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| Research Progress on Smart Chiral Photonic Materials Based on Cellulose Nanocrystals |
| Received:March 03, 2026 Revised:March 19, 2026 |
| DOI：10.11981/j.issn.1000-6842.2026.03.118 |
| Key Words:cellulose nanocrystals;chiral nematic structure;evaporation-induced self-assembly;color responsiveness |
| Fund Project:新疆青年拔尖人才-青年科技创新人才项目2023TSYCCX0039新疆青年拔尖人才-青年科技创新人才项目（2023TSYCCX0039）。 |
| Author Name | Affiliation | Postcode | | Guo Jiaxu* | College of Chemistry and Chemical Engineering， Xinjiang Agricultural University， Urumqi， Xinjiang Uygur Autonomous Region， 830052 | 830052 | | Kang Daobin | College of Chemistry and Chemical Engineering， Xinjiang Agricultural University， Urumqi， Xinjiang Uygur Autonomous Region， 830052 | 830052 | | Luo Xiaodong | College of Chemistry and Chemical Engineering， Xinjiang Agricultural University， Urumqi， Xinjiang Uygur Autonomous Region， 830052 | 830052 | | Zuo Rui | College of Chemistry and Chemical Engineering， Xinjiang Agricultural University， Urumqi， Xinjiang Uygur Autonomous Region， 830052 | 830052 | | Li Deqiang* | College of Chemistry and Chemical Engineering， Xinjiang Agricultural University， Urumqi， Xinjiang Uygur Autonomous Region， 830052 | 830052 |
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| Abstract: |
| Cellulose nanocrystals （CNC） possess unique nanoscale dimensions and high surface energy. Through processes such as evaporation-induced self-assembly， CNC could be used to construct chiral nematic （cholesteric） photonic crystal materials， which held great potential for applications in smart sensing and anti-counterfeiting. However， limitations such as insufficient assembly rates， low precision in microstructural control， and a lack of diversity in functional modification systems had restricted the application scenarios of CNC-based smart chiral photonic materials. This paper took the structure-property relationship of “preparation process-microstructure-macroscopic performance” as the central theme to systematically summarize the evolution patterns and key influencing factors of the chiral nematic structure in CNC. It provided an in-depth explanation of the energy dissipation mechanism and charge shielding effect resulting from molecular intercalation， as well as the regulatory mechanisms of these two effects on the mechanical strength and color response performance of the CNC-based smart chiral photonic materials. Besides， this paper summarized feasible approaches for multi-parameter cooperative optimization to overcome the limitations of existing technologies， providing a theoretical foundation for the industrial research and development of CNC-based smart chiral photonic materials in the fields of flexible wearables and smart packaging. |
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