相关实验视频

Updated: Sep 18, 2025

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings

Published on: April 16, 2017

在HA/β-TCP复合中微乳液合成和光学温度传感器特性

Cao Xuan Thang¹, Duy-Hung Nguyen¹, Vuong-Hung Pham¹

¹School of Materials Science and Engineering (SMSE), Hanoi University of Science and Technology (HUST) Hanoi Vietnam.

|June 26, 2025

概括

一种新的微乳液方法合成了与稀土合的氧酸盐/β-三酸盐复合. 这些体表现出强烈的绿色上转换排放和高温灵敏度,适合用于热传感器.

科学领域:

材料科学材料科学材料科学
无机化学无机化学有机化学
固态物理固态物理

背景情况:

酸 (HA) 和β-三酸 (β-TCP) 是生物相容的陶材料.
上转换 (UC) 可以将低能光子转换为高能光子.
稀土元素的兴奋剂对UC特性至关重要.

研究的目的:

开发一种新的微乳液 (ME) 方法,用于合成稀土合HA/β-TCP复合.
为了研究聚乙烯醇 (PVA) 含量对光体结构和发光效应的影响.
评估这些的潜在应用在热传感和光电子领域.

主要方法:

微乳液 (ME) 合成复合的方法.
用X射线衍射 (XRD) 和拉曼光谱进行结构分析.
在975nm激发下,向上转换 (UC) 发光光谱学.
光强度比 (FIR) 技术用于温度灵敏度测量.

主要成果:

合成的由六角HA和正角β-TCP相组成.
观察到强烈的绿色UC排放,强度取决于PVA含量.
实现了高颜色纯度 (高达94.77%) 和显著的温度灵敏度 (0.93%K-1在293K).

结论:

ME方法有效地生产具有理想的UC特性的HA/β-TCP复合.
在调整发光特性方面,PVA含量起着至关重要的作用.
开发的光体显示出热传感和光电子设备中先进应用的前景.

更多相关视频

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

Published on: March 27, 2018

Fabrication and Testing of Photonic Thermometers

Fabrication and Testing of Photonic Thermometers

Published on: October 24, 2018

相关概念视频

Photoluminescence: Applications

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...