Co-solvent mediated fiber diameter and fiber morphology control in electrospinning of sol-gel formulations

Gustavo Larsen, Maciej Skotak

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Understanding the hydrolysis, condensation and solvent evaporation processes in precursor sols for electrospun ultrafine fibers permits good control over fiber diameter and morphology in a reproducible manner. The (CH3CH2CH2O)4Ti/AcOH/Poly(n-Vinyl Pyrrolidone)/Ethanol sol-gel system is used to illustrate this principle. Four different co-solvents (ether, DMF, DMSO and formamide) were also used to establish their impact on fiber diameter. Among other physical properties of solvents, the relative volatility of the solvent mixtures used in this study was found to influence the morphology of the electrospun fibers by affecting the stability and range of existence of the electrified jet.

Original languageEnglish (US)
Pages (from-to)5547-5554
Number of pages8
JournalJournal of Non-Crystalline Solids
Volume354
Issue number52-54
DOIs
StatePublished - Dec 15 2008

Fingerprint

Electrospinning
Sol-gels
gels
formulations
fibers
Fibers
Pyrrolidinones
volatility
Polymethyl Methacrylate
Sols
Dimethyl Sulfoxide
Ether
hydrolysis
Condensation
Hydrolysis
Ethers
ethers
Evaporation
Ethanol
ethyl alcohol

Keywords

  • FTIR measurements
  • Nano-composites
  • Organic-inorganic hybrids

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Co-solvent mediated fiber diameter and fiber morphology control in electrospinning of sol-gel formulations. / Larsen, Gustavo; Skotak, Maciej.

In: Journal of Non-Crystalline Solids, Vol. 354, No. 52-54, 15.12.2008, p. 5547-5554.

Research output: Contribution to journalArticle

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