响应性结构色彩材料用于感应应变,水和伪装
Zekun Zhang1, Xia Hu1, Dekun Ma2
1Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, School of Chemistry and Chemical Engineering, School of Life Science, Shaoxing University, Shaoxing 312000, China.
Journal of colloid and interface science
|August 12, 2025
概括
研究人员开发了以黑为灵感的新材料,具有动态的,开关的结构颜色. 这些材料为高级应用提供了卓越的稳定性,伸展性和快速响应时间.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
- 光学是什么?光学是什么?光学是什么?
背景情况:
- 以驼为灵感的响应性结构色彩材料 (RSCM) 对动态色彩应用非常感兴趣.
- 现有的RSCM往往由于稳定性差,伸展性有限,响应速度缓慢而受到损害,阻碍了实际使用.
研究的目的:
- 制造具有对动态和开关结构颜色的独立控制的新型强力/水反应性RSCM.
- 克服现有的RSCM在稳定性,伸展性和响应性方面的局限性.
主要方法:
- 在4-基乙烯酸盐 (HBA) 中非密集组装的二氧化颗粒,以创建可膨胀的水友性光子晶体 (PC).
- 使用HBA进行PC的胀,然后进行光聚合.
- 机械,光学和响应性质的表征.
主要成果:
- 制造的RSCM没有溶剂,具有很大的格子距离和高弹性模量,确保了卓越的稳定性.
- 实现了大应变 (0-110%),大光谱转移 (Δλ = 253 nm),超快响应 (6.7 nm/ms) 和高可逆性 (> 500 个周期).
- 通过折射不匹配/匹配证明了非传统的对水的反应性,可通过折射不匹配/匹配进行可逆的开/关色切换.
结论:
- 开发的RSCM克服了以前材料的关键局限性,提供了卓越的性能和颜色状态的独立控制.
- 这些材料显示出在触发模式伪装,无线传感,光学设备和防伪等领域的应用潜力.
- 独特的水反应机制为智能材料设计开辟了新的途径.
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