Methylhydrazinium Lead Halide Perovskites: Effect of Composition and Dimensionality on Their Optoelectronic and Photodetection Properties

IF 6.5 1区 物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Apurba Mahapatra, Vishnu Anilkumar, Andrea Scarperi, Dominik J. Kubicki, Pankaj Yadav, Mirosław Mączka, Daniel Prochowicz
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引用次数: 0

Abstract

Over the past few years, lead halide perovskites (LHPs) in the form of single crystals (SCs) have been intensively investigated for photodetection applications. Methylhydrazinium (MHy) is a new type of organic cation that can form either 2D or 3D halide perovskite structures. Here, we study single crystals MHy2PbI4 (2D), MHy2PbBr4 (2D), MHyPbBr3 (3D), and mixed-cation MA0.725MHy0.275PbBr3 to determine for the first time how dimensionality and composition affect the photodetection properties of photoconductor-type photodetectors fabricated using this class of solids. The results provide a reference for researchers working in the same domain by revealing the relationship between different types and structures of LHPs and their optoelectronic properties, which is crucial for the further advancement of LHP-based optoelectronic devices.

Abstract Image

甲基肼卤化铅钙钛矿:组成和尺寸对其光电和光电探测性能的影响
在过去的几年里,卤化铅钙钛矿(lhp)以单晶(SCs)的形式进行了深入的光探测应用研究。甲基肼(MHy)是一种新型有机阳离子,可以形成二维或三维卤化物钙钛矿结构。在这里,我们研究了单晶MHy2PbI4 (2D)、MHy2PbBr4 (2D)、MHyPbBr3 (3D)和混合阳离子MA0.725MHy0.275PbBr3,首次确定了尺寸和组成如何影响使用这类固体制造的光导体型光电探测器的光探测性能。研究结果揭示了不同类型和结构的lhp与其光电性能之间的关系,为同一领域的研究人员提供了参考,这对进一步推进基于lhp的光电器件至关重要。
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来源期刊
ACS Photonics
ACS Photonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
11.90
自引率
5.70%
发文量
438
审稿时长
2.3 months
期刊介绍: Published as soon as accepted and summarized in monthly issues, ACS Photonics will publish Research Articles, Letters, Perspectives, and Reviews, to encompass the full scope of published research in this field.
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