4D电子显微镜下太阳能材料界面电子空穴动力学研究

IF 17.5 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Matter Pub Date : 2025-06-04 DOI:10.1016/j.matt.2025.102087

Lijie Wang , Omar F. Mohammed

引用次数: 0

摘要

界面载流子动力学是光电器件性能的关键；然而，在超快和纳米级水平上探测这些动力学存在重大挑战。Liao等人通过使用四维扫描超快电子显微镜直接观察载流子在Si/Ge异质结中的传输，从而全面了解界面动力学，解决了这个问题。

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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Interfacial electron-hole dynamics in solar materials revealed by 4D electron microscopy

Interfacial carrier dynamics are crucial for optoelectronic device performance; however, probing these dynamics at ultrafast and nanoscale levels presents significant challenges. Liao et al. tackled this by employing four-dimensional scanning ultrafast electron microscopy to directly visualize carrier transport across a Si/Ge heterojunction, offering a comprehensive insight into the interfacial dynamics.

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来源期刊

Matter MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

26.30

自引率

2.60%

发文量

367

期刊介绍： Matter, a monthly journal affiliated with Cell, spans the broad field of materials science from nano to macro levels,covering fundamentals to applications. Embracing groundbreaking technologies,it includes full-length research articles,reviews, perspectives,previews, opinions, personnel stories, and general editorial content. Matter aims to be the primary resource for researchers in academia and industry, inspiring the next generation of materials scientists.