金属卤化物钙钛矿中的光子上转换

IF 21.1 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today Pub Date : 2025-03-19 DOI:10.1016/j.mattod.2025.03.008

Junlin Lu , Zhixing Gan , Joel van Embden , Baohua Jia , Xiaoming Wen

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引用次数: 0

摘要

光子上转换，也称为反斯托克斯光致发光（PL），是一种材料吸收低能光子并发射高能光子的过程。除了传统的上转换机制，包括稀土掺杂，双光子吸收和三重态湮灭，在金属卤化物钙钛矿（MHPs）中观察到异常的反stokes PL，通过单光子吸收，能量位移高达220 meV。在这篇综述中，我们总结了关于MHP的各种上转换机制，并重点介绍了单光子反stokes PL的独特案例。我们详细讨论了MHP单光子上转换（SPUC）的不同模型，如多声子共振吸收和晶格能量库（LER）作为有效的能量传递途径。本文综述有助于加深对MHPs上转换现象的认识，促进其光电应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Photon upconversion in metal halide perovskites

Photon upconversion, also known as anti-Stokes photoluminescence (PL), is a process in which a material absorbs low energy photons and emits high energy photons. In addition to conventional mechanisms of upconversion, including rare-earth doping, two-photon absorption, and triplet–triplet annihilation, an anomalous anti-Stokes PL has been observed in metal halide perovskites (MHPs) with an energy shift up to 220 meV via single photon absorption. In this review, we summarize the various upconversion mechanisms reported on MHPs and focus on the unique case of single photon anti-Stokes PL. We provide a detailed discussion of the different proposed models on MHP single photon upconversion (SPUC), such as multiple phonon resonance absorption, and a lattice energy reservoir (LER) as an efficient energy transfer pathway. This review provides a deeper understanding on the upconversion phenomenon of MHPs and facilitates their optoelectronic applications.

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来源期刊

Materials Today 工程技术-材料科学：综合

CiteScore

36.30

自引率

1.20%

发文量

237

审稿时长

23 days

期刊介绍： Materials Today is the leading journal in the Materials Today family, focusing on the latest and most impactful work in the materials science community. With a reputation for excellence in news and reviews, the journal has now expanded its coverage to include original research and aims to be at the forefront of the field. We welcome comprehensive articles, short communications, and review articles from established leaders in the rapidly evolving fields of materials science and related disciplines. We strive to provide authors with rigorous peer review, fast publication, and maximum exposure for their work. While we only accept the most significant manuscripts, our speedy evaluation process ensures that there are no unnecessary publication delays.