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Special Issue "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)

Special Issue Editors

Guest Editor
Prof. Dr. Philippe Miele

IEM (Institut Europeen des Membranes), UMR 5635 (CNRS-ENSCM-UM), Université of Montpellier, Place E. Bataillon, F-34095, Montpellier, France
Website | E-Mail
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
Guest Editor
Prof. Dr. Samuel Bernard

SPCTS (UMR CNRS 7315), European Ceramic Center, Limoges-France European Membrane Institute, Montpellier-France
Website | E-Mail
Interests: boron nitride; silicon nitride; transition metal nitride; aluminium nitride; precursor chemistry; polymer-derived ceramics; porous components; nanocomposites; fibers
Guest Editor
Asst. Prof. Dr. Zheng Liu

School of Materials Science and Engineering, Nanyang Technological University, Singapore
Website | E-Mail
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 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

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 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

Published Papers (5 papers)

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Research

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Open AccessCommunication Controlled Synthesis of Atomically Layered Hexagonal Boron Nitride via Chemical Vapor Deposition
Molecules 2016, 21(12), 1636; doi:10.3390/molecules21121636
Received: 17 August 2016 / Revised: 19 November 2016 / Accepted: 24 November 2016 / Published: 29 November 2016
Cited by 1 | PDF Full-text (4948 KB) | HTML Full-text | XML Full-text | Supplementary Files
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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Open AccessArticle Thermal Conductivity of Epoxy Resin Composites Filled with Combustion Synthesized h-BN Particles
Molecules 2016, 21(5), 670; doi:10.3390/molecules21050670
Received: 28 March 2016 / Revised: 29 April 2016 / Accepted: 16 May 2016 / Published: 20 May 2016
Cited by 5 | PDF Full-text (2353 KB) | HTML Full-text | XML Full-text | Supplementary Files
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)
Open AccessArticle Symmetry Breaking of B2N(−, 0, +): An Aspect of the Electric Potential and Atomic Charges
Molecules 2015, 20(12), 21636-21657; doi:10.3390/molecules201219769
Received: 6 August 2015 / Revised: 16 October 2015 / Accepted: 29 October 2015 / Published: 3 December 2015
Cited by 36 | PDF Full-text (2118 KB) | HTML Full-text | XML Full-text
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)

Review

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Open AccessReview High-Pressure Design of Advanced BN-Based Materials
Molecules 2016, 21(10), 1399; doi:10.3390/molecules21101399
Received: 14 September 2016 / Revised: 3 October 2016 / Accepted: 12 October 2016 / Published: 20 October 2016
PDF Full-text (7883 KB) | HTML Full-text | XML Full-text
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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Open AccessReview Boron Nitride Nanotubes: Recent Advances in Their Synthesis, Functionalization, and Applications
Molecules 2016, 21(7), 922; doi:10.3390/molecules21070922
Received: 16 June 2016 / Revised: 6 July 2016 / Accepted: 11 July 2016 / Published: 15 July 2016
Cited by 3 | PDF Full-text (4993 KB) | HTML Full-text | XML Full-text
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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