Multifunctional composite nanoparticles: Magnetic, luminescent, and mesoporous

Yu Shen Lin, Si Han Wu, Yann Hung, Yi Hsin Chou, Chen Chang, Meng Liang Lin, Chih Pin Tsai, Chung Yuan Mou

Research output: Contribution to journalArticle

304 Citations (Scopus)

Abstract

The synthesis of uniform magnetic/luminescent functional mesoporous silica nanoparticles with well ordered porous structure and good aqueous dispersity was investigated. Te magnetic nanoparticles are coated with a silica shell by hydrolysis of TEOS in oil-in-water reverse microemulsion to obtain water suspended magnetic core shell nanoparticles. Dring the synthetic process the organic dyes can be simultaneously incorporated into the mesoporous silica framework by the co-condensation method. The surfactants were removed by a fast and efficient ion exchange method and examined by FTIR. The nanoparticle solution used for relaxivity measurements and cellular uptake experiments was prepared by transferring the extracted Mag-Dye@MSN from ethanol to D.I. water. TEM and FE-SEM images revealed that the multifunctional nanoparticles not only posses a unique tumblerlike morphology but are also very uniform in size.

Original languageEnglish
Pages (from-to)5170-5172
Number of pages3
JournalChemistry of Materials
Volume18
Issue number22
DOIs
Publication statusPublished - Oct 31 2006
Externally publishedYes

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Nanoparticles
Silicon Dioxide
Composite materials
Silica
Water
Coloring Agents
Dyes
Magnetic cores
Microemulsions
Surface-Active Agents
Condensation
Hydrolysis
Ion exchange
Oils
Surface active agents
Ethanol
Transmission electron microscopy
Scanning electron microscopy
Experiments

ASJC Scopus subject areas

  • Materials Chemistry
  • Materials Science(all)

Cite this

Lin, Y. S., Wu, S. H., Hung, Y., Chou, Y. H., Chang, C., Lin, M. L., ... Mou, C. Y. (2006). Multifunctional composite nanoparticles: Magnetic, luminescent, and mesoporous. Chemistry of Materials, 18(22), 5170-5172. https://doi.org/10.1021/cm061976z

Multifunctional composite nanoparticles : Magnetic, luminescent, and mesoporous. / Lin, Yu Shen; Wu, Si Han; Hung, Yann; Chou, Yi Hsin; Chang, Chen; Lin, Meng Liang; Tsai, Chih Pin; Mou, Chung Yuan.

In: Chemistry of Materials, Vol. 18, No. 22, 31.10.2006, p. 5170-5172.

Research output: Contribution to journalArticle

Lin, YS, Wu, SH, Hung, Y, Chou, YH, Chang, C, Lin, ML, Tsai, CP & Mou, CY 2006, 'Multifunctional composite nanoparticles: Magnetic, luminescent, and mesoporous', Chemistry of Materials, vol. 18, no. 22, pp. 5170-5172. https://doi.org/10.1021/cm061976z
Lin, Yu Shen ; Wu, Si Han ; Hung, Yann ; Chou, Yi Hsin ; Chang, Chen ; Lin, Meng Liang ; Tsai, Chih Pin ; Mou, Chung Yuan. / Multifunctional composite nanoparticles : Magnetic, luminescent, and mesoporous. In: Chemistry of Materials. 2006 ; Vol. 18, No. 22. pp. 5170-5172.
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