A Blue Photosensitizer Realizing Efficient and Stable Green Solar Cells via Color Tuning by the Electrolyte

© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 32(2020), 17 vom: 22. Apr., Seite e2000193
1. Verfasser: Ren, Yameng (VerfasserIn)
Weitere Verfasser: Cao, Yiming, Zhang, Dan, Zakeeruddin, Shaik Mohammed, Hagfeldt, Anders, Wang, Peng, Grätzel, Michael
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article blue dyes dye-sensitized solar cells ionic liquid electrolytes porphyrin dyes semitransparent solar cells
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520 |a Semitransparent dye-sensitized solar cells (DSCs) are appealing as aesthetically pleasing and colorful see-through photovoltaics. Green semitransparent DSCs have been presented, but the best ones rely on green zinc porphyrin photosensitizers and high volatile electrolytes. For potential outdoor applications, the zinc porphyrin DSCs employing ionic liquid electrolytes merely reached a power conversion efficiency (PCE) of 6.3% even with opaque mesoporous TiO2 films. Herein, the new green DSC is realized by using a blue organic photosensitizer in conjunction with an orange ionic-liquid-based electrolyte, presenting a simple and an effective path for color tuning of photovoltaics. The new approach allows for broadly modulating the color from spring green to cyan by tuning the contributions of the light absorption by the dye-sensitized TiO2 film and the electrolyte layer. The new semitransparent DSCs with spring green to cyan colors have PCEs ranging from 6.7% to 8.1% and show stability for 1000 h under accelerated ageing test at 80 °C, superior to the zinc porphyrin DSCs. The findings pave a new way to achieve efficient and stable colorful solar cells 
650 4 |a Journal Article 
650 4 |a blue dyes 
650 4 |a dye-sensitized solar cells 
650 4 |a ionic liquid electrolytes 
650 4 |a porphyrin dyes 
650 4 |a semitransparent solar cells 
700 1 |a Cao, Yiming  |e verfasserin  |4 aut 
700 1 |a Zhang, Dan  |e verfasserin  |4 aut 
700 1 |a Zakeeruddin, Shaik Mohammed  |e verfasserin  |4 aut 
700 1 |a Hagfeldt, Anders  |e verfasserin  |4 aut 
700 1 |a Wang, Peng  |e verfasserin  |4 aut 
700 1 |a Grätzel, Michael  |e verfasserin  |4 aut 
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