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Directed assembly of barium titanate nanopeapods via solvothermal processing with a mixed surfactant system
Journal of Experimental Nanoscience ( IF 2.8 ) Pub Date : 2021-08-14 , DOI: 10.1080/17458080.2021.1962006
Alexis Blanco 1 , Jennifer A. Webb 1 , Rebecca R. DiMarco 1 , John B. Wiley 1
Affiliation  

Abstract

Barium titanate (BaTiO3) peapod nanocomposites were prepared by the controlled capture of nanoparticles (NPs) in scrolling hexaniobate (HNB) nanosheets. BaTiO3 NPs and proton-exchanged potassium hexaniobate were treated solvothermally at 220 °C for 6 h in toluene to produce linear NP chains confined within multiwalled HNB nanoscrolls. This method consistently produced nanopeapods with average filling fractions greater than 70%. The controlled introduction of nanocomponents along with a combination of oleylamine and oleic acid surfactants was critical to the success of these reactions. The ability to form BaTiO3@HNB significantly expands the number of important peapod composites accessible by the controlled NP capture.



中文翻译:

用混合表面活性剂系统通过溶剂热加工直接组装钛酸钡纳米豆荚

摘要

通过在滚动的六铌酸盐 (HNB) 纳米片中受控捕获纳米粒子 (NP) 来制备钛酸钡 (BaTiO 3 ) 豆荚纳米复合材料。BaTiO 3 NPs 和质子交换的六铌酸钾在甲苯中在 220°C 下进行溶剂热处理 6 小时,以产生限制在多壁 HNB 纳米卷中的线性 NP 链。这种方法始终如一地生产出平均填充率大于 70% 的纳米豆荚。纳米组分的受控引入以及油胺和油酸表面活性剂的组合对于这些反应的成功至关重要。形成 BaTiO 3 @HNB的能力显着增加了受控 NP 捕获可访问的重要豌豆复合材料的数量。

更新日期:2021-08-15
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