期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 7, 期 13, 页码 7581-7590出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta00472f
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资金
- Faculty of Natural Sciences at NTNU
- Department of Chemistry at NTNU
- Research Council of Norway [245963/F50, 226244/F50]
Auxiliary donors are common design motifs for phenothiazine sensitizers for dye-sensitized solar cells. Despite this, there are only a few reports on their overall contribution to the photon-to-electron conversion efficiency. Twelve sensitizers have been prepared and investigated, including ten different auxiliary donors in addition to a control with no auxiliary donor. The various auxiliary donors improved the PCE by a modest 4-11%, and pyrene (AFB-19) was determined to be the most efficient auxiliary donor, with the best cell delivering a PCE of 5.36%. Included in the dye series was also the champion dye within the phenothiazine class. With a reported PCE of 12.1%, it would be an excellent phenothiazine reference dye. The high V-OC of 0.83 V of this dye is worth further investigation, but the absorption and photovoltaic performance in this work does not correlate with the previously reported PCE of 12.1%.
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