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https://hdl.handle.net/2440/105844
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Type: | Journal article |
Title: | Carbon nanotubes in TiO₂ nanofiber photoelectrodes for high-performance perovskite solar cells |
Other Titles: | Carbon nanotubes in TiO(2) nanofiber photoelectrodes for high-performance perovskite solar cells |
Author: | Batmunkh, M. Macdonald, T. Shearer, C. Bat-Erdene, M. Wang, Y. Biggs, M. Parkin, I. Nann, T. Shapter, J. |
Citation: | Advanced Science, 2017; 4(4):1600504-1-1600504-11 |
Publisher: | Wiley |
Issue Date: | 2017 |
ISSN: | 2198-3844 2198-3844 |
Statement of Responsibility: | Munkhbayar Batmunkh, Thomas J. Macdonald, Cameron J. Shearer, Munkhjargal Bat-Erdene, Yun Wang, Mark J. Biggs, Ivan P. Parkin, Thomas Nann, and Joseph G. Shapter |
Abstract: | 1D semiconducting oxides are unique structures that have been widely used for photovoltaic (PV) devices due to their capability to provide a direct pathway for charge transport. In addition, carbon nanotubes (CNTs) have played multifunctional roles in a range of PV cells because of their fascinating properties. Herein, the influence of CNTs on the PV performance of 1D titanium dioxide nanofiber (TiO2 NF) photoelectrode perovskite solar cells (PSCs) is systematically explored. Among the different types of CNTs, single-walled CNTs (SWCNTs) incorporated in the TiO2 NF photoelectrode PSCs show a significant enhancement (≈40%) in the power conversion efficiency (PCE) as compared to control cells. SWCNTs incorporated in TiO2 NFs provide a fast electron transfer within the photoelectrode, resulting in an increase in the short-circuit current (J sc) value. On the basis of our theoretical calculations, the improved open-circuit voltage (V oc) of the cells can be attributed to a shift in energy level of the photoelectrodes after the introduction of SWCNTs. Furthermore, it is found that the incorporation of SWCNTs into TiO2 NFs reduces the hysteresis effect and improves the stability of the PSC devices. In this study, the best performing PSC device constructed with SWCNT structures achieves a PCE of 14.03%. |
Keywords: | TiO2 nanofibers carbon nanotubes perovskite solar cells photoelectrodes photovoltaic |
Description: | Published online: January 20, 2017 |
Rights: | © 2017 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
DOI: | 10.1002/advs.201600504 |
Grant ID: | http://purl.org/au-research/grants/arc/DP130101714 http://purl.org/au-research/grants/arc/DP150101354 http://purl.org/au-research/grants/arc/DP160101301 |
Published version: | http://dx.doi.org/10.1002/advs.201600504 |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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hdl_105844.pdf | Published version | 4.52 MB | Adobe PDF | View/Open |
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