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Issue 15, 2017
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Photoactive PANI/TiO2/Si composite coatings with 3D bio-inspired structures

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Abstract

A novel and facile approach to fabricate photoactive polyaniline/titania/silicon coatings with 3D compound-eye structures was reported, based on anisotropic wet etching, hydro-thermal synthesis and chemical oxidation. For 3D compound-eye coatings, the choice of materials and design of structures were well-founded. The composite coatings exhibited broadband antireflection property (less than 3.2% of reflectivity at wavelengths from 200 to 2400 nm), super-hydrophilicity with a static contact angle of 0.7° and double p/n hetero-junctions, exhibiting superior photocurrent. It further demonstrated that by exploiting the advantages of this method, the application of such structures in the photocatalytic area is thus straightforward.

Graphical abstract: Photoactive PANI/TiO2/Si composite coatings with 3D bio-inspired structures

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Publication details

The article was received on 03 Feb 2017, accepted on 15 Jun 2017 and first published on 15 Jun 2017


Article type: Letter
DOI: 10.1039/C7NJ00395A
Citation: New J. Chem., 2017,41, 6965-6968
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    Photoactive PANI/TiO2/Si composite coatings with 3D bio-inspired structures

    G. Shi, J. Guo, L. Wang, X. Sang, J. Wang, J. Yang and Y. Li, New J. Chem., 2017, 41, 6965
    DOI: 10.1039/C7NJ00395A

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