文献类型：期刊文献

英文题名：One-Step Synthesis of Nonspherical Organosilica Particles with Tunable Morphology

作者：Yang, Huayu[1];Lu, Xin[1];Xin, Zhong[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, Dept Prod Engn, Shanghai Key Lab Multiphase Mat Chem Engn, Shanghai 200237, Peoples R China

年份：2018

卷号：34

期号：39

起止页码：11723

外文期刊名：LANGMUIR

收录：;EI(收录号：20183905862875);WOS:【SCI-EXPANDED(收录号:WOS:000446543000009)】；

基金：This work was financially supported by the National Natural Science Foundation of China (21776080) and the Fundamental Research Funds for the Central Universities (22A1817025).

语种：英文

外文关键词：Ammonia - Scanning electron microscopy - High resolution transmission electron microscopy - Silica - Molar ratio - Sol-gels - Sports - Sol-gel process

摘要：A one-step sol-gel method was developed to synthesize nonspherical organosilica particles with tunable morphology. The morphology of organosilica particles can be tuned from spherical to golf ball-like or bowl-like through varying the molar ratio of tetraethoxysilane (TEOS) to vinyltrimethoxysilane (VTMS) in the precursors. The morphology and interior structure of the organosilica particles were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), respectively. The effect of ammonia concentration on the morphology of organosilica particles was investigated. The growth process of golf ball-like and bowl-like particles was tracked by SEM in detail, and the formation mechanism of nonspherical organosilica particles was also proposed.