2019
DOI: 10.1039/c8na00315g
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Surfactant-assisted individualization and dispersion of boron nitride nanotubes

Abstract: Boron nitride nanotubes (BNNTs) are novel material building blocks with useful thermal, electronic, and optical properties; their stable dispersion in water would enable fundamental studies as well as novel applications. Here we address the dispersion of BNNTs in aqueous solution using surfactants with varying properties.

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Cited by 43 publications
(58 citation statements)
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“…In this study, a non-ionic surfactant (Pluronic) is introduced to assist in the dispersion of the high surface energy nanotubes. Non-ionic surfactants have shown to be the most effective surfactants to allow the effective dispersion of nanotubes, yielding high concentrations of individual BNNTs 55,76 . The amphiphilic nature of surfactants allows them to possess both hydrophobic and hydrophilic properties.…”
Section: Dispersion Of Bnnt By Wet Chemistry Routementioning
confidence: 99%
See 1 more Smart Citation
“…In this study, a non-ionic surfactant (Pluronic) is introduced to assist in the dispersion of the high surface energy nanotubes. Non-ionic surfactants have shown to be the most effective surfactants to allow the effective dispersion of nanotubes, yielding high concentrations of individual BNNTs 55,76 . The amphiphilic nature of surfactants allows them to possess both hydrophobic and hydrophilic properties.…”
Section: Dispersion Of Bnnt By Wet Chemistry Routementioning
confidence: 99%
“…Reduction of surface tension between the nanotube and aqueous media, promoting wetting of the nanotubes; (ii) disentanglement and destruction of agglomerates of long BNNTs by ultrasonic assisted route; and (iii) achieving a stable dispersion of BNNTs inhibiting reagglomerates 76 .…”
Section: Role Of Surfactant In the Dispersion Of Bnntsmentioning
confidence: 99%
“…Individual BNNTs and the bundle have to be separated in order to be utilized in practical applications. Although this process could be carried out by applying both covalent and non-covalent functionalization, the second one seems to be more suitable because it maintains the intrinsic properties of the BNNTs [41,42]. In addition to the above-mentioned advances in the field of dispersion and functionalization of BNNT, several new approaches could be suggested to extend the possibility of different technical applications; however, there are other significant developed covalent and non-covalent approaches [41,43].…”
Section: Dispersion Of Nanotubesmentioning
confidence: 99%
“…Although this process could be carried out by applying both covalent and non-covalent functionalization, the second one seems to be more suitable because it maintains the intrinsic properties of the BNNTs [41,42]. In addition to the above-mentioned advances in the field of dispersion and functionalization of BNNT, several new approaches could be suggested to extend the possibility of different technical applications; however, there are other significant developed covalent and non-covalent approaches [41,43]. In this regard, we will discuss the recent developments concerning the dispersion and functionalization of BNNTs obtained by experimenting in the ""Experimental evidence", and to get more insights on the details, theoretical studies are presented in the "Theoretical investigations".…”
Section: Dispersion Of Nanotubesmentioning
confidence: 99%
“…23 PEI is an example of a non-toxic (at relevant concentrations of <0.01 wt%) and non-ionic dispersant which has previously been shown to stabilize BNNTs for cytotoxicity evaluations. 18 Surface functionalization and modication of BNNTs 24 with polymers has allowed for the production of stable dispersions, though it should be noted that these modications are potentially capable of masking the cytotoxic effects of BNNTs. 14 In addition to the thorough understanding of the asproduced BNNT-1 candidate reference material's characteristics, post-production processing, in particular modication of the length and aspect ratio of BNNTs, is important for their use in a variety of applications.…”
Section: Introductionmentioning
confidence: 99%