Journal
ELECTROCHIMICA ACTA
Volume 193, Issue -, Pages 166-171Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.02.045
Keywords
Dye-sensitized solar cells; composite photoelectrode; spectral convertors
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Funding
- National Research Foundation (NRF) - Korea government (MSIP) [2014R1A2A1A11051146]
- National Research Foundation of Korea [2014R1A2A1A11051146] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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In this study, a TiO2 nanofiber/nanoparticles composite photoelectrode was combined with spectral convertors to improve the overall efficiency of dye-sensitized solar cells (DSSCs). In a typical preparation process, several photoelectrodes (PE) with equal thickness but different compositions were prepared. The DSSC composed of TiO2 nanofiber/nanoparticles incorporated with 15 wt.% spectral convertors showed an optimal light-to-electric energy conversion efficiency of 8.94%. This light-to-electricity conversion efficiency was 38.6% higher than that of the bare DSSC with TiO2 nanoparticles only. The significantly enhanced efficiency of the DSSC was attributed to the highly favored scattering effect from the TiO2 nanofibers in combination with enhanced incident light harvesting from spectral convertors. (C) 2016 Elsevier Ltd. All rights reserved.
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