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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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.

Keywords: CATALYST; CO-CONDENSATION; MESOPOROUS SILICA; PT NANOPARTICLES; THERMAL STABILITY

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.4787

Publication date: August 1, 2011

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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