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|dc.identifier.citation||VOL 2, NO 1, 16185||-|
|dc.description.abstract||The solar-driven splitting of hydrohalic acids (HX) is an important and fast growing research direction for H-2 production. In addition to the hydrogen, the resulting chemicals (X-2/X-3(-)) can be used to propagate a continuous process in a closed cycle and are themselves useful products. Here we present a strategy for photocatalytic hydrogen iodide (HI) splitting using methylammonium lead iodide (MAPbI(3)) in an effort to develop a cost-effective and easily scalable process. Considering that MAPbI(3) is awater-soluble ionic compound, we exploit the dynamic equilibrium of the dissolution and precipitation of MAPbI(3) in saturated aqueous solutions. The I- and H+ concentrations of the aqueous solution are determined to be the critical parameters for the stabilization of the tetragonal MAPbI(3) phase. Stable and effcient H-2 production under visible light irradiation was demonstrated. The solar HI splitting effciency of MAPbI(3) was 0.81% when using Pt as a cocatalyst.||-|
|dc.title||Photocatalytic Hydrogen Generation from Hydriodic Acid Using Methylammonium Lead Iodide in Dynamic Equilibrium with Aqueous Solution||-|
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