Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs)

A. Ehrmann, A. Mamun, M. Trabelsi, M. Klöcker, L. Sabantina, C. Großerhode, T. Blachowicz, G. Grötsch, C. Cornelißen, A. Streitenberger, Fibers 7 (2019).

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Artikel | Veröffentlicht | Englisch
Autor*in
Ehrmann, AndreaFH Bielefeld ; Mamun, Al; Trabelsi, Marah; Klöcker, Michaela; Sabantina, Lilia; Großerhode, Christina; Blachowicz, Tomasz; Grötsch, Georg; Cornelißen, Carsten; Streitenberger, Almuth
Abstract
TiO2 is a semiconductor that is commonly used in dye-sensitized solar cells (DSSCs). However, the necessity of sintering the TiO2 layer is usually problematic due to the desired temperatures of typically 500 °C in cells that are prepared on polymeric or textile electrodes. This is why textile-based DSSCs often use metal fibers or metallic woven fabrics as front electrodes on which the TiO2 is coated. Alternatively, several research groups investigate the possibilities to reduce the necessary sintering temperatures by chemical or other pre-treatments of the TiO2. Here, we report on a simple method to avoid the sintering step by using a nanofiber mat as a matrix embedding TiO2 nanoparticles. The TiO2 layer can be dyed with natural dyes, resulting in a similar bathochromic shift of the UV/Vis spectrum, as it is known from sintered TiO2 on glass substrates, which indicates an equivalent chemical bonding. Our results indicate a new possibility for producing textile-based DSSCs with TiO2, even on textile fabrics that are not high-temperature resistant.
Erscheinungsjahr
Zeitschriftentitel
Fibers
Band
7
Zeitschriftennummer
7
Artikelnummer
60
FH-PUB-ID
570

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Ehrmann, Andrea ; Mamun, Al ; Trabelsi, Marah ; Klöcker, Michaela ; Sabantina, Lilia ; Großerhode, Christina ; Blachowicz, Tomasz ; Grötsch, Georg ; u. a.: Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs). In: Fibers Bd. 7 (2019), Nr. 7
Ehrmann A, Mamun A, Trabelsi M, et al. Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs). Fibers. 2019;7(7). doi:10.3390/fib7070060
Ehrmann, A., Mamun, A., Trabelsi, M., Klöcker, M., Sabantina, L., Großerhode, C., … Streitenberger, A. (2019). Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs). Fibers, 7(7). https://doi.org/10.3390/fib7070060
@article{Ehrmann_Mamun_Trabelsi_Klöcker_Sabantina_Großerhode_Blachowicz_Grötsch_Cornelißen_Streitenberger_2019, title={Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs)}, volume={7}, DOI={10.3390/fib7070060}, number={760}, journal={Fibers}, author={Ehrmann, Andrea and Mamun, Al and Trabelsi, Marah and Klöcker, Michaela and Sabantina, Lilia and Großerhode, Christina and Blachowicz, Tomasz and Grötsch, Georg and Cornelißen, Carsten and Streitenberger, Almuth}, year={2019} }
Ehrmann, Andrea, Al Mamun, Marah Trabelsi, Michaela Klöcker, Lilia Sabantina, Christina Großerhode, Tomasz Blachowicz, Georg Grötsch, Carsten Cornelißen, and Almuth Streitenberger. “Electrospun Nanofiber Mats with Embedded Non-Sintered TiO2 for Dye-Sensitized Solar Cells (DSSCs).” Fibers 7, no. 7 (2019). https://doi.org/10.3390/fib7070060.
A. Ehrmann et al., “Electrospun nanofiber mats with embedded non-sintered TiO2 for dye-sensitized solar cells (DSSCs),” Fibers, vol. 7, no. 7, 2019.
Ehrmann, Andrea, et al. “Electrospun Nanofiber Mats with Embedded Non-Sintered TiO2 for Dye-Sensitized Solar Cells (DSSCs).” Fibers, vol. 7, no. 7, 60, 2019, doi:10.3390/fib7070060.

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