稳定和超长的室温光共聚合物具有出色的附着性,抗性和性
Yiling Miao1, Faxu Lin2, Danman Guo1
1PCFM Lab, Guangdong Engineering Technology Research Center for High-performance Organic and Polymer Photoelectric Functional Films, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, P. R. China.
Science advances
|March 8, 2024
概括
高强度的有机材料实现稳定的室温光 (RTP),即使在水中和冲击下. 这些先进的光系统为防伪应用提供持久的后照.
科学领域:
- 材料科学 材料科学 材料科学
- 有机化学 有机化学
- 聚合物科学 聚合物科学
背景情况:
- 在有机系统中开发稳定的室温光 (RTP) 是具有挑战性的,因为三重状态对运动和氧气的敏感性.
- 现有的有机通常会因湿度和机械应力而降解.
研究的目的:
- 创建具有稳定的室温光 (RTP) 的高强度有机光系统.
- 开发用于先进防伪应用的材料,具有持久的光泽.
主要方法:
- 将刚性合物合到聚乙烯乙烯树脂共聚合物矩阵中.
- 在聚合物矩阵内设计出水友性和疏水性质的平衡.
- 具有光特性,在各种条件下的稳定性和粘合能力.
主要成果:
- 实现了高度坚固的RTP聚合物薄膜,对各种表面具有优越的粘附性.
- 已证明可逆光激活RTP,发射寿命高达5.82秒.
- 在各种条件下,包括浸水和机械冲击,保持了超过25.0秒的明亮后照.
结论:
- 开发的光系统表现出极高的稳定性和持久的光照,克服了纯有机RTP材料的局限性.
- 独特的聚合物矩阵设计为创建具有全面性能的稳定超长RTP材料提供了洞察力.
- 这些材料显示出在现场调制的防伪标签和其他先进应用的巨大潜力.
相关概念视频
01:20Types of Step-Growth Polymers: Polyesters
2.2K
The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
2.2K
01:14Photoluminescence: Applications
393
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...
393