A new route for caesium lead halide perovskite deposition

IF 1.9 4区物理与天体物理 Q3 OPTICS

Journal of the European Optical Society-Rapid Publications Pub Date : 2021-06-02 DOI:10.1186/s41476-021-00153-y

Naomi Falsini, Andrea Ristori, Francesco Biccari, Nicola Calisi, Giammarco Roini, Paolo Scardi, Stefano Caporali, Anna Vinattieri

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引用次数: 11

Abstract

Inorganic metal halide perovskites are relevant semiconductors for optoelectronic devices. The successful deposition of thin films of CsPbBr₃ and CsPbCl₃ has recently been obtained by Radio-Frequency magnetron sputtering. In this work we compare the morphological, structural and optical characteristics of the two materials obtained with this deposition technique. A detailed photoluminescence (PL) spectroscopy study of the as-grown samples was conducted at the macro and micro scale in a wide temperature range (10-300 K) to fully characterize the PL on sample areas of square centimeters, to assess the origin of the inhomogeneous broadening and to quantify the PL quantum yield quenching. Our results prove that this technique allows for the realization of high quality nanometric films with controlled thickness of relevance for optoelectronic applications.

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卤化铅铯钙钛矿沉积新途径

无机金属卤化物钙钛矿是光电子器件的相关半导体。近年来，采用射频磁控溅射技术成功地沉积了CsPbBr3和CsPbCl3薄膜。在这项工作中，我们比较了用这种沉积技术获得的两种材料的形态，结构和光学特性。在宽温度范围(10-300 K)的宏观和微观尺度上对生长样品进行了详细的光致发光(PL)光谱研究，以充分表征样品平方厘米面积上的PL，评估不均匀展宽的起源，并量化PL量子产率猝灭。我们的研究结果证明，这种技术可以实现高质量的纳米薄膜，其厚度控制与光电应用相关。

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来源期刊

Journal of the European Optical Society-Rapid Publications 物理-光学

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

5 weeks

期刊介绍： Rapid progress in optics and photonics has broadened its application enormously into many branches, including information and communication technology, security, sensing, bio- and medical sciences, healthcare and chemistry. Recent achievements in other sciences have allowed continual discovery of new natural mysteries and formulation of challenging goals for optics that require further development of modern concepts and running fundamental research. The Journal of the European Optical Society – Rapid Publications (JEOS:RP) aims to tackle all of the aforementioned points in the form of prompt, scientific, high-quality communications that report on the latest findings. It presents emerging technologies and outlining strategic goals in optics and photonics. The journal covers both fundamental and applied topics, including but not limited to: Classical and quantum optics Light/matter interaction Optical communication Micro- and nanooptics Nonlinear optical phenomena Optical materials Optical metrology Optical spectroscopy Colour research Nano and metamaterials Modern photonics technology Optical engineering, design and instrumentation Optical applications in bio-physics and medicine Interdisciplinary fields using photonics, such as in energy, climate change and cultural heritage The journal aims to provide readers with recent and important achievements in optics/photonics and, as its name suggests, it strives for the shortest possible publication time.