集成到二维晶体管中的钙钛矿发光的电气控制

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-04-17 DOI:10.1021/acs.nanolett.5c01010

Jie Pan, Jieyu Wang, Dawei Zhou, Yang Hang, Yu Su, Shuo Wang, Zilong Mao, Linbo Feng, Shuai Yang, Chao Liu, Yao Yin, Yan Lv, Junran Zhang, Lin Wang

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引用次数: 0

摘要

钙钛矿已成为一种新兴的高效发光材料，其电气控制对实际应用至关重要。然而，由于其固有的导电性差，实现高效、精确、宽范围和丰富的控制仍然具有挑战性。在这项工作中，我们展示了二维（2D）晶体管的集成，以协助钙钛矿发光的电气控制。二维通道的实现具有可调谐的电子特性和强界面耦合，为钙钛矿的电气控制和光发射提供了有效的桥梁。光致发光（PL）可以用仅0.2 V的小偏置电压有效调制，实现每个电压约87%的调制效率。此外，在栅极电压的帮助下，PL增强可以达到~ 700%。这项研究强调了二维晶体管作为一种低功耗、高效率和高度集成的平台的前景，用于定制钙钛矿的光电特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Electrical Control of Perovskite Light Emission by Integration into a Two-Dimensional Transistor

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Electrical Control of Perovskite Light Emission by Integration into a Two-Dimensional Transistor

Perovskites have emerged as a rising material category for highly efficient light emission, the electrical control of which is crucial for practical applications. However, achieving efficient, precise, wide-range, and rich control remains challenging due to their inherently poor electrical conductivity. In this work, we demonstrate the integration of two-dimensional (2D) transistors to assist the electrical control of perovskite light-emission. The implementation of a 2D channel with tunable electronic properties and strong interfacial coupling provides an effective bridge between electrical control and light emission of perovskite. The photoluminescence (PL) can be efficiently modulated with a small bias voltage of just 0.2 V, achieving a modulation efficiency of ∼87% per voltage. Furthermore, the PL enhancement can reach up to ∼700% with the assistance of gate voltage. This study underscores the promise of 2D transistors as a low-power, high-efficiency, and highly integrated platform for tailoring the optoelectronic properties of perovskites.

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.