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Effect of Cd2+ on the red emission of Mn2+-doped zinc phosphoborate glasses.

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Title: Effect of Cd2+ on the red emission of Mn2+-doped zinc phosphoborate glasses.
Authors: Xu, Changyuan1 (AUTHOR), Yin, Hongming1 (AUTHOR) hmyin@dlmu.edu.cn, Song, Wenqiang1 (AUTHOR), Wang, Qun1 (AUTHOR), Zhao, Fengjiao1 (AUTHOR)
Source: Journal of Materials Science: Materials in Electronics. Jun2024, Vol. 35 Issue 17, p1-9. 9p.
Abstract: When employing the conventional melt quenching technique for the preparation of Mn2+-doped glasses, it is observed that Mn2+ readily undergoes oxidation to Mn3+ during high-temperature melting. Typically, researchers incorporate reducing agents into the synthesized raw materials or utilize a reducing atmosphere when preparing samples to mitigate this phenomenon. In this study, a novel approach was proposed to suppress Mn2+ oxidation and enhance its luminescent properties. The zinc phosphoborate glasses based on 28.1P2O5–10.9B2O3–28.1ZnO (P–B–Zn) were prepared using the traditional melt quenching method. The effect of Cd2+ on the red emission of Mn2+ was studied by doping 2.9 mol% Mn2+ and changing the concentration of Cd2+ in the glasses. The analysis of photoluminescence emission (PL) spectroscopy and photoluminescence excitation (PLE) spectroscopy revealed a significant enhancement in the red emission resulting from the 4T1 (G) → 6A1 (S) transition of Mn2+ under 409 nm excitation after doping with Cd2+ ions. When the doping content of Cd2+ is 19 mol%, the luminescence intensity of Mn2+ reaches its maximum value, which is 4.24 times higher than that of undoped Cd2+. The results of the absorption and transmission spectra indicate a weakening of the 5Eg → 5T2g transition of Mn3+ and an increase in the transparency of the glasses. The significant reduction in the absorption peak of Mn3+ suggests that doping Cd2+ can effectively inhibit the oxidation of Mn2+ to Mn3+, as further confirmed by X-ray photoelectron spectroscopy (XPS) analysis. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature 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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  Label: Title
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  Data: Effect of Cd<superscript>2+</superscript> on the red emission of Mn<superscript>2+</superscript>-doped zinc phosphoborate glasses.
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Changyuan%22">Xu, Changyuan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yin%2C+Hongming%22">Yin, Hongming</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> hmyin@dlmu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Song%2C+Wenqiang%22">Song, Wenqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Qun%22">Wang, Qun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Fengjiao%22">Zhao, Fengjiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Science%3A+Materials+in+Electronics%22">Journal of Materials Science: Materials in Electronics</searchLink>. Jun2024, Vol. 35 Issue 17, p1-9. 9p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: When employing the conventional melt quenching technique for the preparation of Mn2+-doped glasses, it is observed that Mn2+ readily undergoes oxidation to Mn3+ during high-temperature melting. Typically, researchers incorporate reducing agents into the synthesized raw materials or utilize a reducing atmosphere when preparing samples to mitigate this phenomenon. In this study, a novel approach was proposed to suppress Mn2+ oxidation and enhance its luminescent properties. The zinc phosphoborate glasses based on 28.1P2O5–10.9B2O3–28.1ZnO (P–B–Zn) were prepared using the traditional melt quenching method. The effect of Cd2+ on the red emission of Mn2+ was studied by doping 2.9 mol% Mn2+ and changing the concentration of Cd2+ in the glasses. The analysis of photoluminescence emission (PL) spectroscopy and photoluminescence excitation (PLE) spectroscopy revealed a significant enhancement in the red emission resulting from the 4T1 (G) → 6A1 (S) transition of Mn2+ under 409 nm excitation after doping with Cd2+ ions. When the doping content of Cd2+ is 19 mol%, the luminescence intensity of Mn2+ reaches its maximum value, which is 4.24 times higher than that of undoped Cd2+. The results of the absorption and transmission spectra indicate a weakening of the 5Eg → 5T2g transition of Mn3+ and an increase in the transparency of the glasses. The significant reduction in the absorption peak of Mn3+ suggests that doping Cd2+ can effectively inhibit the oxidation of Mn2+ to Mn3+, as further confirmed by X-ray photoelectron spectroscopy (XPS) analysis. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature 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: Jun2024
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