Preparation of In-Situ Pt Nanoparticles into Frameworks of Mesoporous Silica for Improving Thermal Stability

Authors: Lee, Hyeong Seok; Yoo, Jung Whan

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 8, August 2011 , pp. 7365-7368(4)

Publisher: American Scientific Publishers

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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.


Document Type: Research Article


Publication date: August 1, 2011

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