Lead-Free Halide Double Perovskite Materials: A New Superstar Toward Green and Stable Optoelectronic Applications.
Lead-Free Halide Double Perovskite Materials: A New Superstar Toward Green and Stable Optoelectronic Applications.
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无铅卤化物双钙钛矿材料：迈向绿色稳定光电应用的新巨星
DOI：
10.1007/s40820-019-0244-6
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发表时间：
2019-02-27
影响因子：
26.6
通讯作者：
Li X
中科院分区：
文献类型：
--
作者：
Chu L;Ahmad W;Liu W;Yang J;Zhang R;Sun Y;Yang J;Li X
铅基卤化物钙钛矿作为一种优良的半导体材料，在光伏、照明、激光和光子探测等领域有着广泛的应用。然而，铅的毒性和较差的稳定性仍然是巨大的挑战。可喜的是，分子式为A2M(I)M(III)X6或A2M(IV)X6的卤化物双钙钛矿材料有望成为一种稳定的、绿色的光电子学替代材料，其中两个二价铅离子可以通过一价离子和三价离子或一个四价离子的结合来取代。本文综述了卤化物双钙钛矿材料及其光电应用的最新进展，包括光电探测器、X射线探测器、光催化剂、发光二极管和太阳能电池。合成的卤化物双钙钛矿材料具有优异的稳定性，少数材料具有优异的光电性能。然而，合成的卤化物双钙钛矿的数量是有限的，到目前为止，用于光电子应用的材料已经开发出更有限的材料。此外，材料的能带结构和载流子输运性能仍然不理想，对于光伏应用来说，薄膜的质量仍然很低。因此，我们建议继续努力开发更多的卤化物双钙钛矿材料，并对其进行性能调节，生长出高质量的薄膜，以期打开广阔的实际应用前景。
Lead-based halide perovskites have emerged as excellent semiconductors for a broad range of optoelectronic applications, such as photovoltaics, lighting, lasing and photon detection. However, toxicity of lead and poor stability still represent significant challenges. Fortunately, halide double perovskite materials with formula of A2M(I)M(III)X6or A2M(IV)X6could be potentially regarded as stable and green alternatives for optoelectronic applications, where two divalent lead ions are substituted by combining one monovalent and one trivalent ions, or one tetravalent ion. Here, the article provides an up-to-date review on the developments of halide double perovskite materials and their related optoelectronic applications including photodetectors, X-ray detectors, photocatalyst, light-emitting diodes and solar cells. The synthesized halide double perovskite materials exhibit exceptional stability, and a few possess superior optoelectronic properties. However, the number of synthesized halide double perovskites is limited, and more limited materials have been developed for optoelectronic applications to date. In addition, the band structures and carrier transport properties of the materials are still not desired, and the films still manifest low quality for photovoltaic applications. Therefore, we propose that continuing efforts are needed to develop more halide double perovskites, modulate the properties and grow high-quality films, with the aim of opening the wild practical applications.
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影响因子：
39.8
作者：
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通讯作者：
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通讯作者：
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