DataVXACS Applied Materials & InterfacesPaper
journal article·2025-06-11

Metal-Enhanced Photoluminescence in Perovskite Quantum Dots-hBN-Gold Film Mixed-Dimensional van der Waals Heterostructure

Kunjie Zhou, Jingyi Zhu, Ruisi Meng, Wei Zeng, Zhuo Xue, Chen Shen, Yueran Zhao, Yuchen Zhou, Mengyao Li, Yanan Wang, Kenji Watanabe, Takashi Taniguchi, Minliang Lai, Jia Lin, Sheng Wang

ACS Applied Materials & Interfaces· Volume 17· Issue 23
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Source abstract

Abstract

All-inorganic cesium lead halide perovskite quantum dots (QDs) have emerged as promising materials for next-generation optoelectronic devices due to their exceptional photoluminescence (PL) properties, including high quantum yields and narrow emission line widths. However, unlocking their full potential requires innovative strategies to further enhance and precisely tune their fluorescence efficiency. In this work, we present a novel 0D-2D-3D mixed-dimensional van der Waals (vdW) heterostructure comprising CsPbBr 3 QDs, multilayer hexagonal boron nitride (hBN), and a gold (Au) nanoparticle film, achieving a remarkable 7-fold PL enhancement. We attribute this enhancement to the synergy of plasmon-induced enhancement of the incident electromagnetic field and an increased spontaneous emission rate via the Purcell effect, optimized by tuning the hBN spacer thickness to 26 nm. This heterostructure design provides new insights into metal-enhanced photoluminescence for perovskite quantum dots, and it offers a scalable platform to enhance efficiency in future optoelectronic applications.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsElectronic materials

OpenAlex topics: Perovskite Materials and Applications · 2D Materials and Applications · MXene and MAX Phase Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Artificial Micro-and Nano-structures of Ministry of Education, and School of Physics and Technology

Wuhan University

Department of Physics

Shanghai University of Electric Power

School of Nano Science and Technology, Suzhou Institute for Advanced Research

University of Science and Technology of China

Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan

Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan

Wuhan Institute of Quantum Technology

Funding

Ministry of Education, Culture, Sports, Science and Technology · Core Research for Evolutional Science and Technology · Japan Society for the Promotion of Science · Japan Science and Technology Agency · Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Wuhan Natural Science Foundation

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