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Plasmon enhanced visible light photocatalytic activity in polymer-derived TiN/Si-O-C-N nanocomposites
Eranezhuth Wasan Awin, Abhijeet Lale, , Umit B. Demirci, Samuel Bernard,
Published in Elsevier Ltd
2018
Volume: 157
   
Pages: 87 - 96
Abstract
Herein, we provide a detailed insight into the precursor chemistry, precursor-to-material transformation and characterization of nanocomposites made of a TiN nanophase and a Si-O-C-N ceramic. The polymer-derived ceramics (PDCs) route applied to synthesize these nanocomposites resulted in the formation of nanocrystals less than 4 nm in size and the calculated lattice parameter value for the nanocrystals (a = 0.4239 nm) matched the theoretical value of TiN (a = 0.4241 nm). The Si-O-C-N ceramic served as a platform for anchoring TiN nanocrystals. As a proof of concept, we have attempted to exploit the plasmonic properties of nanocomposites to achieve photocatalytic degradation of organic dyes. The absorption spectra clearly showed plasmonic resonance in the visible region with peak positioned around 670 nm according to the presence of TiN nanocrystals which resulted in the enhancement of dye degradation. © 2018 Elsevier Ltd
About the journal
JournalData powered by TypesetMaterials and Design
PublisherData powered by TypesetElsevier Ltd
ISSN02641275
Open AccessNo
Concepts (17)
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    Ceramic materials
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    Nanocomposites
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    Nanocrystals
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    Photocatalysis
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    Photodegradation
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    Plasmonics
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    Plasmons
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    Titanium nitride
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    DYEDEGRADATION
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    LATTICE PARAMETER VALUES
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    MATERIAL TRANSFORMATION
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    Photo catalytic degradation
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    Plasmonic properties
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    PLASMONIC RESONANCES
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    POLYMERDERIVED CERAMICS (PDCS)
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    Visible light photocatalytic activity
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    Silicon compounds