Two-Dimensional Binary Superlattice of BNNT-Surfactant Vesicle Complex Induced by Electrostatic Interaction.

IF 12.7 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
ACS Central Science Pub Date : 2025-05-22 eCollection Date: 2025-06-25 DOI:10.1021/acscentsci.5c00548
Sang-Woo Jeon, Changwoo Do, Se Youn Moon, Tae-Hwan Kim
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引用次数: 0

Abstract

For a wide range of practical applications of boron nitride nanotubes (BNNTs), it is essential to achieve their highly ordered self-assembled structures. This study reports on a two-dimensional (2D) binary superlattice of individually exfoliated BNNTs with a negative surface charge (p-BNNT25) and cationic surfactant vesicles (CTAT/SDBS vesicles, prepared by mixing cetyltrimethylammonium tosylate (CTAT) and sodium dodecylbenzenesulfonate (SDBS)) complexes through electrostatic interactions. Depending on the surface charge density of the CTAT/SDBS vesicles and the mass ratio between the CTAT/SDBS vesicle and p-BNNT25, the CTAT/SDBS-BNNT complexes formed highly ordered superstructures. These structures include an intercalated lamellar phase with a centered rectangular structure (ICLP), in which a 2D array of p-BNNT25 is inserted into the multilamellar structure, and an AB3 structure, in which the BNNTs are surrounded by surfactant micelles in a triangular arrangement. To the best of our knowledge, this is the first demonstration of the fabrication of highly ordered superstructures of individually exfoliated and negatively charged BNNTs with positively charged surfactant vesicles through electrostatic interactions. This approach for the 2D binary superlattices of CTAT/SDBS-BNNT complexes induced by electrostatic interactions is expected to be beneficial for a wide range of one-dimensional (1D) nanoparticle applications.

静电作用诱导bnnt -表面活性剂囊泡复合物的二维二元超晶格。
为了氮化硼纳米管的广泛实际应用,实现其高度有序的自组装结构是必不可少的。本研究报道了一个二维(2D)二元超晶格,该超晶格由表面带负电荷的单独脱落的bnnt (p-BNNT25)和阳离子表面活性剂囊泡(CTAT/SDBS囊泡)组成,这些囊泡是由十六烷基三甲基甲磺酸铵(CTAT)和十二烷基苯磺酸钠(SDBS)通过静电相互作用混合而成的。根据CTAT/SDBS囊泡的表面电荷密度和CTAT/SDBS囊泡与p-BNNT25的质量比,CTAT/SDBS- bnnt配合物形成了高度有序的上层结构。这些结构包括具有中心矩形结构的嵌入层状相(ICLP),其中p-BNNT25的二维阵列插入到多层结构中,以及AB3结构,在AB3结构中,bnnt被表面活性剂胶束以三角形排列包围。据我们所知,这是第一次通过静电相互作用制造出高度有序的上层结构,这些上层结构是由单独剥离的带负电荷的bnnt和带正电荷的表面活性剂囊泡组成的。该方法用于静电相互作用诱导的CTAT/ sds - bnnt复合物的二维二元超晶格,有望在一维(1D)纳米颗粒的广泛应用中发挥作用。
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来源期刊
ACS Central Science
ACS Central Science Chemical Engineering-General Chemical Engineering
CiteScore
25.50
自引率
0.50%
发文量
194
审稿时长
10 weeks
期刊介绍: ACS Central Science publishes significant primary reports on research in chemistry and allied fields where chemical approaches are pivotal. As the first fully open-access journal by the American Chemical Society, it covers compelling and important contributions to the broad chemistry and scientific community. "Central science," a term popularized nearly 40 years ago, emphasizes chemistry's central role in connecting physical and life sciences, and fundamental sciences with applied disciplines like medicine and engineering. The journal focuses on exceptional quality articles, addressing advances in fundamental chemistry and interdisciplinary research.
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