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Data from: Elevated Temperature Anodized Nb2O5: A Photoanode Material with Exceptionally Large Photoconversion Efficiencies

RMIT University, Australia
Dr Jianzhen Ou (Associated with, Aggregated by)
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://figshare.com/articles/Elevated_Temperature_Anodized_Nb_sub_2_sub_O_sub_5_sub_A_Photoanode_Material_with_Exceptionally_Large_Photoconversion_Efficiencies/2520790&rft.title=Data from: Elevated Temperature Anodized Nb2O5: A Photoanode Material with Exceptionally Large Photoconversion Efficiencies&rft.identifier=d6bab8972593cc23d6d59bc429488722&rft.publisher=RMIT University, Australia&rft.description=Attached file provides supplementary data for linked article. Here, we demonstrate that niobium pentoxide (Nb2O5) is an ideal candidate for increasing the efficiencies of dye-sensitized solar cells (DSSCs). The key lies in developing a Nb2O5 crisscross nanoporous network, using our unique elevated temperature anodization process. For the same thicknesses of ~4 µm, the DSSC based on the Nb2O5 layer has a significantly higher efficiency (~4.1%) when compared to that which incorporates a titanium dioxide nanotubular layer (~2.7%). This is the highest efficiency among all of the reported photoanodes for such a thickness when utilizing back-side illumination. We ascribe this to a combination of reduced electron scattering, greater surface area, wider band gap, and higher conduction band edge, as well as longer effective electron lifetimes. &rft.creator=Dr Jianzhen Ou&rft.date=2018&rft.relation=http://dx.doi.org/10.1021/nn300408p&rft_rights=All rights reserved&rft_rights=CC BY-NC: Attribution-Noncommercial 3.0 AU http://creativecommons.org/licenses/by-nc/3.0/au&rft_subject=Dye-sensitized solar cell&rft_subject=Nb2O5&rft_subject=Nanoporous network&rft_subject=TiO2&rft_subject=Anodization&rft_subject=Nanotechnology enabled devices&rft_subject=Functional materials and microsystems&rft_subject=Functional Materials&rft_subject=ENGINEERING&rft_subject=MATERIALS ENGINEERING&rft.type=dataset&rft.language=English Access the data
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Attached file provides supplementary data for linked article. Here, we demonstrate that niobium pentoxide (Nb2O5) is an ideal candidate for increasing the efficiencies of dye-sensitized solar cells (DSSCs). The key lies in developing a Nb2O5 crisscross nanoporous network, using our unique elevated temperature anodization process. For the same thicknesses of ~4 µm, the DSSC based on the Nb2O5 layer has a significantly higher efficiency (~4.1%) when compared to that which incorporates a titanium dioxide nanotubular layer (~2.7%). This is the highest efficiency among all of the reported photoanodes for such a thickness when utilizing back-side illumination. We ascribe this to a combination of reduced electron scattering, greater surface area, wider band gap, and higher conduction band edge, as well as longer effective electron lifetimes.

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Anodization | Dye-sensitized solar cell | Engineering | Functional Materials | Functional materials and microsystems | Materials Engineering | Nanoporous network | Nanotechnology enabled devices | Nb2O5 | TiO2 |

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