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Title:: Preparation, Optical Modulation, and Application of Photonic Cellulosic Materials

Author(s):: TAN Qiang-wu; LI Lin-yue; LIAO Xue; DONG Xiu; WANG Zi-li; YANG Su-rui; JI Xiao-ying; WANG Yu-zhong; SONG Fei; 1. The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), State Key Laboratory of Polymer Materials Engineering, College of Chemistry, Sichuan University, Chengdu 610064, China 2. School of Chemistry, Key Laboratory of Advanced Technologies of Materials Ministry of Education), Southwest Jiaotong University, Chengdu 610031,China et al.

Abstract:: In the context of increasing emphasis on environmental conservation and the “dual carbon” targets, the utilization of renewable cellulose and its derivatives to fabricate high-performance photonic crystals has emerged a new focus in the field of advanced photonic materials. This review provides an exhaustive overview of the advancements in photonic cellulosic materials, encompassing coloration mechanisms, color modulation strategies, and scalable production techniques, while highlighting the correlation between their structural attributes and optical performances. The review also outlines their promising applications in optical sensors, color display technology, and anti-counterfeiting,emphasizing their potential to replace chemical pigments and their significance in optical information storage, as well as in environmental interaction for packaging. Lastly, it offers a concise analysis of current challenges and future development trajectories, aiming to provide a reference for the research and application of such sustainable photonic materials.