Synthesis of hollow silica fibers with porous walls by coaxial electrospinning method

Akash Katoch, Sang Sub Kim

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Hollow Silica (SiO 2) fibers with porous walls were synthesized by a coaxial electrospinning method. The SiO 2sol prepared by a sol-gel route was blended with polyvinylacetate to prepare precursor solutions for electrospinning. Electrospinning-synthesized hollow SiO 2fibers were highly porous with pore diameters of ∼45 nm. A slow heating rate <5°C/min during calcination was required to sustain the hollow and porous morphology. In addition, aligned hollow SiO 2fibers were successfully synthesized using a separate electrode configuration.

Original languageEnglish
Pages (from-to)553-556
Number of pages4
JournalJournal of the American Ceramic Society
Volume95
Issue number2
DOIs
StatePublished - Feb 2012

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