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Title: Crystal-Field Tuning of Photoluminescence in Two-Dimensional Materials with Embedded Lanthanide Ions

Abstract

Lanthanide (Ln) group elements have been attracting considerable attention owing to the distinct optical properties. The crystal-field surroundings of Ln ions in the host materials can determine their energy level splitting, which is of vital importance to tailor their optical properties. 2D MoS2 single crystals were utilized as the host material to embed Eu3+ and energy-level splitting was achieved for tuning its photoluminescence (PL). The high anisotropy of the 2D host materials makes them distort the degenerate orbitals of the Ln ions more efficiently than the symmetrical bulk host materials. A significant red-shift of the PL peak for Eu3+ was observed. The strategy for tailoring the energy level splitting of Ln ions by the highly designable 2D material crystal field provides a new method to extend their optical properties.

Authors:
 [1];  [1];  [1];  [1];  [1];  [2];  [1];  [1];  [2];  [2]; ORCiD logo [1]
  1. Wuhan Univ., Wuhan (China). College of Chemistry and Molecular Sciences, Inst. for Advanced Studies
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1528738
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 57; Journal Issue: 3; Journal ID: ISSN 1433-7851
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Xu, Ding, Chen, Weiyin, Zeng, Mengqi, Xue, Haifeng, Chen, Yunxu, Sang, Xiahan, Xiao, Yao, Zhang, Tao, Unocic, Raymond R., Xiao, Kai, and Fu, Lei. Crystal-Field Tuning of Photoluminescence in Two-Dimensional Materials with Embedded Lanthanide Ions. United States: N. p., 2017. Web. doi:10.1002/anie.201711071.
Xu, Ding, Chen, Weiyin, Zeng, Mengqi, Xue, Haifeng, Chen, Yunxu, Sang, Xiahan, Xiao, Yao, Zhang, Tao, Unocic, Raymond R., Xiao, Kai, & Fu, Lei. Crystal-Field Tuning of Photoluminescence in Two-Dimensional Materials with Embedded Lanthanide Ions. United States. doi:10.1002/anie.201711071.
Xu, Ding, Chen, Weiyin, Zeng, Mengqi, Xue, Haifeng, Chen, Yunxu, Sang, Xiahan, Xiao, Yao, Zhang, Tao, Unocic, Raymond R., Xiao, Kai, and Fu, Lei. Fri . "Crystal-Field Tuning of Photoluminescence in Two-Dimensional Materials with Embedded Lanthanide Ions". United States. doi:10.1002/anie.201711071. https://www.osti.gov/servlets/purl/1528738.
@article{osti_1528738,
title = {Crystal-Field Tuning of Photoluminescence in Two-Dimensional Materials with Embedded Lanthanide Ions},
author = {Xu, Ding and Chen, Weiyin and Zeng, Mengqi and Xue, Haifeng and Chen, Yunxu and Sang, Xiahan and Xiao, Yao and Zhang, Tao and Unocic, Raymond R. and Xiao, Kai and Fu, Lei},
abstractNote = {Lanthanide (Ln) group elements have been attracting considerable attention owing to the distinct optical properties. The crystal-field surroundings of Ln ions in the host materials can determine their energy level splitting, which is of vital importance to tailor their optical properties. 2D MoS2 single crystals were utilized as the host material to embed Eu3+ and energy-level splitting was achieved for tuning its photoluminescence (PL). The high anisotropy of the 2D host materials makes them distort the degenerate orbitals of the Ln ions more efficiently than the symmetrical bulk host materials. A significant red-shift of the PL peak for Eu3+ was observed. The strategy for tailoring the energy level splitting of Ln ions by the highly designable 2D material crystal field provides a new method to extend their optical properties.},
doi = {10.1002/anie.201711071},
journal = {Angewandte Chemie (International Edition)},
number = 3,
volume = 57,
place = {United States},
year = {2017},
month = {12}
}

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