2016
DOI: 10.1039/c5ra23426c
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Ultrafine porous boron nitride nanofibers synthesized via a freeze-drying and pyrolysis process and their adsorption properties

Abstract: One-dimensional (1D) boron nitride (BN) nanostructures with a high aspect ratio are of prime interest due to their importance in fundamental research and wide-range potential applications. Herein we developed a facile method for the first synthesis of ultrafine porous BN nanofibers in high purity and a high yield. The method included two-steps, freeze-drying of a hot melamine/boric acid solution and post pyrolysis of the as-obtained products. The extremely rapid cooling of the hot melamine/boric acid solution … Show more

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Cited by 95 publications
(56 citation statements)
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“…58 Such a high SSA and porosity for these 2BÁM-derived porous BNs was later independently reported by other groups. [59][60][61] The use of other precursor systems, such as boric acid-dicyandiamide, led to unprecedentedly high SSAs values, up to 1900 m 2 g À1 , in the obtained porous BN materials. 37 And interestingly enough, these materials exhibited a microporedominated porosity.…”
Section: Low-dimensional Bn Nanostructuresmentioning
confidence: 99%
“…58 Such a high SSA and porosity for these 2BÁM-derived porous BNs was later independently reported by other groups. [59][60][61] The use of other precursor systems, such as boric acid-dicyandiamide, led to unprecedentedly high SSAs values, up to 1900 m 2 g À1 , in the obtained porous BN materials. 37 And interestingly enough, these materials exhibited a microporedominated porosity.…”
Section: Low-dimensional Bn Nanostructuresmentioning
confidence: 99%
“…[7][8][9][10][11] In addition, the pyrolysis of a C 3 N 6 H 6 $2H 3 -BO 3 (M$2B) supra-molecule adduct is an alternative way and promising for large-scale production owing to the facile and eco-friendly fabrication of M$2B. [12][13][14] Unfortunately, the ceramic yield of M$2B is much lower ($20 wt%) than that of other reported polymeric precursors of BN, [15][16][17][18] for example, 57 wt% yield of poly [2,4,6-tris(iso-propylamino)borazine]. 17 This implies that substantial release occurs during thermal conversion from M$2B to the nal BN bers.…”
Section: Introductionmentioning
confidence: 99%
“…Synthesis of various nanostructures of boron nitride (BN), such as activated BN 1 , three-dimensional BN foam 2 , porous BN 3 , ultrafine porous BN nanofibers 4 . BN nano spheres 5 , BN nanosheets 6 and BN nanotubes 7 were continuously reported.…”
Section: Introductionmentioning
confidence: 99%