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首页> 外文期刊>Journal of physical chemistry letters >Probing the Intrinsic Thermal and Photochemical Stability of Hybrid and Inorganic Lead Halide Perovskites
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Probing the Intrinsic Thermal and Photochemical Stability of Hybrid and Inorganic Lead Halide Perovskites

机译:探讨杂种和无机卤化卤化物钙酸盐的内在热和光化学稳定性

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摘要

We report a careful and systematic study of thermal and photochemical degradation of a series of complex haloplumbates APbX(3) (X = I, Br) with hybrid organic (A(+) = CH3NH3) and inorganic (A(+) = Cs+) cations under anoxic conditions (i.e., without exposure to oxygen and moisture by testing in an inert glovebox environment). We show that the most common hybrid materials (e.g., MAPbI(3)) are intrinsically unstable with respect to the heat-and light-induced stress and, therefore, can hardly sustain the real solar cell operation conditions. On the contrary, the cesium-based all-inorganic complex lead halides revealed far superior stability and, therefore, provide an impetus for creation of highly efficient and stable perovskite solar cells that can potentially achieve pragmatic operational benchmarks.
机译:我们报告了一种仔细而系统地研究了一系列复合光晕的热和光化学劣化的研究,其复合光晕APBX(3)(X = I,BR)(A(+)= CH 3 NH 3)和无机(A(+)= CS +) 在缺氧条件下的阳离子(即,通过在惰性手套箱环境中测试,通过测试而不接触氧气和水分)。 我们表明,最常见的混合材料(例如,MAPBI(3))对于热和光引起的应力,本质上是不稳定的,因此可以难以维持真实的太阳能电池操作条件。 相反,基于铯的全无机复合铅卤化物显示出远远卓越的稳定性,因此提供了一种用于创建高效和稳定的钙钛矿太阳能电池的推动力,这可能潜在地实现务实的操作基准。

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