Benzene-Bridged Organosilica Modified Mesoporous Silica Nanoparticles via an Acid-Catalysis Approach

Surface functionalization of mesoporous silica nanoparticles is important for their applications but fairly challenging using benzene-bridged organosilane as the precursor through the postsynthesis approach. Herein, we report an acid-catalysis approach for the postmodification of benzene-bridged org...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 37(2021), 8 vom: 02. März, Seite 2780-2786
1. Verfasser: Zhang, Ye (VerfasserIn)
Weitere Verfasser: Gu, Zhengying, Liu, Yang, Hu, WenLi, Liu, Chao, Shu, Weikang, Wang, Yue, Yu, Chengzhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a Surface functionalization of mesoporous silica nanoparticles is important for their applications but fairly challenging using benzene-bridged organosilane as the precursor through the postsynthesis approach. Herein, we report an acid-catalysis approach for the postmodification of benzene-bridged organosilica onto the surface of large-pore mesoporous silica nanoparticles. By using HCl (∼1 M) as the acid catalyst in a tetrahydrofuran solvent, the self-assembly of the bridged organosilica precursor is avoided, while surface modification of mesoporous silica nanoparticles is promoted with controllable organic contents and retained large pore sizes. This strategy can also be applied to the postmodification of organosilica with end benzene groups. The strategy developed in this study is expected to be applied for the postmodification of other organosilica precursors with various functions 
650 4 |a Journal Article 
700 1 |a Gu, Zhengying  |e verfasserin  |4 aut 
700 1 |a Liu, Yang  |e verfasserin  |4 aut 
700 1 |a Hu, WenLi  |e verfasserin  |4 aut 
700 1 |a Liu, Chao  |e verfasserin  |4 aut 
700 1 |a Shu, Weikang  |e verfasserin  |4 aut 
700 1 |a Wang, Yue  |e verfasserin  |4 aut 
700 1 |a Yu, Chengzhong  |e verfasserin  |4 aut 
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