Synthesis of aminated three-layered hollow mesoporous organosilica spheres and in-situ loading gold nanoparticles

被引:2
作者
Shao, Lixin
Lu, Wei
Yu, Ruifa
Han, Xiaolin
Zhao, Jiajia
Chen, Dong
Wang, Yu
Shi, Xuzhi
Su, Xiaodan [1 ]
Teng, Zhaogang [1 ]
机构
[1] Nanjing Univ Posts & Telecommun NJUPT, Jiangsu Natl Synerget Innovat Ctr Adv Mat, Inst Adv Mat, Key Lab Organ Elect & Informat Displays, Nanjing 210023, Peoples R China
关键词
Porous materials; Amino; Multilayer structure; Organosilica; Composite materials; SILICA;
D O I
10.1016/j.matlet.2022.133270
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Hollow mesoporous spheres with hierarchical structure and functional groups were considerably interest in separation, catalysis, and biomedicine. In this work, aminated three-layered hollow mesoporous organosilica spheres (atHMOSs) are synthesized for the first time by successively co-assembling multiple organosilanes with surfactant and a subsequent hydrothermal treatment procedure. Electron microscopy shows that the prepared atHMOSs have a well-defined three-layered hollow structure with a monodisperse diameter (440 nm) and a uniform mesopores (4.1 nm). Importantly, owing to the doped amino groups successfully, the atHMOSs can effectively coordinate with gold ions, and thus gold nanoparticles loaded in atHMOSs are further prepared after reducing the adsorbed gold ions.
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页数:3
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