Investigation of anomalous upconversion luminescence in YbAG: Er, Mo

Xiuna Tian; Lingyuan Wu; Guicheng Jiang; Xiantao Wei; Yonghu Chen; Changkui Duan; Min Yin

doi:10.1016/j.matlet.2014.02.076

Investigation of anomalous upconversion luminescence in YbAG: Er, Mo

Xiuna Tian
, Lingyuan Wu
, Guicheng Jiang
, Xiantao Wei
, Yonghu Chen
, Changkui Duan
, Min Yin^*

^*Corresponding author for this work

University of Science and Technology of China

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

In molybdenum (Mo⁶⁺) doped upconversion (UC) materials, such as Yb₃Al₅O₁₂ and Yb₂Ti ₂O₇, anomalous UC luminescence has been discovered recently. In this paper, Yb_2.75-xEr_0.25Mo _xAl₅O₁₂ phosphors with different Mo-content were synthesized via the sol-gel method. According to the analysis of the structural components and the luminescence spectra of the samples, we found that the Yb₂(MoO₄)₃ impurity which was introduced into YbAG sample by Mo⁶⁺ doping is responsible for the anomalous intense UC luminescence. Quantitive analyses on the dependence of UC luminescence intensity upon pump power indicate UC green luminescence is a two-photon process for Yb₂(MoO₄)₃: Er ³⁺ 1% and Yb_2.25Er_0.25Mo_0.5Al ₅O₁₂ systems, which is far less than the lowest excited state level of MoO₄^2-.

Original language	English
Pages (from-to)	48-50
Number of pages	3
Journal	Materials Letters
Volume	123
DOIs	https://doi.org/10.1016/j.matlet.2014.02.076
State	Published - 15 May 2014
Externally published	Yes

Keywords

Luminescence
Spectroscopy
Upconversion

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@article{aabd0c5893b446eeb77d92426fe680bc,

title = "Investigation of anomalous upconversion luminescence in YbAG: Er, Mo",

abstract = "In molybdenum (Mo6+) doped upconversion (UC) materials, such as Yb3Al5O12 and Yb2Ti 2O7, anomalous UC luminescence has been discovered recently. In this paper, Yb2.75-xEr0.25Mo xAl5O12 phosphors with different Mo-content were synthesized via the sol-gel method. According to the analysis of the structural components and the luminescence spectra of the samples, we found that the Yb2(MoO4)3 impurity which was introduced into YbAG sample by Mo6+ doping is responsible for the anomalous intense UC luminescence. Quantitive analyses on the dependence of UC luminescence intensity upon pump power indicate UC green luminescence is a two-photon process for Yb2(MoO4)3: Er 3+ 1\% and Yb2.25Er0.25Mo0.5Al 5O12 systems, which is far less than the lowest excited state level of MoO42-.",

keywords = "Luminescence, Spectroscopy, Upconversion",

author = "Xiuna Tian and Lingyuan Wu and Guicheng Jiang and Xiantao Wei and Yonghu Chen and Changkui Duan and Min Yin",

year = "2014",

month = may,

day = "15",

doi = "10.1016/j.matlet.2014.02.076",

language = "英语",

volume = "123",

pages = "48--50",

journal = "Materials Letters",

issn = "0167-577X",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Investigation of anomalous upconversion luminescence in YbAG

T2 - Er, Mo

AU - Tian, Xiuna

AU - Wu, Lingyuan

AU - Jiang, Guicheng

AU - Wei, Xiantao

AU - Chen, Yonghu

AU - Duan, Changkui

AU - Yin, Min

PY - 2014/5/15

Y1 - 2014/5/15

N2 - In molybdenum (Mo6+) doped upconversion (UC) materials, such as Yb3Al5O12 and Yb2Ti 2O7, anomalous UC luminescence has been discovered recently. In this paper, Yb2.75-xEr0.25Mo xAl5O12 phosphors with different Mo-content were synthesized via the sol-gel method. According to the analysis of the structural components and the luminescence spectra of the samples, we found that the Yb2(MoO4)3 impurity which was introduced into YbAG sample by Mo6+ doping is responsible for the anomalous intense UC luminescence. Quantitive analyses on the dependence of UC luminescence intensity upon pump power indicate UC green luminescence is a two-photon process for Yb2(MoO4)3: Er 3+ 1% and Yb2.25Er0.25Mo0.5Al 5O12 systems, which is far less than the lowest excited state level of MoO42-.

AB - In molybdenum (Mo6+) doped upconversion (UC) materials, such as Yb3Al5O12 and Yb2Ti 2O7, anomalous UC luminescence has been discovered recently. In this paper, Yb2.75-xEr0.25Mo xAl5O12 phosphors with different Mo-content were synthesized via the sol-gel method. According to the analysis of the structural components and the luminescence spectra of the samples, we found that the Yb2(MoO4)3 impurity which was introduced into YbAG sample by Mo6+ doping is responsible for the anomalous intense UC luminescence. Quantitive analyses on the dependence of UC luminescence intensity upon pump power indicate UC green luminescence is a two-photon process for Yb2(MoO4)3: Er 3+ 1% and Yb2.25Er0.25Mo0.5Al 5O12 systems, which is far less than the lowest excited state level of MoO42-.

KW - Luminescence

KW - Spectroscopy

KW - Upconversion

UR - https://www.scopus.com/pages/publications/84896509001

U2 - 10.1016/j.matlet.2014.02.076

DO - 10.1016/j.matlet.2014.02.076

M3 - 文章

AN - SCOPUS:84896509001

SN - 0167-577X

VL - 123

SP - 48

EP - 50

JO - Materials Letters

JF - Materials Letters

ER -

Investigation of anomalous upconversion luminescence in YbAG: Er, Mo

Abstract

Keywords

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