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Self-Catalytic Ternary Compounds for Efficient Synthesis of High-Quality Boron Nitride Nanotubes

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Title
Self-Catalytic Ternary Compounds for Efficient Synthesis of High-Quality Boron Nitride Nanotubes
Author(s)
Wang, Nanyang; Ding, Liping; Li, Taotao; Zhang, Kai; Wu, Liyun; Zhou, Zhengyang; He, Qian; He, Xuhua; Wang, Xuebin; Hu, Yue; Feng Ding; Zhang, Jin; Yao, Yagang
Publication Date
2023-04
Journal
Small, v.19, no.14
Publisher
John Wiley and Sons Inc
Abstract
The large-scale synthesis of high-quality boron nitride nanotubes (BNNTs) has attracted considerable interests due to their applications in nanocomposites, thermal management, and so on. Despite decades of development, efficient preparation of high-quality BNNTs, which relies on the effective design of precursors and catalysts and deep insights into the catalytic mechanisms, is still urgently needed. Here, a self-catalytic process is designed to grow high-quality BNNTs using ternary W–B–Li compounds. W–B–Li compounds provide boron source and catalyst for BNNTs growth. High-quality BNNTs are successfully obtained via this approach. Density functional theory-based molecular dynamics (DFT-MD) simulations demonstrate that the Li intercalation into the lattice of W2B5 promotes the formation of W–B–Li liquid and facilitates the compound evaporation for efficient BNNTs growth. This work demonstrates a high-efficient self-catalytic growth of high-quality BNNTs via ternary W–B–Li compounds, providing a new understanding of high-quality BNNTs growth. © 2023 Wiley-VCH GmbH.
URI
https://pr.ibs.re.kr/handle/8788114/14702
DOI
10.1002/smll.202206933
ISSN
1613-6810
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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