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Issue 1, 2020
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Boron nitride aerogels consisting of varied superstructures

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Abstract

As a porous material with a nanoscale skeleton, aerogel serves as a bridge between the nano- and macro-world. The integration of nanostructures into aerogels not only allows the combination of multidimensional features but also implies the possibility of unexpected properties. With great potential in many fields, boron nitride (BN) nanostructures have garnered growing attention and their existence in the aerogel state holds even more promise. However, the existing fabrication routes in the aerogel field, despite their validity and effectiveness, provide no panacea and are challenged by those incompatible with the current preparation toolbox, among which BN stands out. Herein, a multilevel assembly scheme is demonstrated for the elegant fabrication of BN aerogels consisting of varied superstructures, i.e., nanoribbons composed of tiny nanocrystals and nest-like structures tangled by nanofibers, the realization of which via the traditional molecular route or the classic assembly route is rather difficult. Interestingly, the resultant aerogels were found to exhibit great contrast in their hydrophilicity, which could be attributed to the microstructure difference. This study may raise the prospects of BN in energy, environment, bio-applications, etc. It may also give inspirations for the incorporation of other complex structures into aerogels.

Graphical abstract: Boron nitride aerogels consisting of varied superstructures

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Supplementary files

Article information


Submitted
07 Nov 2019
Accepted
16 Dec 2019
First published
16 Dec 2019

This article is Open Access

Nanoscale Adv., 2020,2, 149-155
Article type
Communication

Boron nitride aerogels consisting of varied superstructures

J. Pan and J. Wang, Nanoscale Adv., 2020, 2, 149
DOI: 10.1039/C9NA00702D

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