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Lead-free metal-halide double perovskites: from optoelectronic properties to applications
Nanophotonics ( IF 6.5 ) Pub Date : 2020-06-01 , DOI: 10.1515/nanoph-2020-0548
Mehri Ghasemi 1, 2 , Mengmeng Hao 2 , Mu Xiao 2 , Peng Chen 2 , Dongxu He 2 , Yurou Zhang 2 , Weijian Chen 1 , Jiandong Fan 3 , Jung H. Yun 2 , Baohua Jia 1 , Xiaoming Wen 1
Affiliation  

Lead (Pb) halide perovskites have witnessed highly promising achievements for high-efficiency solar cells, light-emitting diodes (LEDs), and photo/radiation detectors due to their exceptional optoelectronic properties. However, compound stability and Pb toxicity are still two main obstacles towards the commercialization of halide perovskite-based devices. Therefore, it is of substantial interest to search for non-toxic candidates with comparable photophysical characteristics. Metal-halide double perovskites (MHDPs), A 2 BBʹX 6 , are recently booming as promising alternatives for Pb-based halide-perovskites for their non-toxicity and significantly enhanced chemical and thermodynamic stability. Moreover, this family exhibits rich combinatorial chemistry with tuneable optoelectronic properties and thus a great potential for a broad range of optoelectronic/electronic applications. Herein, we present a comprehensive review of the MHDPs synthesized so far, and classified by their optical and electronic properties. We systematically generalize their electronic structure by both theoretical and experimental efforts to prospect the relevant optoelectronic properties required by different applications. The progress of the materials in various applications is explicated in view of the material structure-function relationship. Finally, a perspective outlook to improve the physical and optoelectronic properties of the materials is proposed aiming at fostering their future development and applications.

中文翻译:

无铅金属卤化物双钙钛矿:从光电性能到应用

铅 (Pb) 卤化物钙钛矿由于其卓越的光电特性,在高效太阳能电池、发光二极管 (LED) 和光/辐射探测器方面取得了非常有希望的成就。然而,化合物稳定性和铅毒性仍然是基于卤化物钙钛矿的器件商业化的两个主要障碍。因此,寻找具有可比光物理特性的无毒候选物具有重要意义。金属卤化物双钙钛矿(MHDP),A 2 BBʹX 6 ,由于其无毒和显着增强的化学和热力学稳定性,最近作为铅基卤化物钙钛矿的有前途的替代品而蓬勃发展。而且,该家族展示了丰富的组合化学和可调的光电特性,因此在广泛的光电/电子应用中具有巨大的潜力。在此,我们全面回顾了迄今为止合成的 MHDP,并根据其光学和电子特性进行分类。我们通过理论和实验工作系统地概括了它们的电子结构,以展望不同应用所需的相关光电特性。从材料的结构-功能关系阐述了材料在各种应用中的进展。最后,提出了改善材料物理和光电性能的前景展望,旨在促进其未来的发展和应用。我们对迄今为止合成的 MHDP 进行了全面回顾,并根据它们的光学和电子特性进行分类。我们通过理论和实验工作系统地概括了它们的电子结构,以展望不同应用所需的相关光电特性。从材料的结构-功能关系阐述了材料在各种应用中的进展。最后,提出了改善材料物理和光电性能的前景展望,旨在促进其未来的发展和应用。我们对迄今为止合成的 MHDP 进行了全面回顾,并根据它们的光学和电子特性进行分类。我们通过理论和实验工作系统地概括了它们的电子结构,以展望不同应用所需的相关光电特性。从材料的结构-功能关系阐述了材料在各种应用中的进展。最后,提出了改善材料物理和光电性能的前景展望,旨在促进其未来的发展和应用。我们通过理论和实验工作系统地概括了它们的电子结构,以展望不同应用所需的相关光电特性。从材料的结构-功能关系阐述了材料在各种应用中的进展。最后,提出了改善材料物理和光电性能的前景展望,旨在促进其未来的发展和应用。我们通过理论和实验工作系统地概括了它们的电子结构,以展望不同应用所需的相关光电特性。从材料的结构-功能关系阐述了材料在各种应用中的进展。最后,提出了改善材料物理和光电性能的前景展望,旨在促进其未来的发展和应用。
更新日期:2020-06-01
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