Metal oxide semiconducting interfacial layers for photovoltaic and photocatalytic applications

Naveen Elumalai; Chellappan Vijila; Rajan Jose; Ashraf Uddin; Seeram Ramakrishna

doi:10.1007/s40243-015-0054-9

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Metal oxide semiconducting interfacial layers for photovoltaic and photocatalytic applications

Journal article

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Metal oxide semiconducting interfacial layers for photovoltaic and photocatalytic applications

Naveen Elumalai, Chellappan Vijila, Rajan Jose, Ashraf Uddin and Seeram Ramakrishna

Materials for renewable and sustainable energy, Vol.4(3), pp.1-25

2015

DOI: https://doi.org/10.1007/s40243-015-0054-9

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Abstract

photovoltaic

metal oxide semiconductor

interfacial layers

renewable energy

photocatalysts

The present review rationalizes the significance of the metal oxide semiconductor (MOS) interfaces in the field of photovoltaics and photocatalysis. This perspective considers the role of interface science in energy harvesting using organic photovoltaics (OPVs) and dye-sensitized solar cells (DSSCs). These interfaces include large surface area junctions between photoelectrodes and dyes, the interlayer grain boundaries within the photoanodes, and the interfaces between photoactive layers and the top and bottom contacts. Controlling the collection and minimizing the trapping of charge carriers at these boundaries is crucial to overall power conversion efficiency of solar cells. Similarly, MOS photocatalysts exhibit strong variations in their photocatalytic activities as a function of band structure and surface states. Here, the MOS interface plays a vital role in the generation of OH radicals, which forms the basis of the photocatalytic processes. The physical chemistry and materials science of these MOS interfaces and their influence on device performance are also discussed.

Details

Title: Metal oxide semiconducting interfacial layers for photovoltaic and photocatalytic applications
Authors: Naveen Elumalai (Corresponding Author) - UNSW Sydney
Chellappan Vijila (Author) - Institute of Materials Research and Engineering
Rajan Jose (Author) - Universiti Malaysia Pahang Al-Sultan Abdullah
Ashraf Uddin (Author) - UNSW Sydney
Seeram Ramakrishna (Author) - National University of Singapore
Publication details: Materials for renewable and sustainable energy, Vol.4(3), pp.1-25
Publisher: SpringerOpen
Date published: 2015
DOI: 10.1007/s40243-015-0054-9
ISSN: 2194-1467
Copyright note: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. © The Author(s) 2015. This article is published with open access at Springerlink.com
Organisation Unit: School of Science, Technology and Engineering
Language: English
Record Identifier: 991224727202621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Materials Science, Multidisciplinary