期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 6, 期 26, 页码 12323-12333出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ta02569j
关键词
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资金
- National Key Research and Development Program of China [2017YFA0204600]
- National Natural Science Foundation of China [51703203, 51721002, 51673045]
- Zhejiang Provincial Natural Science Foundation of China [LQ17E030004]
Hollow periodic mesoporous organosilica spheres (HPMOSs) have some important special applications owing to their unique properties, but current syntheses usually involve various template methods that are time-consuming. Herein, we report a highly efficient and controllable synthesis of HPMOSs with radial mesochannels, only through introducing a pre-hydrolysis process to the commercially available bissilylated organosilanes (RO)(3)Si-R-Si(OR)(3) with CTAB. The HPMOSs are robust with a mean diameter as small as 45 nm and a shell thickness as thin as 14 nm. A cytotoxicity assay indicates that the obtained HPMOSs possess good biocompatibility, and the HPMOSs with thioether groups are degradable under a 10 mM glutathione microenvironment. The amphiphilic organosilica precursors derived from the pre-hydrolysis process, CTAB micelles, and ethanol contribute to the formation of the HPMOSs.
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