研究目的
The development of low cost, stable and e?cient electron transport materials (ETMs) for perovskite solar cells (PSCs).
研究成果
The electrospray deposited MoS2 nanosheets as ETMs in PSCs demonstrate a maximum power conversion efficiency of 16.17%, comparable to SnO2 and TiO2 ETM based PSCs, with improved stability and reduced hysteresis. This presents a new route for constructing stable and efficient PSCs using low-cost, solution-processed MoS2 nanosheets.
研究不足
The study focuses on the development and characterization of MoS2 nanosheets as ETMs for PSCs, but does not explore their application in flexible electronics or under high-temperature conditions.
1：Experimental Design and Method Selection:
The study employs a scalable electrospraying technique for the direct deposition of hydrothermally synthesized two-dimensional (2D) MoS2 nanosheets as ETMs onto FTO glass substrates.
2：Sample Selection and Data Sources:
Hydrothermally synthesized MoS2 nanosheets are used as samples.
3：List of Experimental Equipment and Materials:
Includes ammonium molybdate, hydrazine monohydrate, sulfur, hydrochloric acid, lead (II) iodide, methyl ammonium iodide, and po-Spiro-MeOTAD hole transport material.
4：Experimental Procedures and Operational Workflow:
MoS2 nanosheets are synthesized via hydrothermal method, followed by electrospray deposition onto FTO substrates. Perovskite devices are fabricated in a N2-?lled glove box.
5：Data Analysis Methods:
Characterization includes SEM, TEM, XRD, PL spectra, UPS, and J-V measurements.
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