A Cu3BHT-Graphene van der Waals Heterostructure with Strong Interlayer Coupling for Highly Efficient Photoinduced Charge Separation

A Cu3BHT-Graphene van der Waals Heterostructure with Strong Interlayer Coupling for Highly Efficient Photoinduced Charge Separation

© 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 21 vom: 31. Mai, Seite e2311454
1. Verfasser: Wang, Zhiyong (VerfasserIn)
Weitere Verfasser: Fu, Shuai, Zhang, Wenjie, Liang, Baokun, Liu, Tsai-Jung, Hambsch, Mike, Pöhls, Jonas F, Wu, Yufeng, Zhang, Jianjun, Lan, Tianshu, Li, Xiaodong, Qi, Haoyuan, Polozij, Miroslav, Mannsfeld, Stefan C B, Kaiser, Ute, Bonn, Mischa, Weitz, R Thomas, Heine, Thomas, Parkin, Stuart S P, Wang, Hai I, Dong, Renhao, Feng, Xinliang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 2D van der Waals heterostructures charge separation conductive 2D coordination polymers interlayer coupling
Beschreibung
Zusammenfassung:© 2024 The Authors. Advanced Materials published by Wiley‐VCH GmbH.
Two-dimensional van der Waals heterostructures (2D vdWhs) are of significant interest due to their intriguing physical properties critically defined by the constituent monolayers and their interlayer coupling. Synthetic access to 2D vdWhs based on chemically tunable monolayer organic 2D materials remains challenging. Herein, the fabrication of a novel organic-inorganic bilayer vdWh by combining π-conjugated 2D coordination polymer (2DCP, i.e., Cu3BHT, BHT = benzenehexathiol) with graphene is reported. Monolayer Cu3BHT with detectable µm2-scale uniformity and atomic flatness is synthesized using on-water surface chemistry. A combination of diffraction and imaging techniques enables the determination of the crystal structure of monolayer Cu3BHT with atomic precision. Leveraging the strong interlayer coupling, Cu3BHT-graphene vdWh exhibits highly efficient photoinduced interlayer charge separation with a net electron transfer efficiency of up to 34% from Cu3BHT to graphene, superior to those of reported bilayer 2D vdWhs and molecular-graphene vdWhs. This study unveils the potential for developing novel 2DCP-based vdWhs with intriguing physical properties
Beschreibung:Date Revised 24.05.2024
published: Print-Electronic
Citation Status PubMed-not-MEDLINE
ISSN:1521-4095
DOI:10.1002/adma.202311454