Paper Title:
Synthesis and Characterization of Hollow Silica via PMMA as Template
  Abstract

Submicrosized porous hollow silica spheres with a diameter of 350 nm and a shell thickness of approximately 10 nm were synthesized by a hydrothermal method using PMMA hollow particles as template. Through the hydrolysis of TEOS, a continuous and uniform coating of SiO2 was deposited over the surface of PMMA cores to form the core-shell structures. After calcining to remove the template, a pure hollow silica structure with holes in the shells was obtained. The as-prepared hollow products were characterized with TEM, SEM, EDS, BET and FT-IR. Its large surface area and hollow morphology will make this new material a promising agent for the applications of catalysts, controlled drug delivery and etc.

  Info
Periodical
Advanced Materials Research (Volumes 11-12)
Main Theme
Edited by
Masayuki Nogami, Riguang Jin, Toshihiro Kasuga and Wantai Yang
Pages
551-554
DOI
10.4028/www.scientific.net/AMR.11-12.551
Citation
J. R. Song, L. X. Wen, J. F. Chen, H. M. Ding, "Synthesis and Characterization of Hollow Silica via PMMA as Template", Advanced Materials Research, Vols. 11-12, pp. 551-554, 2006
Online since
February 2006
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Price
$32.00
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