ChemSusChem
ChemSusChem
4 years ago

Metal–Organic-Compound-Modified MoS2 with Enhanced Solubility for High-Performance Perovskite Solar Cells

Metal–Organic-Compound-Modified MoS2 with Enhanced Solubility for High-Performance Perovskite Solar Cells
Jie Wang, Yangyang Wang, Ruina Dai, Xianyu Deng
MoS2 as a graphene-like 2 D material shows a large potential to replace and even overcome graphene in various important applications owing to its ideal properties of electrical, optical, frictional, and tunable band gap. However, its low solubility in the most of common solvents makes it difficult to prepare by a simple solution process. Here, we introduce a metal–organic compound to modify MoS2. Phenyl acetylene silver (PAS)-functionalized MoS2 is easily dispersed in solvents like DMF and water. A conductive polymer PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) blend with the MoS2 leads to a significant enhancement of the performance of planar heterojunction perovskite solar cells. The solar cells have a high power conversion efficiency of 16.47 % as well as largely increased stability. This provides a feasible method for large-scale production of MoS2 for wide applications in various electric devices. Make it soluble: 2 D MoS2 is prepared from the modification with a metal– organic compound by a simple solution process to enhance its solubility. Planar perovskite solar cells with a blend of PEDOT:PSS and the modified MoS2 show a high power conversion efficiency of 16.47 % as well as largely increased stability.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/cssc.201700603

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