棒状结构NaGdF4∶Yb3+,Er3+上转换发光性能的研究
TB332; 以乙二胺四乙酸二钠(EDTD-2Na)为螯合剂,采用水热法合成了棒状结构的NaGdF4∶Yb3+,Er3+纳米粉末.分别借助X射线衍射(XRD)、荧光光谱仪(PL)和扫描显微镜(SEM)对其晶体结构、发光强度和表面形貌进行分析和表征.探究了稀土前驱体、水热温度和水热时间的实验条件对NaGdF4∶Yb3+,Er3+纳米粉末上转换发光强度的影响;研究了氟源和钠源对NaGdF4∶Yb3+,Er3+晶体形貌和上转换发光强度的改善;同时,采用煅烧处理的方法,进一步探究样品的形貌和发光强度收到的影响.实验结果表明NH4F与NaOH作为氟源和钠源及200 ℃煅烧1 h得到的棒状结构NaGdF4...
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| Published in | 功能材料 Vol. 55; no. 1; pp. 1130 - 1140 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海理工大学材料与化学学院,上海 200093
2024
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-9731 |
| DOI | 10.3969/j.issn.1001-9731.2024.01.018 |
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| Abstract | TB332; 以乙二胺四乙酸二钠(EDTD-2Na)为螯合剂,采用水热法合成了棒状结构的NaGdF4∶Yb3+,Er3+纳米粉末.分别借助X射线衍射(XRD)、荧光光谱仪(PL)和扫描显微镜(SEM)对其晶体结构、发光强度和表面形貌进行分析和表征.探究了稀土前驱体、水热温度和水热时间的实验条件对NaGdF4∶Yb3+,Er3+纳米粉末上转换发光强度的影响;研究了氟源和钠源对NaGdF4∶Yb3+,Er3+晶体形貌和上转换发光强度的改善;同时,采用煅烧处理的方法,进一步探究样品的形貌和发光强度收到的影响.实验结果表明NH4F与NaOH作为氟源和钠源及200 ℃煅烧1 h得到的棒状结构NaGdF4∶Yb3+,Er3+的发光强度最好,色坐标(CIE)绿色发光强度从84％提升到94.88％. |
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| AbstractList | TB332; 以乙二胺四乙酸二钠(EDTD-2Na)为螯合剂,采用水热法合成了棒状结构的NaGdF4∶Yb3+,Er3+纳米粉末.分别借助X射线衍射(XRD)、荧光光谱仪(PL)和扫描显微镜(SEM)对其晶体结构、发光强度和表面形貌进行分析和表征.探究了稀土前驱体、水热温度和水热时间的实验条件对NaGdF4∶Yb3+,Er3+纳米粉末上转换发光强度的影响;研究了氟源和钠源对NaGdF4∶Yb3+,Er3+晶体形貌和上转换发光强度的改善;同时,采用煅烧处理的方法,进一步探究样品的形貌和发光强度收到的影响.实验结果表明NH4F与NaOH作为氟源和钠源及200 ℃煅烧1 h得到的棒状结构NaGdF4∶Yb3+,Er3+的发光强度最好,色坐标(CIE)绿色发光强度从84％提升到94.88％. |
| Abstract_FL | The rod-shaped structure of NaGdF4∶Yb3+,Er3+nanopowders was created by hydrothermal method using disodium ethylenediaminetetraacetate(EDTA-2Na)as chelating agent.By using X-ray diffraction(XRD),fluorescence spectrometry(PL),and scanning electron microscopy(SEM),the crystal structure,luminescence intensity,and surface morphology of NaGdF4∶Yb3+,Er3+were investigated and quantified.Herein,on the con-verted luminescence intensity on NaGdF4∶Yb3+,Er3+nanopowders,the impacts of experimental conditions of rare earth precursors,hydrothermal temperature and hydrothermal time were made an effective inquiry.Fluo-rine and sodium sources'effects on NaGdF4∶Yb3+,Er3+crystal shape and upconversion luminescence intensity were investigated.Meanwhile,the effects on the morphology and luminescence intensity of the samples were further investigated using the calcination procedure.The results of the experiment indicate that the most opti-mal luminescence intensity of NaGdF4∶Yb3+,Er3+is obtained from a rod structure that using NH4F and NaOH as fluorine and sodium sources respectively and undergone calcination at 200 ℃ for 1 hour.As a result,the green luminescence purity,measured through the Commission Internationale de Ieclairage(CIE),was signifi-cantly improved from 84％to 94.88％. |
| Author | 李鑫 王觅堂 张栋梁 李玉峰 |
| AuthorAffiliation | 上海理工大学材料与化学学院,上海 200093 |
| AuthorAffiliation_xml | – name: 上海理工大学材料与化学学院,上海 200093 |
| Author_FL | LI Yufeng WANG Mitang ZHANG Dongliang LI Xin |
| Author_FL_xml | – sequence: 1 fullname: LI Xin – sequence: 2 fullname: LI Yufeng – sequence: 3 fullname: ZHANG Dongliang – sequence: 4 fullname: WANG Mitang |
| Author_xml | – sequence: 1 fullname: 李鑫 – sequence: 2 fullname: 李玉峰 – sequence: 3 fullname: 张栋梁 – sequence: 4 fullname: 王觅堂 |
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| Keywords | rare earth chloride 棒状结构 upconversion luminescence NaGdF4∶Yb3+,Er3 发光纯度 luminous purity rod-shaped structure 稀土氯化物 上转换发光 |
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| Snippet | TB332; 以乙二胺四乙酸二钠(EDTD-2Na)为螯合剂,采用水热法合成了棒状结构的NaGdF4∶Yb3+,Er3+纳米粉末.分别借助X射线衍射(XRD)、荧光光谱仪(PL)和扫描显微镜(SEM)对其晶体结... |
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| Title | 棒状结构NaGdF4∶Yb3+,Er3+上转换发光性能的研究 |
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