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核心技术专利：CN118964589B侵权必究
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一种用于潜在指纹的哑铃状(GdTb)O(CO)·HO荧光粉的新型合成方法。

A Novel Synthesis Method of Dumbbell-like (GdTb)O(CO)·HO Phosphor for Latent Fingerprint.

作者信息

Huang Lei, Qian Jian, Sun Shijian, Li Zheng, Li Dechuan

机构信息

School of Physics and Electronic Information, Huaibei Normal University, Huaibei 235000, China.

Anhui Province Key Laboratory of Intelligent Computing and Applications, Huaibei Normal University, Huaibei 235000, China.

出版信息

Molecules. 2024 Aug 14;29(16):3846. doi: 10.3390/molecules29163846.

DOI:10.3390/molecules29163846
PMID:39202925
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11357627/
Abstract

A novel method for synthesizing dumbbell-shaped (GdTb)O(CO)·HO (GOC:Tb) phosphors using sodium carbonate was investigated. An amount of 1 mmol of stable fluorescent powder can be widely prepared using 3-11 mmol of NaCO at a pH value of 8.5-10.5 in the reaction solution. The optimal reaction conditions for the phosphors were determined to be 7 mmol for the amount of sodium carbonate and a pH of 9.5 in the solution. Mapping analysis of the elements confirmed uniform distribution of Gd and Tb elements in GOC:Tb. The analysis of fluorescence intensity shows that an optimal excitation wavelength of 273 nm is observed when the concentration of Tb is between 0.005 and 0.3. The highest emission intensity was observed for GOC:0.05Tb with a 57.5% maximum quantum efficiency. The chromaticity coordinates show that the color of GOC:Tb is stable and suitable for fluorescence recognition. Latent fingerprint visualization reveals distinctive features like whorls, hooks, and bifurcations. Therefore, the sodium carbonate method offers an effective alternative to traditional urea chemical reaction conditions for preparing GOC:Tb.

摘要

研究了一种使用碳酸钠合成哑铃状(GdTb)O(CO)·HO (GOC:Tb) 荧光粉的新方法。在反应溶液中，pH值为8.5 - 10.5时，使用3 - 11 mmol的NaCO可广泛制备1 mmol的稳定荧光粉。确定荧光粉的最佳反应条件为碳酸钠用量7 mmol，溶液pH值为9.5。元素映射分析证实了Gd和Tb元素在GOC:Tb中的均匀分布。荧光强度分析表明，当Tb浓度在0.005至0.3之间时，观察到最佳激发波长为273 nm。对于GOC:0.05Tb，观察到最高发射强度，最大量子效率为57.5%。色度坐标表明GOC:Tb的颜色稳定，适用于荧光识别。潜在指纹可视化揭示了独特的特征，如涡旋、钩和分叉。因此，碳酸钠法为制备GOC:Tb提供了一种有效的替代传统尿素化学反应条件的方法。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/2da1b8565703/molecules-29-03846-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/0da2fb1f9482/molecules-29-03846-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/e3f8a0b9a82c/molecules-29-03846-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/f3835c865d29/molecules-29-03846-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/6d5aef6de51c/molecules-29-03846-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/ce4b59c2528b/molecules-29-03846-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/350e68a4aab3/molecules-29-03846-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/f0c7779565f3/molecules-29-03846-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/08a100562819/molecules-29-03846-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/a620326d6c0d/molecules-29-03846-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/0af4fed239a1/molecules-29-03846-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/2da1b8565703/molecules-29-03846-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/0da2fb1f9482/molecules-29-03846-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/e3f8a0b9a82c/molecules-29-03846-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/f3835c865d29/molecules-29-03846-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/6d5aef6de51c/molecules-29-03846-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/ce4b59c2528b/molecules-29-03846-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/350e68a4aab3/molecules-29-03846-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/f0c7779565f3/molecules-29-03846-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/08a100562819/molecules-29-03846-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/a620326d6c0d/molecules-29-03846-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/0af4fed239a1/molecules-29-03846-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1219/11357627/2da1b8565703/molecules-29-03846-g011.jpg

相似文献

[1]
A Novel Synthesis Method of Dumbbell-like (GdTb)O(CO)·HO Phosphor for Latent Fingerprint.

Molecules. 2024-8-14

[2]
Quantum Cutting in KGd(CO):Tb Green Phosphor.

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[3]
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[4]
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[5]
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[6]
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[7]
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[8]
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[9]
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[10]
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本文引用的文献

[1]
Quantum Cutting in KGd(CO):Tb Green Phosphor.

Nanomaterials (Basel). 2023-1-15

[2]
Bifunctional Paramagnetic and Luminescent Clays Obtained by Incorporation of Gd and Eu Ions in the Saponite Framework.

Inorg Chem. 2021-7-19

[3]
Calcium fluoride based multifunctional nanoparticles for multimodal imaging.

Beilstein J Nanotechnol. 2017-7-18

[4]
Resonant and non-resonant energy transfer from Ce  → X (X = Tb , Eu or Dy ) in NaMgSO F material.

Luminescence. 2017-3

[5]
Nanoparticles in magnetic resonance imaging: from simple to dual contrast agents.

Int J Nanomedicine. 2015-3-6

[6]
Characterization of Fe3O4/SiO2/Gd2O(CO3)2 core/shell/shell nanoparticles as T1 and T2 dual mode MRI contrast agent.

Talanta. 2014-8-26

[7]
Facile template free synthesis of Gd2O(CO3)2·H2O chrysanthemum-like nanoflowers and luminescence properties of corresponding Gd2O3:RE3+ spheres.

Dalton Trans. 2013-7-2

[8]
A new type of silica-coated Gd₂(CO₃)₃:Tb nanoparticle as a bifunctional agent for magnetic resonance imaging and fluorescent imaging.

Nanotechnology. 2012-4-30

[9]
Self-confirming "AND" logic nanoparticles for fault-free MRI.

J Am Chem Soc. 2010-8-18

[10]
Optimization of the synthesis of nanostructured Tb3+-doped Gd2O3 by in-situ luminescence following up.

J Colloid Interface Sci. 2009-5-15

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