相关实验视频

Updated: May 27, 2025

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core

Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core

Published on: October 24, 2017

大面积,超薄的有机薄膜具有光色和光两种特性

Chuanli Chen¹, Weijing Zhang², Zeng Wang³

¹School of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, 325035, P. R. China.

Angewandte Chemie (International ed. in English)

|February 17, 2025

概括

研究人员开发了新的塑料材料,结合了室温光和可逆光色. 这一创新增强了诸如聚乙烯二甲 (PET),聚烯 (PS) 和聚乙烯 (PVC) 等常见聚合物的技术价值.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
光电学是指光电子产品.

背景情况:

像聚乙烯二甲 (PET),聚烯 (PS) 和聚乙烯 (PVC) 这样的常见塑料具有有限的光学功能.
提高这些广泛使用的聚合物的光学性能可以显著增加它们的技术价值和应用范围.

研究的目的:

合成一种具有可逆光色特性的新型光分子.
用这种分子合常见塑料制造聚合物复合物.
调查这些化材料中光和光色共存的情况.

主要方法:

合成2.2'-二-3,3'-双福兰 (DBF),一种具有可逆光色能力的光分子.
用合成的DBF分子染PET,PS和PVC矩阵.
由此产生的合聚合物系统的光学和热性质的表征.

主要成果:

所有化聚合物 (PET,PS,PVC) 都表现出室温光和可逆光色 (无色到深红).
DBF分子的可逆循环和宿主矩阵的刚性促进了这两个光学属性的共存.
长200米,宽20厘米,厚60-70μm的DBF/PET薄膜显示出出色的热稳定性,灵敏度和耐光疲劳性.

结论:

该研究成功创建了具有双重光学功能的合聚合物系统:光和光色.
开发的DBF/PET薄膜由于其稳定性和性能,对工业应用具有显著的潜力.
这项工作为具有定制光学特性的高级功能性塑料材料开辟了道路.

关键词:

大规模的工业片.有机合材料是有机合材料.这是光色现象的现象.在室温下光的光.

更多相关视频

Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds

Published on: October 18, 2018

Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition

Fabrication of Ultra-thin Color Films with Highly Absorbing Media Using Oblique Angle Deposition

Published on: August 29, 2017

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...

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence: Fluorescence and Phosphorescence

Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...

Variables Affecting Phosphorescence and Fluorescence

Variables Affecting Phosphorescence and Fluorescence

Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...