钙钛矿太阳能电池的光致发光量子产率:探测界面重组和效率极限

IF 6 3区 工程技术 Q2 ENERGY & FUELS
Solar RRL Pub Date : 2025-06-30 DOI:10.1002/solr.202500409
Jiaqi Liu, Huān Bì, Liang Wang, Qing Shen, Shuzi Hayase
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引用次数: 0

摘要

本文综述了利用光致发光量子产率(PLQY)作为钙钛矿太阳能电池(PSCs)定量探针的最新进展,强调了其诊断界面非辐射重组、重建准费米能级分裂(QFLS)和预测效率极限的独特能力。在提出将PLQY转换为QFLS的理论框架后,可以直接对器件开路电压(V OC $V_{\ maththrm {OC}}$)进行基准测试,阐明了PLQY与传统时间分辨光致发光的互补性。然后,代表性案例研究说明了PLQY如何精确定位钙钛矿/电子传输层和钙钛矿/空穴传输层界面的复合损失,以及有针对性的钝化策略如何同时提高PLQY、QFLS和整体器件效率。该综述还讨论了光照强度、激发波长、温度和湿度如何影响PLQY测量,并认为将高通量、原位PLQY测绘与机器学习算法相结合,有望加速发现高效、无铅、稳定的钙钛矿材料和器件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Photoluminescence Quantum Yield in Perovskite Solar Cells: Probing Interface Recombination and Efficiency Limits

Photoluminescence Quantum Yield in Perovskite Solar Cells: Probing Interface Recombination and Efficiency Limits

This review surveys recent advances in employing photoluminescence quantum yield (PLQY) as a quantitative probe in perovskite solar cells (PSCs), highlighting its unique ability to diagnose interfacial nonradiative recombination, reconstruct quasi-Fermi-level splitting (QFLS), and anticipate efficiency limits. After presenting the theoretical framework that converts PLQY into QFLS so that it can be directly benchmarked against the device open-circuit voltage ( V OC $V_{\mathrm{OC}}$ ), we clarify the complementarity between PLQY and conventional time-resolved photoluminescence. Representative case studies then illustrate how PLQY pinpoints recombination losses at the perovskite/electron-transport-layer and perovskite/hole-transport-layer interfaces and how targeted passivation strategies simultaneously enhance PLQY, QFLS, and overall device efficiency. The review also discusses how illumination intensity, excitation wavelength, temperature, and humidity influence PLQY measurements and argues that coupling high-throughput, in situ PLQY mapping with machine-learning algorithms promises to accelerate the discovery of highly efficient, lead-free, and stable perovskite materials and devices.

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来源期刊
Solar RRL
Solar RRL Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
12.10
自引率
6.30%
发文量
460
期刊介绍: Solar RRL, formerly known as Rapid Research Letters, has evolved to embrace a broader and more encompassing format. We publish Research Articles and Reviews covering all facets of solar energy conversion. This includes, but is not limited to, photovoltaics and solar cells (both established and emerging systems), as well as the development, characterization, and optimization of materials and devices. Additionally, we cover topics such as photovoltaic modules and systems, their installation and deployment, photocatalysis, solar fuels, photothermal and photoelectrochemical solar energy conversion, energy distribution, grid issues, and other relevant aspects. Join us in exploring the latest advancements in solar energy conversion research.
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