to diamond, and superhard boron subnitride B13N2. Thermodynamic and kinetic aspects of high-pressure synthesis are described based on the data obtained by in situ and ex situ methods. Mechanical and thermal properties (hardness, thermoelastic equations of state, etc.) are discussed. New synthetic perspectives, combining both soft chemistry and extreme pressure–temperature conditions are considered. Full article
(This article belongs to the Special Issue Boron Nitride: Synthesis and Application)
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4993 KiB  
Review
Boron Nitride Nanotubes: Recent Advances in Their Synthesis, Functionalization, and Applications
by Chee Huei Lee, Shiva Bhandari, Bishnu Tiwari, Nazmiye Yapici, Dongyan Zhang and Yoke Khin Yap
Molecules 2016, 21(7), 922; https://doi.org/10.3390/molecules21070922 - 15 Jul 2016
Cited by 94 | Viewed by 14167
Abstract
A comprehensive overview of current research progress on boron nitride nanotubes (BNNTs) is presented in this article. Particularly, recent advancements in controlled synthesis and large-scale production of BNNTs will first be summarized. While recent success in mass production of BNNTs has opened up [...] Read more.
A comprehensive overview of current research progress on boron nitride nanotubes (BNNTs) is presented in this article. Particularly, recent advancements in controlled synthesis and large-scale production of BNNTs will first be summarized. While recent success in mass production of BNNTs has opened up new opportunities to implement the appealing properties in various applications, concerns about product purity and quality still remain. Secondly, we will summarize the progress in functionalization of BNNTs, which is the necessary step for their applications. Additionally, selected potential applications in structural composites and biomedicine will be highlighted. Full article
(This article belongs to the Special Issue Boron Nitride: Synthesis and Application)
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