视角:钙钛矿纳米晶体的多维相干光谱

IF 2.9 4区物理与天体物理 Q2 OPTICS

Journal of Nonlinear Optical Physics & Materials Pub Date : 2022-01-27 DOI:10.1088/2515-7639/ac4fa5

A. Liu, D. Almeida, L. Padilha, S. Cundiff

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引用次数: 4

摘要

最近，胶体钙钛矿纳米晶体(pnc)由于其简单的合成路线、量子尺寸效应和卓越的光学性质等有利特性而成为光电子应用的一个令人兴奋的材料平台。鉴于人们对pnc光电子特性的关注，pnc的光谱表征对于其结构的合理设计和器件的实现至关重要。在这个角度，我们讨论了多维相干光谱(MDCS)如何解决激子动力学和规避非均匀展宽，以揭示潜在的均匀谱线形状。我们重点介绍了MDCS在pnc中的最新应用，并提出了MDCS在未来需要解决的微观物理问题。

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Perspective: Multi-Dimensional Coherent Spectroscopy of Perovskite Nanocrystals

Recently, colloidal perovskite nanocrystals (PNCs) have emerged as an exciting material platformfor optoelectronic applications due to their combination of facile synthesis routes, quantum size effects, and exceptional optical properties among other favorable characteristics. Given the focus on their optoelectronic properties, spectroscopic characterization of PNCs is crucial to rational design of their structure and device implementation. In this Perspective, we discuss how multi-dimensional coherent spectroscopy (MDCS) can resolve exciton dynamics and circumvent inhomogeneous broadening to reveal underlying homogeneous spectral lineshapes. We highlight recent applications of MDCS to PNCs in the literature, and suggest compelling problems concerning their microscopic physics to be addressed by MDCS in the future.

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来源期刊

Journal of Nonlinear Optical Physics & Materials 物理-光学

CiteScore

3.00

自引率

48.10%

发文量

审稿时长

3 months

期刊介绍： This journal is devoted to the rapidly advancing research and development in the field of nonlinear interactions of light with matter. Topics of interest include, but are not limited to, nonlinear optical materials, metamaterials and plasmonics, nano-photonic structures, stimulated scatterings, harmonic generations, wave mixing, real time holography, guided waves and solitons, bistabilities, instabilities and nonlinear dynamics, and their applications in laser and coherent lightwave amplification, guiding, switching, modulation, communication and information processing. Original papers, comprehensive reviews and rapid communications reporting original theories and observations are sought for in these and related areas. This journal will also publish proceedings of important international meetings and workshops. It is intended for graduate students, scientists and researchers in academic, industrial and government research institutions.