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Ammonium tartrate, the ammonium salt of tartaric acid, is used in such applications as cell culture and chromatography. Ammonium tartrate has been used to displace sodium for the analysis of a modified oligonucleotide by matrix-assisted laser desorption/ionization post-source decay (MALDI-PSD).
Perovskite solar cell based on trimethylsilyl methanesulfonate modification and preparation method thereof
The application discloses a perovskite solar cell based on trimethylsilyl methanesulfonate modification and a preparation method thereof. The cell comprises an anode substrate, an electron transport layer, a buried bottom interface modification layer, a perovskite light absorption layer, a top interface modification layer, a hole transport layer and a cathode layer. The electron transport layer is SnO2 modified by ammonium tartrate (AT) and nitric acid (HNO3), and the perovskite light absorption layer is CsPbI2Br. Trimethylsilyl methanesulfonate (TMSEs) is used as the buried bottom interface modification layer to modify the interface between the SnO2 electron transport layer and the CsPbI2Br perovskite light absorption layer, to construct a molecular bridge on the interface, to passivate the defects of the SnO2 / CsPbI2Br interface, to inhibit the non-radiative recombination of the interface, and to improve the room-temperature black-phase stability of the CsPbI2Br perovskite film, thereby improving the performance of the perovskite solar cell device. The method has low cost, is simple and easy to operate, is suitable for the preparation of large-scale perovskite solar cells, and has important research and application values.
Owner:CHINA JILIANG UNIV