Crystallinity and lowering band gap induced visible light photocatalytic activity of TiO2/CS (Chitosan) nanocomposites

R. Saravanan; J. Aviles; F. Gracia; E. Mosquera; Vinod Kumar Gupta

doi:10.1016/j.ijbiomac.2017.11.125

Crystallinity and lowering band gap induced visible light photocatalytic activity of TiO₂/CS (Chitosan) nanocomposites

R. Saravanan
, J. Aviles
, F. Gracia
, E. Mosquera
, Vinod Kumar Gupta

Universidad de Chile
Universidad del Valle
University of Johannesburg
King Abdulaziz University

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

159 Scopus citations

Abstract

The inhibition of electrons-holes recombination and enhancement of visible light photocatalytic activity were accomplished by the synthesized TiO₂/CS nanocomposites system. In this present work, the different weight ratio of TiO₂ and chitosan (75:25, 50:50 and 25:75) nanocomposites were synthesized via two-step method. After that, the existing functional groups, size and structure of the nanocomposites system were characterized via FT-IR, TEM and XRD measurements. The band gap of the prepared materials and its excitation and emission spectra were elevated through UV–vis and PL analyses. Moreover, the MO and MB degradation capability of the synthesized TiO₂/CS nanocomposites was optimized, and the outcomes are described in detail.

Original language	English
Pages (from-to)	1239-1245
Number of pages	7
Journal	International Journal of Biological Macromolecules
Volume	109
DOIs	https://doi.org/10.1016/j.ijbiomac.2017.11.125
State	Published - 1 Apr 2018
Externally published	Yes

Keywords

Nanocomposites
Photocatalyst
Visible light

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10.1016/j.ijbiomac.2017.11.125

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title = "Crystallinity and lowering band gap induced visible light photocatalytic activity of TiO2/CS (Chitosan) nanocomposites",

abstract = "The inhibition of electrons-holes recombination and enhancement of visible light photocatalytic activity were accomplished by the synthesized TiO2/CS nanocomposites system. In this present work, the different weight ratio of TiO2 and chitosan (75:25, 50:50 and 25:75) nanocomposites were synthesized via two-step method. After that, the existing functional groups, size and structure of the nanocomposites system were characterized via FT-IR, TEM and XRD measurements. The band gap of the prepared materials and its excitation and emission spectra were elevated through UV{\textendash}vis and PL analyses. Moreover, the MO and MB degradation capability of the synthesized TiO2/CS nanocomposites was optimized, and the outcomes are described in detail.",

keywords = "Nanocomposites, Photocatalyst, Visible light",

author = "R. Saravanan and J. Aviles and F. Gracia and E. Mosquera and Gupta, \{Vinod Kumar\}",

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doi = "10.1016/j.ijbiomac.2017.11.125",

language = "English",

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TY - JOUR

T1 - Crystallinity and lowering band gap induced visible light photocatalytic activity of TiO2/CS (Chitosan) nanocomposites

AU - Saravanan, R.

AU - Aviles, J.

AU - Gracia, F.

AU - Mosquera, E.

AU - Gupta, Vinod Kumar

PY - 2018/4/1

Y1 - 2018/4/1

N2 - The inhibition of electrons-holes recombination and enhancement of visible light photocatalytic activity were accomplished by the synthesized TiO2/CS nanocomposites system. In this present work, the different weight ratio of TiO2 and chitosan (75:25, 50:50 and 25:75) nanocomposites were synthesized via two-step method. After that, the existing functional groups, size and structure of the nanocomposites system were characterized via FT-IR, TEM and XRD measurements. The band gap of the prepared materials and its excitation and emission spectra were elevated through UV–vis and PL analyses. Moreover, the MO and MB degradation capability of the synthesized TiO2/CS nanocomposites was optimized, and the outcomes are described in detail.

AB - The inhibition of electrons-holes recombination and enhancement of visible light photocatalytic activity were accomplished by the synthesized TiO2/CS nanocomposites system. In this present work, the different weight ratio of TiO2 and chitosan (75:25, 50:50 and 25:75) nanocomposites were synthesized via two-step method. After that, the existing functional groups, size and structure of the nanocomposites system were characterized via FT-IR, TEM and XRD measurements. The band gap of the prepared materials and its excitation and emission spectra were elevated through UV–vis and PL analyses. Moreover, the MO and MB degradation capability of the synthesized TiO2/CS nanocomposites was optimized, and the outcomes are described in detail.

KW - Nanocomposites

KW - Photocatalyst

KW - Visible light

UR - https://www.scopus.com/pages/publications/85035112315

U2 - 10.1016/j.ijbiomac.2017.11.125

DO - 10.1016/j.ijbiomac.2017.11.125

M3 - Article

C2 - 29175525

AN - SCOPUS:85035112315

SN - 0141-8130

VL - 109

SP - 1239

EP - 1245

JO - International Journal of Biological Macromolecules

JF - International Journal of Biological Macromolecules

ER -

Crystallinity and lowering band gap induced visible light photocatalytic activity of TiO₂/CS (Chitosan) nanocomposites

Abstract

Keywords

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