Synthesis and Photovoltaic Properties of Simple Fluorene-Based Triphenylamine Metal-Free Organic Sensitizers for Dye-Sensitized Solar Cells
Abstract Two novel metal-free organic dyes, TM-a and TM-b derived from triphenylamine have been successfully synthesized and characterized. These D-π-A sensitizers feature triphenylamine as an electron donor, fluorene and thiophene as π-bridges, and 2-cyanoacrylic acid as both an acceptor and an anchor. This architecture allows a deeper insight into the effect of modification of the properties of D-π-A sensitizers, which is beneficial to improve their performance of in dye-sensitized solar cells (DSSCs). Both the TM-a and TM-b dyes displayed maximum absorption in the visible region at 457 and 454 nm, respectively. The DSSCs based on TM-a exhibited a superior photoelectric conversion efficiency, along with higher open-circuit voltage and short-circuit current (η 2.91%, VOC 657 mV, JSC 6.81 mA $ cm^{–2} $, and FF 0.65). These results indicate that the dye, with triphenylamine as an electron donor and fluorene as a π-linker, is a highly promising candidate for efficient DSSC applications..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:59 |
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| Enthalten in: |
Russian journal of organic chemistry - 59(2023), 2 vom: Feb., Seite 312-323 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Chen-Jie [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Anmerkungen: |
© Pleiades Publishing, Ltd. 2023 |
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| doi: |
10.1134/S1070428023020136 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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OLC2134680016 |
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| 520 | |a Abstract Two novel metal-free organic dyes, TM-a and TM-b derived from triphenylamine have been successfully synthesized and characterized. These D-π-A sensitizers feature triphenylamine as an electron donor, fluorene and thiophene as π-bridges, and 2-cyanoacrylic acid as both an acceptor and an anchor. This architecture allows a deeper insight into the effect of modification of the properties of D-π-A sensitizers, which is beneficial to improve their performance of in dye-sensitized solar cells (DSSCs). Both the TM-a and TM-b dyes displayed maximum absorption in the visible region at 457 and 454 nm, respectively. The DSSCs based on TM-a exhibited a superior photoelectric conversion efficiency, along with higher open-circuit voltage and short-circuit current (η 2.91%, VOC 657 mV, JSC 6.81 mA $ cm^{–2} $, and FF 0.65). These results indicate that the dye, with triphenylamine as an electron donor and fluorene as a π-linker, is a highly promising candidate for efficient DSSC applications. | ||
| 700 | 1 | |a Zhang, Jie |4 aut | |
| 700 | 1 | |a Huang, Zi-Long |4 aut | |
| 700 | 1 | |a Gao, Yu-Xing |4 aut | |
| 700 | 1 | |a Ye, Li-Yi |4 aut | |
| 700 | 1 | |a Yin, Ying-Wu |4 aut | |
| 700 | 1 | |a Tu, Song |4 aut | |
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