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Publication

Solution‐phase Synthesis of Silica Fibers and Their Use In Making Transparent High‐strength Silica‐polymer Composites

Publication Type
Journal
Journal Name
ChemistrySelect
Publication Date
Page Numbers
13427 to 13431
Volume
3
Issue
47

A solution phase synthesis of silica fibers is demonstrated. Silica fibers ≈ 50 µm in length and ≈ 200 – 350 nm in diameter were synthesized. Fiber structure was characterized by using scanning electron mciroscope (SEM), transmission electron mciroscope (TEM), Brunauer-Emmett-Teller (BET) surface area analysis, and Barrett-Joyner-Halenda (BJH) pore size and volume analysis. Fiber reinforced composites were made and evaluated to inevstigate effect of fibers as reinforce materials in a PVP polymer matrix. An addition of 1% fibers by weight provided ≈ 25% increase in Young’s modulus and ≈23% increase in tensile strength of the composites compared to that of the polymer alone. Optical properties of the fiber reinforced polymer composites were measured using UV-Vis spectrophotometer, and surface of fiber reinforced composites were characterized by using atomic force microscope.