journal article·2025-01-21

Local Environment-Modulated f–f Transition in Unit-Cell-Sized Lanthanide Ultrathin Nanostructures

Hao Fu, Ziyun Zhong, Zhong Liang, Yong Jiang, Di Qiu, Mengzhen Zhang, Mengdie Jin, Zhichao Zeng, Leilei Yin, Yaping Du

ACS Nano· Volume 19· Issue 2
Publisher page

Abstract

The regulation of the f-f transition is the basis of utilizing the abundant optical properties of lanthanide (Ln), of which the key is to modulate the local environment of Ln ions. Here, we constructed Eu(III)-based unit-cell-sized ultrathin nanowires (UCNWs) with red luminescence and polymer-like behavior, which appears as an ideal carrier for regulating f-f transition. The f-f transition of Eu(III) in UCNWs could be precisely regulated through various ligands. It is the unusual surface states that make the UCNWs exhibit greater electric dipole strength and better sensitivity to various ligands compared with the carefully constructed ultrathin nanosheets. In addition, the possibility of regulating f-f transition in UCNWs through energy transfer and a high entropy strategy was also revealed. Finally, a temperature-dependent universal fluorescent ink was prepared based on UCNWs, which provides ideas for intelligent flexible fluorescent materials.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Lanthanide and Transition Metal Complexes · Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials

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

Affiliations

Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, Haihe Laboratory of Sustainable Chemical Transformations, Smart Sensing Interdisciplinary Science Center, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin 300350, P. R. China

Tianjin Normal University, Tianjin 300387, P. R. China

Funding

Natural Science Foundation of Tianjin Municipality · National Science Fund for Distinguished Young Scholars · National Natural Science Foundation of China · Higher Education Discipline Innovation Project · Key Laboratory of Rare Earths, Chinese Academy of Sciences

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