Intermediate‐States Mediated 2D MoO <sub>3‐x</sub> Plasmon Enabling Pure‐Phased CsPbX <sub>3</sub> Photovoltaics with 27.33% Bifacial Efficiency

All-inorganic CsPbX<sub>3</sub> (X = I, Br, Cl) perovskites emerged as a crucial material for addressing the stability bottleneck due to their exceptional resistance to both light-thermal stress. However, their performance is limited by adverse optoelectronic dissipation arising from inadequate photon conversion and chaotic carrier energetics. Herein, the mechanism of the unique nonlinear plasmonic effect in van der Waals 2D MoO<sub>3-x</sub> is elucidated, which is mediated by electronic intermediate states. It demonstrates that the 2D MoO<sub>3-x</sub> serves as a light-capture-antenna in heterodimensional CsPbX<sub>3</sub>-MoO<sub>3-x</sub> optically coupled system, contributing to the accumulation the optical field energy on the nanoscale and resulting in a remarkable 59% increase in photon convergence. Additionally, facet-oriented carrier channels can be established through heteroepitaxy along matched Mo-O octahedron. This optoelectrical-bimodal-coupling engineering combined with a bifacial light-harvesting configuration yields a bifacial equivalent efficiency of 27.33%, which stands as the supreme performance in all-inorganic perovskite photovoltaics.

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Publication Details

Journal
Advanced Materials
Published
2025-08-08
DOI
https://doi.org/10.1002/adma.202417490
Citations
2
Primary Topic
Perovskite Materials and Applications
Type
article
Field-Weighted Citation Impact
1.46

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article

Intermediate‐States Mediated 2D MoO 3‐x Plasmon Enabling Pure‐Phased CsPbX 3 Photovoltaics with 27.33% Bifacial Efficiency

Zongwei Chen, Lin Dong, Hangjuan Wu, Cai Meng et al.
2 citations
Advanced Materials
Perovskite Materials and Applications
1.46
article

Intermediate‐States Mediated 2D MoO 3‐x Plasmon Enabling Pure‐Phased CsPbX 3 Photovoltaics with 27.33% Bifacial Efficiency

Zongwei Chen, Lin Dong, Hangjuan Wu, Cai Meng, Zhenkun Gu, Qun Jie Xu, Junjie Ma, Chongxin Shan, Weiqiang Kong, Yuxuan Li, Wei Liu, Feng wei Gao, Pengfei Yan, Tiankai Zhang, Yanlin Song
article en
2 citations

Abstract

All-inorganic CsPbX<sub>3</sub> (X = I, Br, Cl) perovskites emerged as a crucial material for addressing the stability bottleneck due to their exceptional resistance to both light-thermal stress. However, their performance is limited by adverse optoelectronic dissipation arising from inadequate photon conversion and chaotic carrier energetics. Herein, the mechanism of the unique nonlinear plasmonic effect in van der Waals 2D MoO<sub>3-x</sub> is elucidated, which is mediated by electronic intermediate states. It demonstrates that the 2D MoO<sub>3-x</sub> serves as a light-capture-antenna in heterodimensional CsPbX<sub>3</sub>-MoO<sub>3-x</sub> optically coupled system, contributing to the accumulation the optical field energy on the nanoscale and resulting in a remarkable 59% increase in photon convergence. Additionally, facet-oriented carrier channels can be established through heteroepitaxy along matched Mo-O octahedron. This optoelectrical-bimodal-coupling engineering combined with a bifacial light-harvesting configuration yields a bifacial equivalent efficiency of 27.33%, which stands as the supreme performance in all-inorganic perovskite photovoltaics.

Advanced MaterialsVol. 37(43)
Linköping University (SE), Chinese Academy of Sciences (CN), Henan University of Technology (CN), Zhengzhou University (CN), Henan University of Engineering (CN), China Academy of Printing Technology (CN), Institute of Chemistry (CN)
National Natural Science Foundation of China, China Postdoctoral Science Foundation, Zhengzhou University, Nanchang University, University of California, Los Angeles, National Key Research and Development Program of China
Affordable and clean energy
Openalex Percentile: Top 16%
Perovskite Materials and Applications
1.46
DOIOpen Access PDFOpenAlex
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