Broadband light active MTCNQ-based metalorganic semiconducting hybrids for enhanced redox catalysis

Mohammadtaheri, M, Ramanathan, R, Walia, S, Ahmed, T, Weerathunge, W, Anderson, S, Field, M, Dekiwadia, C, O'Mullane, A, Della Gaspera, E, Bhaskaran, M, Sriram, S and Bansal, V 2018, 'Broadband light active MTCNQ-based metalorganic semiconducting hybrids for enhanced redox catalysis', Applied Materials Today, vol. 13, pp. 107-115.

Document type: Journal Article
Collection: Journal Articles

Title Broadband light active MTCNQ-based metalorganic semiconducting hybrids for enhanced redox catalysis
Author(s) Mohammadtaheri, M
Ramanathan, R
Walia, S
Ahmed, T
Weerathunge, W
Anderson, S
Field, M
Dekiwadia, C
O'Mullane, A
Della Gaspera, E
Bhaskaran, M
Sriram, S
Bansal, V
Year 2018
Journal name Applied Materials Today
Volume number 13
Start page 107
End page 115
Total pages 9
Publisher Elsevier BV
Abstract Efficient harvesting of solar light is highly desirable for a wide range of applications, including photocatalysis and energy conversion. However, traditional semiconducting metal oxide photocatalysts are typically effective only under UV irradiation while metalmetal oxide hybrids can utilize the UV as well as the visible component of the solar light. In this article, we fabricate hybrids of metal7,7,8,8-tetracyanoquinodimethane (TCNQ) on cotton fibres as a supporting three-dimensional (3D) template for photo-reductive catalysis. These materials extend the absorption of light from the visible to infrared region, thereby allowing the use of over 95% of solar irradiation. We demonstrate the ability of these materials to harvest light across a broad wavelength range by utilizing them as highly active materials for reductive photocatalysis. The mechanism of the underlying charge-transfer phenomena under different photo-excitation conditions reveals a photo-illumination induced redox process at the catalyst/reactant interface resulting in superior catalytic efficiency.
Subject Synthesis of Materials
Keyword(s) Broadband light harvesting materials
Charge-transfer complexes
Metalorganic semiconductors
DOI - identifier 10.1016/j.apmt.2018.08.008
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 2352-9407
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