BaSnO3 Perovskite Nanoparticles for High Efficiency Dye-Sensitized Solar Cells

The synthesis of highly crystalline perovskite BaSnO3 nanoparticles for use as photoanode materials in dye‐sensitized solar cells (DSSCs) is reported, and the photovoltaic properties of DSSCs based on BaSnO3 nanoparticles (BaSnO3 cells) are demonstrated. The resulting DSSCs exhibit remarkably rapid...

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Veröffentlicht in:ChemSusChem 2013-03, Vol.6 (3), p.449-454
Hauptverfasser: Kim, Dong Wook, Shin, Seong Sik, Lee, Sangwook, Cho, In Sun, Kim, Dong Hoe, Lee, Chan Woo, Jung, Hyun Suk, Hong, Kug Sun
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Sprache:eng
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Zusammenfassung:The synthesis of highly crystalline perovskite BaSnO3 nanoparticles for use as photoanode materials in dye‐sensitized solar cells (DSSCs) is reported, and the photovoltaic properties of DSSCs based on BaSnO3 nanoparticles (BaSnO3 cells) are demonstrated. The resulting DSSCs exhibit remarkably rapid charge collection and a DSSC fabricated with a BaSnO3 film thickness of 43 µm leads to a high energy conversion efficiency of 5.2 %, which is one of the highest reported for ternary oxide‐based DSSCs. More importantly, the BaSnO3 cells show superior charge collection in nanoparticle films compared to TiO2 cells and could offer a breakthrough in the efficiencies of DSSCs. Electron collection: A high‐potential material, BaSnO3, as the photoanode of a dye‐sensitized solar cell (DSSC) is explored. The DSSC that is fabricated using highly crystalline BaSnO3 nanoparticles shows an overall energy conversion efficiency of 5.2 %, which is the highest performance in ternary oxide‐based DSSCs. This high performance comes from rapid charge capture in the BaSnO3 nanoparticle photoelectrode.
ISSN:1864-5631
1864-564X
DOI:10.1002/cssc.201200769