中国造纸2025，Vol.44Issue(11)：1-7,7.DOI:10.11980/j.issn.0254-508X.2025.11.001
纤维素纳米晶体光子膜的构筑及其刺激响应性能研究
Cellulose Nanocrystal Photonic Films:Fabrication and Stimuli-responsive Properties
摘要
Abstract
In this study,a photonic film with both mechanical properties and tunable structural color was prepared by incorporating deep eutectic solvents(DES)into cellulose nanocrystals(CNC)through layered casting,and it was named CNC/DES photonic film.The results showed that the amount of DES added was a crucial parameter for regulating the structural color,mechanical properties,ther-mal stability,and responsive characteristics of photonic films.The introduction of DES effectively addressed the defect of insufficient flexibility in photonic films,increasing the elongation at break to(0.74±0.18)%.The film exhibited a wide color gamut(gradually tran-sitioning from blue to orange-red)and enhanced thermal stability.The CNC/DES0.5 photonic film(the addition amount of DES was 0.5%)demonstrated excellent humidity-responsive characteristics,as the realitive humidity increased from 50%to 99%,the film changed from yellow-green to red,while also exhibiting good reversible humidity performance(over 20 cycles).Additionally,the film displayed sensitive identification of trace amounts of water in ethanol/water mixtures,gradually changing from red to yellow-green as the water content decreased.Leveraging the responsive characteris-tics of CNC to H₂O molecules,photonic films exhibited reversible behavior in humidity sensing and moisture detection.关键词
纤维素纳米晶体/光子结构色/低共熔溶剂/湿度可逆性能Key words
cellulose nanocrystals/photonic structure color/deep eutectic solvents/reversible humidity performance分类
轻工纺织引用本文复制引用
孟亚会,贾志欣,郭大亮,赵会芳,沙力争,沈静..纤维素纳米晶体光子膜的构筑及其刺激响应性能研究[J].中国造纸,2025,44(11):1-7,7.基金项目
博士后科学基金资助项目(2024M760380) （2024M760380）
浙江省博士后科研项目(ZJ2024113) （ZJ2024113）
浙江省教育厅一般科研项目(Y202351793) （Y202351793）
浙江科技学院青年科学基金项目(2023QN052) （2023QN052）
浙江科技大学环境与资源学院青年教师创新研究项目(HZQY202408). （HZQY202408）
