A simple UV-ozone surface treatment to enhance photocatalytic performance of TiO2 loaded polymer nanofiber membranes

S. Dilpazir; M. Usman; S. Rasul; S. N. Arshad

doi:10.1039/c5ra22903k

A simple UV-ozone surface treatment to enhance photocatalytic performance of TiO₂ loaded polymer nanofiber membranes

S. Dilpazir, M. Usman, S. Rasul, S. N. Arshad^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Homogeneously dispersed titanium dioxide loaded polyacrylonitrile nanofiber membranes with increased active mass loading, Ti³⁺ surface defects and hydrophilicity were fabricated by combining electrospinning and UV-ozone surface treatment. The photocatalytic activity improved by a factor of ∼2 and the kinetics of photodegradation switched from pseudo-first order to pseudo-second order with increasing TiO₂ content with a maximum rate constant of 20.7 h^-1.

Original language	English
Pages (from-to)	14751-14755
Number of pages	5
Journal	RSC Advances
Volume	6
Issue number	18
Early online date	29 Jan 2016
DOIs	https://doi.org/10.1039/c5ra22903k
Publication status	Published - 29 Jan 2016

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abstract = "Homogeneously dispersed titanium dioxide loaded polyacrylonitrile nanofiber membranes with increased active mass loading, Ti3+ surface defects and hydrophilicity were fabricated by combining electrospinning and UV-ozone surface treatment. The photocatalytic activity improved by a factor of ∼2 and the kinetics of photodegradation switched from pseudo-first order to pseudo-second order with increasing TiO2 content with a maximum rate constant of 20.7 h-1.",

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AU - Dilpazir, S.

AU - Usman, M.

AU - Rasul, S.

AU - Arshad, S. N.

PY - 2016/1/29

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N2 - Homogeneously dispersed titanium dioxide loaded polyacrylonitrile nanofiber membranes with increased active mass loading, Ti3+ surface defects and hydrophilicity were fabricated by combining electrospinning and UV-ozone surface treatment. The photocatalytic activity improved by a factor of ∼2 and the kinetics of photodegradation switched from pseudo-first order to pseudo-second order with increasing TiO2 content with a maximum rate constant of 20.7 h-1.

AB - Homogeneously dispersed titanium dioxide loaded polyacrylonitrile nanofiber membranes with increased active mass loading, Ti3+ surface defects and hydrophilicity were fabricated by combining electrospinning and UV-ozone surface treatment. The photocatalytic activity improved by a factor of ∼2 and the kinetics of photodegradation switched from pseudo-first order to pseudo-second order with increasing TiO2 content with a maximum rate constant of 20.7 h-1.

UR - https://www.scopus.com/pages/publications/84957900430

U2 - 10.1039/c5ra22903k

DO - 10.1039/c5ra22903k

M3 - Article

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A simple UV-ozone surface treatment to enhance photocatalytic performance of TiO₂ loaded polymer nanofiber membranes

Abstract

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