Boron nitride (BN) nanomaterials have superior fracture strength (165 GPa), high Young's modulus (0.8 TPa) 20, high thermal stability (up to 800 °C in the air) 21, 22, …Web

Donnay et al. [43] prepared boron nitride epoxy resin composites by the ball milling method, and explored the effect of micro-and nanoboron nitride particles on the thermal conductivity of the ...Web

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DOPO and boron nitride (BN) fillers with different particle sizes and several loadings were employed to improve the properties of cyanate ester (CE) resin. The effects of BN content and particle size on the thermal conductivity of the BN-DOPO/CE ternary composites were discussed. The influence of enhancing the thermal conductivity of the ...Web

Volume 110, 6 April 2015, Pages 152-158. Boron nitride filled epoxy with improved thermal conductivity and dielectric breakdown strength. Author links open overlay panel Martin Donnay, Spiros Tzavalas, ... This study shows that the incorporation of small amounts of boron nitride into an epoxy matrix can effectively increase its thermal ...Web

With the rapid growth of highly integrated electrical devices, the urgent demand for polymer composites with high thermal conductivity (TC) is increasing for effective thermal management. In this work, boron nitride nanosheets (BNNSs) were chemically grafted with aluminum oxide (Al 2 O 3) to develop hetero-structured filler …Web

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However, the electrical conductivity may seriously limit their applications in some special fields where electrical insulation is compulsive. Boron nitride (BN) has been widely applied in high thermal conductive composites [35], [36]. It has a crystal structure similar to graphene, and possesses high thermal conductivity coefficient, thermal ...Web

Boron nanoparticles have emerged as promising nanomaterials with a wide array of applications in the biomedical, industrial, and environmental fields. However, the potential impact of these nanoparticles on aquatic organisms is not yet known. In the present study, the comparative impact of boron nitride nanoparticles and its bulk form is …Web

Boron nitride (BN) low-dimensional materials can be traced back to 1990s [1], following carbon fullerene [2], which have been ascending [3], [4]. The development of BN nanomaterials is bound with their graphitic counterparts as similar bond energy but different frontier electron structures between graphite and hexagonal BN [5], [6], [7]. BN ...Web

For hexagonal boron nitride, each cell contains a B atom and a N atom, with a total of eight electrons, B atoms and N atoms in the form of sp2 between the hybrid, each B atoms and adjacent three N atoms between the formation of three σ bond, there are six electrons filled to the σ orbit, the remaining even the electrons in the 2p z state ...Web

1. Introduction When metals undergo a slow chemical or electrochemical process known as corrosion, they lose their characteristic metallic properties such as high strength, …Web

Energy catalysis and storage are the key technologies to solve energy and environmental problems in energy systems. Two-dimensional (2D) boron nitride nanomaterials have aroused a great interest in the synthesis and application because of their unique 2D nature, large band gap, metal-free characteristic, high …Web

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Boron nitride (BN) is a synthetic material that exists in many phases isostructural to the polymorphs of carbon, such as amorphous (a), hexagonal (h), wurtzite (w), cubic (c) and turbostratic (t). In …Web

Chemical vapor deposited (CVD) graphene is often presented as a scalable solution to graphene device fabrication, but to date such graphene has exhibited lower mobility than that produced by exfoliation. Using a boron nitride underlayer, we achieve mobilities as high as 37 000 cm2/V s, an order of magnitude higher than commonly …Web

The use of coupling agents to enhance the thermal conductivity of composites of epoxy and boron nitride (BN) has been investigated. Two types of BN particles, lightly aggregated platelets with an average size of 6 µm and agglomerates with an average size of 120 µm, have been used. Different proportions of these BN particles, up …Web

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Materials. Aluminum oxide (Al 2 O 3) was purchased from Sigma Aldrich.Boron nitride (BN) fillers of two different average particle sizes were obtained from Sigma Aldrich and Momentive. The epoxy resin (OP581) which is a mixture of bisphenol A diglycidyl ether, novolac resin, and cycloaliphatic compound and its corresponding curing …Web

Nature Reviews Materials - Hexagonal boron nitride (hBN) is highly sought after for mid-IR nanophotonics, nonlinear and quantum optics, and as an efficient UV emitter. This Review surveys its...Web

Here, we demonstrate a wafer-scale, low-temperature process (< 250 °C) using atomic layer deposition (ALD) for the synthesis of uniform, conformal amorphous …Web

This is a review, which considers three plasma-based technologies for the synthesis of boron nitride nanotubes (BNNTs) named one of the most important …Web

Boron nitride prepared in this manner has a hexagonal crystalline form (α form) of planar sheets with six-member fused rings containing alternating B–N bonds. ... techniques individually or in coupling with sacial layer etching technology for the preparation of nanomembranes. 158 Generally, there are physical and chemical methods for ...Web

Selectivity of dopamine (DA), uric acid (UA), and ascorbic acid (AA) is an open challenge of electrochemical sensors in the field of biosensing. In this study, two selective mechanisms for detecting DA, UA, and AA biomolecules on the pristine boron nitride nanosheets (BNNS) and functionalized BNNS with tryptophan (Trp), i.e., …Web

Hexagonal boron nitride, or hBN, is a single-atom-thin material that has been coined "white graphene" for its transparent appearance and its similarity to carbon-based graphene in molecular ...Web

Boron nitride (BN) is a novel nanoparticle with unique dimensions that can improve photocatalyst performance. BN-based materials have gotten a lot of interest in …Web

Energy catalysis and storage are the key technologies to solve energy and environmental problems in energy systems. Two-dimensional (2D) boron nitride …Web

Two-dimensional materials. We demonstrate quantum emission capabilities from boron nitride structures which are relevant for practical applications and can be seamlessly integrated into a variety ...Web

The III-nitride semiconductors are known for their excellent extrinsic properties like direct bandgap, low electron affinity, and chemical and thermal stability. Among III-nitride semiconductors, boron nitride has proven to be a favorable candidate for common dimension materials in several crystalline forms due to its sp2- or sp3 …Web

The present work aims at studying epoxy-matrix composites using boron nitride (BN) as filler for thermal management in electrical applications. Several factors were investigated: the combination of micro- and nano-sized particles, the use of a silane coupling agent (SCA) as well as different dispersion techniques. Composites containing from 10 …Web

Hexagonal boron nitride (h-BN) has a layered structure similar to graphite and thus exhibits excellent thermal stability, electrical insulation, and chemical and …Web

High-performance MoS 2 transistors are developed using atomic hexagonal boron nitride as a tunneling layer to reduce the Schottky barrier and achieve low contact resistance between metal and MoS 2.Benefiting from the ultrathin tunneling layer within 0.6 nm, the Schottky barrier is significantly reduced from 158 to 31 meV with small tunneling resistance.Web

A review. Hexagonal boron nitride (h-BN) is a layered material with a graphite-like structure in which planar networks of BN hexagons are regularly stacked. As the structural analog of a carbon nanotube (CNT), a BN nanotube (BNNT) was first predicted in 1994; since then, it has become one of the most intriguing non-carbon nanotubes.Web

The fundamental reason is that the boron nitride nanoribbons have more localized electrons. The optical absorption of n-ZBNNRs (n = 18, 22, 26, 30) is anisotropic for the x, y, and z polarizations as well. ... Optik 158, 693–698 (2018) ADS Google Scholar Nematian, H., et al.: Optical properties of armchair graphene nanoribbons embedded in ...Web

Recently, boron nitride nanostructures have proven to be promising materials in various applications including catalysis, optoelectronics, sensors, electronics …Web

The wide variety of possible applications for boron nitride is thanks to its unique properties profile. The applications presented were selected from those sectors in which boron nitride has become firmly established in its various forms. A feature of hexagonal boron nitride (hBN) is its wide and varied range of applications, especially with its valuable …Web

In recent years, hexagonal boron nitride (hBN) has emerged as an unexpected catalyst for the oxidative dehydrogenation of alkanes. ... 2020 Jan 9;13(1):152-158. doi: 10.1002/cssc.201901663. Epub 2019 Oct 11. Authors William P McDermott 1, Juan Venegas 2, Ive Hermans 1 2 Affiliations 1 Department of Chemistry, University of …Web