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Mechanisms of Upconversion Luminescence of Er 3+ -Doped NaYF 4 via 980 and 1530 nm Excitation.

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Title: Mechanisms of Upconversion Luminescence of Er 3+ -Doped NaYF 4 via 980 and 1530 nm Excitation.
Authors: Liu, Yu1 (AUTHOR) thuliuyu2022@163.com, Zhou, Ziwen1 (AUTHOR) zw543202021@163.com, Zhang, Shaojian1 (AUTHOR) yanyi0131@hrbeu.edu.cn, Zhao, Enming2 (AUTHOR) zhaoem163@163.com, Ren, Jing1 (AUTHOR) ren.jing@hrbeu.edu.cn, Liu, Lu1 (AUTHOR) liulu@hrbeu.edu.cn, Zhang, Jianzhong1 (AUTHOR) zhangjianzhong@hrbeu.edu.cn
Source: Nanomaterials (2079-4991). Oct2021, Vol. 11 Issue 10, p2767. 1p.
Subjects: Photon upconversion, Luminescence, Time-resolved spectroscopy, Rate equation model
Abstract: To date, the mechanisms of Er3+ upconversion luminescence via 980 and 1530 nm excitation have been extensively investigated; however, based on discussions, they either suffer from the lack of convincing evidence or require elaborated and time-consuming numerical simulations. In this work, the steady-state and time-resolved upconversion luminescence data of Er3+-doped NaYF4 were measured; we therefore investigated the upconversion mechanisms of Er3+ on the basis of the spectroscopic observations and the simplified rate equation modeling. This work provides a relatively simple strategy to reveal the UCL mechanisms of Er3+ upon excitation with various wavelengths, which may also be used in other lanthanide ion-doped systems. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Mechanisms of Upconversion Luminescence of Er 3+ -Doped NaYF 4 via 980 and 1530 nm Excitation.
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Yu%22">Liu, Yu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> thuliuyu2022@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhou%2C+Ziwen%22">Zhou, Ziwen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zw543202021@163.com</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Shaojian%22">Zhang, Shaojian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yanyi0131@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhao%2C+Enming%22">Zhao, Enming</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zhaoem163@163.com</i><br /><searchLink fieldCode="AR" term="%22Ren%2C+Jing%22">Ren, Jing</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ren.jing@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Lu%22">Liu, Lu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> liulu@hrbeu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Jianzhong%22">Zhang, Jianzhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zhangjianzhong@hrbeu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Oct2021, Vol. 11 Issue 10, p2767. 1p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Photon+upconversion%22">Photon upconversion</searchLink><br /><searchLink fieldCode="DE" term="%22Luminescence%22">Luminescence</searchLink><br /><searchLink fieldCode="DE" term="%22Time-resolved+spectroscopy%22">Time-resolved spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Rate+equation+model%22">Rate equation model</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: To date, the mechanisms of Er3+ upconversion luminescence via 980 and 1530 nm excitation have been extensively investigated; however, based on discussions, they either suffer from the lack of convincing evidence or require elaborated and time-consuming numerical simulations. In this work, the steady-state and time-resolved upconversion luminescence data of Er3+-doped NaYF4 were measured; we therefore investigated the upconversion mechanisms of Er3+ on the basis of the spectroscopic observations and the simplified rate equation modeling. This work provides a relatively simple strategy to reveal the UCL mechanisms of Er3+ upon excitation with various wavelengths, which may also be used in other lanthanide ion-doped systems. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Text: English
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        Type: general
      – SubjectFull: Luminescence
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      – SubjectFull: Time-resolved spectroscopy
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      – SubjectFull: Rate equation model
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      – TitleFull: Mechanisms of Upconversion Luminescence of Er 3+ -Doped NaYF 4 via 980 and 1530 nm Excitation.
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              M: 10
              Text: Oct2021
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              Y: 2021
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