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Preparation of Silica Nanoparticles Through Microwave-assisted Acid-catalysis
Published on: December 16, 2013
Preparation of in-situ Pt nanoparticles into frameworks of mesoporous silica for improving thermal stability
Hyeong Seok Lee1, Jung Whan Yoo
1Eco-Composite Materials Center Korea Institute of Ceramic Engineering and Technology, 233-5, Gasan-Dong, Geumcheon-Gu, Seoul, 153-801, Korea.
Journal of Nanoscience and Nanotechnology
|November 23, 2011
Abstract:
The Pt/sulfur-containing mesoporous silica (SMS) was obtained through in-situ co-condensation of TESPTS and TEOS in the presence of a triblock copolymer template. Strong interaction between the Pt NPs and S moieties of TESPTS in the SMS frameworks played an important role in the stabilization of Pt NPs against the sintering or coalescence problems. The Pt/SMS significantly improved the thermal stability at high temperature.
