基于生长的CsPbBr3纳米线阵列与CdSSe纳米带主干平面内集成的光电互连应用

IF 7.4 2区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Xue Xia  (, ), Long Chen  (, ), Yaonan Xiong  (, ), Qi Deng  (, ), Wei Mou  (, ), Junxin Gong  (, ), Wenbin Zhang  (, ), Shulin Chen  (, ), Qinglin Zhang  (, )
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引用次数: 0

摘要

半导体纳米线广泛应用于光源、波导、光电探测器等领域,为光电互连应用提供了丰富的元器件。然而,各种器件的有效面内集成仍然具有挑战性,这是NWs实际应用的先决条件。在这里,CsPbBr3 NW阵列与CdSSe带状转移到云母上的基于生长的集成是通过气相沉积途径实现的。转移的条带不仅作为CsPbBr3的优先成核位点,而且打破了云母上CsPbBr3 NWs的生长对称性,使得与条带边缘夹角最大的导线长得更长并形成阵列。波导研究表明,CsPbBr3 NW阵列可以很好地限制和引导来自自身和CdSSe带的光发射。重要的是,基于所获得的异质结构,CsPbBr3 NWs作为光源和波导,pd由CdSSe带制成,成功地证明了光电互连。在距离CdSSe条带37.5µm处,聚焦457 nm激光照射单个CsPbBr3 NW,由于PD对导光的有效响应,系统的开/关比达到8.3×103。此外,该系统可以识别远低于2000hz的脉冲光激发,但受限于pd的响应速度。这项工作为纳米级光发射器、波导和探测器的片上集成铺平了道路,促进了半导体NWs在光子电路中的实际应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optoelectronic interconnection applications from growth-based monolithic in-plane integration of CsPbBr3 nanowire arrays with CdSSe nanoribbon trunks

Semiconductor nanowires (NWs) have been extensively applied in light sources, waveguides, photodetectors (PDs), etc., which provide abundant components for optoelectronic interconnection applications. However, the efficient in-plane integration of various devices remains challenging, which is a prerequisite for the practical application of NWs. Here, the growth-based integration of CsPbBr3 NW arrays with CdSSe ribbons transferred onto mica is achieved via a vapor deposition route. The transferred ribbons not only act as preferential nucleation sites for CsPbBr3, but also break the growth symmetry of CsPbBr3 NWs on mica, allowing wires with the largest angle to the ribbon edge to grow longer and form arrays. The waveguide studies show that the CsPbBr3 NW arrays can confine and guide the light emission from both themselves and the CdSSe ribbon well. Importantly, the optoelectronic interconnection was successfully demonstrated based on the achieved heterostructures, where the CsPbBr3 NWs served as the light source and waveguide, and PDs were made from the CdSSe ribbon. When a single CsPbBr3 NW was illuminated by a focused 457 nm laser at a distance of 37.5 µm from the CdSSe ribbon, the on/off ratio of the system reached 8.3×103, resulting from the efficient response of the PD to the guided light. Moreover, the system can distinguish the pulsed light excitation well below 2000 Hz, limited by the response speed of the PDs. This work paves the way for the on-chip integration of nanoscale light emitters, waveguides, and detectors, promoting the practical application of semiconductor NWs in photonic circuits.

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来源期刊
Science China Materials
Science China Materials Materials Science-General Materials Science
CiteScore
11.40
自引率
7.40%
发文量
949
期刊介绍: Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.
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