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Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+)
Spinel-phase Zn(2)Ga(2.98)Ge(0.75–x)Sn(x)O(8):Cr(0.02)(3+) (ZGGSO:Cr(3+)) nanoparticles with various Sn(4+) concentrations were prepared by a hydrothermal method in combination with a post-annealing in vacuum at high temperature. For these nanoparticles, the observed near infrared (NIR) persistent l...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Royal Society of Chemistry
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9078976/ https://www.ncbi.nlm.nih.gov/pubmed/35541535 http://dx.doi.org/10.1039/c8ra01036f |
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author | Song, Ting Zhang, Meng Liu, Yuxue Yang, Jian Gong, Zheng Yan, Hong Zhu, Hancheng Yan, Duanting Liu, Chunguang Xu, Changshan |
author_facet | Song, Ting Zhang, Meng Liu, Yuxue Yang, Jian Gong, Zheng Yan, Hong Zhu, Hancheng Yan, Duanting Liu, Chunguang Xu, Changshan |
author_sort | Song, Ting |
collection | PubMed |
description | Spinel-phase Zn(2)Ga(2.98)Ge(0.75–x)Sn(x)O(8):Cr(0.02)(3+) (ZGGSO:Cr(3+)) nanoparticles with various Sn(4+) concentrations were prepared by a hydrothermal method in combination with a post-annealing in vacuum at high temperature. For these nanoparticles, the observed near infrared (NIR) persistent luminescence peaked at ∼697 nm and originates from the (2)E, (4)T(2) ((4)F) → (4)A(2) transitions of Cr(3+) and the afterglow time exceeds 800 min. For both the interior and surface Cr(3+) ions in the ZGGSO host, it can be found that the increased energy transfer from Cr(3+) to the deep trap (anti-site defects, [Image: see text]) after the substitution of Ge(4+) by Sn(4+) plays a key role in enhancing the persistent luminescence of the ZGGSO:Cr(3+) nanoparticles. Strikingly, this energy transfer process can be controlled through the variations in the crystal field strength and the trap depths. Our results suggest that not only Sn(4+) substitution can improve in vivo bioimaging but also the existence of deep traps in ZGGSO:Cr(3+) nanoparticles is helpful for retracing in vivo bioimaging at any time. |
format | Online Article Text |
id | pubmed-9078976 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | The Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-90789762022-05-09 Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) Song, Ting Zhang, Meng Liu, Yuxue Yang, Jian Gong, Zheng Yan, Hong Zhu, Hancheng Yan, Duanting Liu, Chunguang Xu, Changshan RSC Adv Chemistry Spinel-phase Zn(2)Ga(2.98)Ge(0.75–x)Sn(x)O(8):Cr(0.02)(3+) (ZGGSO:Cr(3+)) nanoparticles with various Sn(4+) concentrations were prepared by a hydrothermal method in combination with a post-annealing in vacuum at high temperature. For these nanoparticles, the observed near infrared (NIR) persistent luminescence peaked at ∼697 nm and originates from the (2)E, (4)T(2) ((4)F) → (4)A(2) transitions of Cr(3+) and the afterglow time exceeds 800 min. For both the interior and surface Cr(3+) ions in the ZGGSO host, it can be found that the increased energy transfer from Cr(3+) to the deep trap (anti-site defects, [Image: see text]) after the substitution of Ge(4+) by Sn(4+) plays a key role in enhancing the persistent luminescence of the ZGGSO:Cr(3+) nanoparticles. Strikingly, this energy transfer process can be controlled through the variations in the crystal field strength and the trap depths. Our results suggest that not only Sn(4+) substitution can improve in vivo bioimaging but also the existence of deep traps in ZGGSO:Cr(3+) nanoparticles is helpful for retracing in vivo bioimaging at any time. The Royal Society of Chemistry 2018-03-19 /pmc/articles/PMC9078976/ /pubmed/35541535 http://dx.doi.org/10.1039/c8ra01036f Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/ |
spellingShingle | Chemistry Song, Ting Zhang, Meng Liu, Yuxue Yang, Jian Gong, Zheng Yan, Hong Zhu, Hancheng Yan, Duanting Liu, Chunguang Xu, Changshan Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title | Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title_full | Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title_fullStr | Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title_full_unstemmed | Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title_short | Enhanced near infrared persistent luminescence of Zn(2)Ga(2.98)Ge(0.75)O(8):Cr(0.02)(3+) nanoparticles by partial substitution of Ge(4+) by Sn(4+) |
title_sort | enhanced near infrared persistent luminescence of zn(2)ga(2.98)ge(0.75)o(8):cr(0.02)(3+) nanoparticles by partial substitution of ge(4+) by sn(4+) |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9078976/ https://www.ncbi.nlm.nih.gov/pubmed/35541535 http://dx.doi.org/10.1039/c8ra01036f |
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