水热合成NaGdF4:Yb3+,Er3+及 Na(Y,Gd)F4:Yb3+,Er3+的尺寸控制及发光性能研究

陈天珏; 陆春华; 崔腾丽; 刘晓霞; 丁明烨; 倪亚茹; 许仲梓

doi:10.3788/fgxb20143511.1283

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水热合成NaGdF₄:Yb³⁺,Er³⁺及 Na(Y,Gd)F₄:Yb³⁺,Er³⁺的尺寸控制及发光性能研究

材料合成及性能 | 更新时间：2020-08-12

- 水热合成NaGdF₄:Yb³⁺,Er³⁺及 Na(Y,Gd)F₄:Yb³⁺,Er³⁺的尺寸控制及发光性能研究
- Hydrothermal Synthesis of NaGdF₄:Yb³⁺, Er³⁺ and Na(Y,Gd)F₄:Yb³⁺,Er³⁺: Size Control and Luminescent Properties
- 发光学报 2014年35卷第11期页码：1283-1290
- 作者机构：
  
  材料化学工程国家重点实验室南京工业大学材料科学与工程学院,江苏南京,210009
- 作者简介：
- 基金信息：
  
  教育部长江学者和创新团队发展计划(IRT1146)();江苏省高校自然科学研究重大资助项目(10KJA430016)();国家自然科学基金(20901040/B0111
- DOI：10.3788/fgxb20143511.1283
  中图分类号： O482.31
- 纸质出版日期：2014-11-3，
  
  收稿日期：2014-7-12，
  
  修回日期：2014-7-29，
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陈天珏, 陆春华, 崔腾丽等. 水热合成NaGdF4:Yb3+,Er3+及 Na(Y,Gd)F4:Yb3+,Er3+的尺寸控制及发光性能研究[J]. 发光学报, 2014,35(11): 1283-1290

CHEN Tian-jue, LU Chun-hua, CUI Teng-li etc. Hydrothermal Synthesis of NaGdF4:Yb3+, Er3+ and Na(Y,Gd)F4:Yb3+,Er3+: Size Control and Luminescent Properties[J]. Chinese Journal of Luminescence, 2014,35(11): 1283-1290
陈天珏, 陆春华, 崔腾丽等. 水热合成NaGdF4:Yb3+,Er3+及 Na(Y,Gd)F4:Yb3+,Er3+的尺寸控制及发光性能研究[J]. 发光学报, 2014,35(11): 1283-1290 DOI： 10.3788/fgxb20143511.1283.

CHEN Tian-jue, LU Chun-hua, CUI Teng-li etc. Hydrothermal Synthesis of NaGdF4:Yb3+, Er3+ and Na(Y,Gd)F4:Yb3+,Er3+: Size Control and Luminescent Properties[J]. Chinese Journal of Luminescence, 2014,35(11): 1283-1290 DOI： 10.3788/fgxb20143511.1283.

摘要

采用水热法制备NaGdF

:Yb

及Na(Y

Gd)F

:Yb

通过改变温度、时间、pH、柠檬酸三钠浓度比、氟源浓度比及掺杂Y

浓度来调节颗粒的尺寸及研究其对发光强度的影响。通过XRD、FE-SEM、PL测试对样品进行表征分析。当溶液呈强酸性时

形成的是纯GdF

相;pH提高后

GdF

转变为-NaGdF

相。柠檬酸三钠含量的增加会抑制颗粒尺寸的生长从而降低发光强度。氟源含量的增加会使颗粒沿(001)面生长

发光强度也增大。而随着掺杂Y

含量的增加

颗粒尺寸增大

发光强度呈现先下降后升高的趋势。

Abstract

NaGdF

:Yb

and Na(Y

Gd)F

:Yb

crystals were synthesized by hydrothermal methods. The size and luminous intensity of the particles can be adjusted by changing the temperature

time

pH value

the molar ratios of trisodium citrate to

ions

ions and Gd

to Y

ions. Diffraction (XRD)

photoluminescence (PL) spectra

and field emission-scanning electron microscopy (FE-SEM) were used to characterize and analysis the samples. The low pH value is found to promote the formation of GdF

while NaGdF

benefits from high pH value. The increasing of trisodium citrate content can restrain the growth of the particle to reduce the luminous intensity. The addition to the fluorine content accelerates the growth along (001) crystal orientation relative to (101) crystal orientation and further enhances luminous intensity. With the increasing of doped Y

content

particle size increases

while the luminous intensity show a trend of rising after decline first.

关键词

NaGdF4Na(YGd)F4颗粒尺寸发光强度

Keywords

NaGdF4Na(YGd)F4particle sizeluminous intensity

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