摘要
Metal-free dyes (EO1 to EO4) containing the hydrophilic triethylene oxide methyl ether (TEOME) unit in the spacer have been synthesized and used in dye-sensitized solar cells (DSSCs). Efficient lithium-ion trapping by TEOME results in improved open-circuit voltage (VOC), leading to excellent conversion efficiency of the cells, ranging from 9.02 to 9.98% with I-/I3- electrolyte in acetonitrile under AM1.5 illumination. The TEOME unit also enhances the wettability of the dye molecules for application in aqueous-based DSSCs. Aqueous-based DSSCs with a dual TEMPO/iodide electrolyte exhibit high VOC values (0.80-0.88V) and very promising cell performances of up to 5.97%.
原文 | 英語 |
---|---|
頁(從 - 到) | 2503-2513 |
頁數 | 11 |
期刊 | ChemSusChem |
卷 | 8 |
發行號 | 15 |
DOIs | |
出版狀態 | 已發佈 - 2015 8月 10 |
對外發佈 | 是 |
ASJC Scopus subject areas
- 環境化學
- 化學工程 (全部)
- 材料科學(全部)
- 能源(全部)