Journal
IEEE TRANSACTIONS ON NANOTECHNOLOGY
Volume 20, Issue -, Pages 507-511Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNANO.2021.3088954
Keywords
Dye-sensitized solar cell (DSSC); FePt nanoparticles; electrospinning; nanofibers (NFs); titanium dioxide (TiO2)
Categories
Funding
- Ministry of Science and Technology, Taiwan [MOST 108-2221-E-224-019, MOST 109-2221E-224-013]
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FePt/TiO2 nanofibers were successfully prepared and characterized, showing improved photovoltaic characteristics for dye-sensitized solar cells. The addition of FePt nanoparticles into TiO2 nanofibers led to a 16% increase in photoelectric conversion efficiency compared to unmodified cells. FePt/TiO2 nanofibers appear to be a promising candidate for enhancing DSSC performance.
TiO2/TiO2 nanofibers (NF) and FePt/TiO2 nanofibers (NF) were successfully prepared by the sol-gel method and electrospinning technology. Nanofibers were added to the photoanode of the dye-sensitized solar cell (DSSC) as an additional layer, and its effect on the DSSC characteristics were studied. FePt/TiO2 nanofibers were determined using an X-ray diffractometer (XRD), confirming that the FePt nanoparticles were successfully doped into the TiO2 nanofibers. Electrochemical impedance spectroscopy (EIS), J-V characterization and incidental photon to current efficiency (IPCE) measurements showed how the FePt/TiO2 nanofibers improved the DSSC photovoltaic characteristics. The photoanode modified with FePt/TiO2 showed improved photoelectric conversion efficiency (eta). Compared with unmodified DSSCs (TiO2 only photoanode), the eta improved by 16%. Following this research, FePt/TiO2 nanofibers appear to be a key candidate for improving DSSC in photovoltaic performance.
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