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| Study on the Preparation of Cellulose Nanocrystal-based Circularly Polarized Fluorescent Film and Its Stimulus-responsive Properties |
| Received:January 11, 2026 Revised:February 12, 2026 |
| DOI：10.11980/j.issn.0254-508X.2026.07.004 |
| Key Words:cellulose nanocrystals curcumin circularly polarized fluorescent film stimulus-responsive properties |
| Author Name | Affiliation | Postcode | | Li Xinxin* | 1China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
2China Tobacco Hubei Industrial of Cigarette Material Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | Liu Qiang* | 1China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
2China Tobacco Hubei Industrial of Cigarette Material Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | Chen Congxin | 1China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
2China Tobacco Hubei Industrial of Cigarette Material Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | Li Lixin | 1China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
2China Tobacco Hubei Industrial of Cigarette Material Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | Ye Peiyao | 1China Tobacco Hubei Industrial Co., Ltd., Wuhan, Hubei Province, 430040
2China Tobacco Hubei Industrial of Cigarette Material Co., Ltd., Wuhan, Hubei Province, 430040 | 430040 | | Meng Yahui* | 3School of Environmental and Nature Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 | 310023 | | Jia Zhixin | 3School of Environmental and Nature Resources, Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023
4Zhejiang Huafeng Paper Technology Co., Ltd., Huzhou, Zhejiang Province, 313300 | 313300 | | Yang Jiaxi | 4Zhejiang Huafeng Paper Technology Co., Ltd., Huzhou, Zhejiang Province, 313300 | 313300 |
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| Abstract:A multi-stimulus-responsive film with structural coloration, fluorescence, and circularly polarized luminescence (CPL) performance was fabricated through the co-assembly of cellulose nanocrystals (CNC), curcumin (Cur), and choline chloride/glycerin deep eutectic solvent (DES). The structure, mechanical properties, optical properties, and stimulus-responsive behaviors of the prepared CNC/Cur/DES film were systematically investigated. The results showed that the incorporation of DES effectively regulated the chiral nematic structure of CNC, endowing the film with good flexibility (fracture strain of (1.77±0.31)%) and CPL performance. The CNC/Cur/DES film enabled the synergistic output of structural color and fluorescence signals and exhibited distinct optical responses to various external stimuli, including pH, ethanol, and Fe3+, demonstrating excellent visual recognition capability. |
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