Carbazole hole transport material as well as synthesis method and application thereof

The invention belongs to the technical field of solar cells, and discloses a carbazole hole transport material and a synthesis method thereof, and an application of the carbazole hole transport material in a Cs2AgBiBr6 double-perovskite solar cell. According to the carbazole hole transport material...

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Hauptverfasser: MENG JINWEI, HE ZHIXIA, CHEN CHENG, CHENG MING, XIA ZIYANG
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention belongs to the technical field of solar cells, and discloses a carbazole hole transport material and a synthesis method thereof, and an application of the carbazole hole transport material in a Cs2AgBiBr6 double-perovskite solar cell. According to the carbazole hole transport material disclosed by the invention, thiophene is used as a core structure, a carbazole derivative is used as a bridging group, and N-(9, 9-dimethyl-9H-3-fluorene)-4-methoxyaniline is used as a terminal group. The preparation method comprises the following steps: firstly, carrying out Suzuki coupling reaction on 2, 5-dibromothiophene and a compound 1 to obtain an intermediate 2; performing bromination reaction on the intermediate 2 to obtain an intermediate 3; then, the intermediate 3 and a reactant 4 are subjected to a Buchwald-Harwig coupling reaction, and the final product PTDCZ-TFNP is obtained. The PTDCZ-TFNP and Spiro-OMeTAD hole transport layer construct a double hole transport layer, the double hole transport layer