Research Progress of Cellulose-based Thermochromic Smart Windows
WANG Shihao1, WEI Lishi1, LIU Hongzhi1, LI Kunlin1, LI Yuan1, PAN Mengyao2, SONG Shanshan1,*, SONG Yongming1,*
1 College of Materials Science and Engineering, Northeast Forestry University, Harbin 150040, China 2 School of Fashion and Textiles, The Hong Kong Polytechnic University, Hong Kong 999077, China
Abstract: Cellulose-based thermochromic smart windows can modulate sunlight by switching between a transparent state at low temperature and an opaque state at high temperature, thereby contributing to building energy conservation. Boasting eco-friendliness, high efficiency energy saving, and cost-effectiveness, these smart windows autonomously modulate light transmittance in response to ambient temperature without external energy input, blocking solar heat in summer and retaining it in winter. Owing to considerable energy-saving potential, this type of smart window has emerged as a research focus and application hotspot in the field of building thermal management. However, current research still has several limitations, particularly in the comprehensive understanding of the thermochromic mechanism and performance optimization strategies. This review systematically summarizes recent advances in cellulose-based thermochromic smart windows, focusing on their structural design, responsive temperature, response time, solar modulation ability, mechanical strength, anti-freezing performance, and functional integration. Furthermore, the key issues that urgently require resolution are discussed, and future directions as well as prospects are outlined.
王世豪, 魏丽诗, 刘鸿智, 李昆霖, 李渊, 潘梦瑶, 宋姗姗, 宋永明. 纤维素基热致变色智能窗的研究进展[J]. 材料导报, 2026, 40(12): 25090199-9.
WANG Shihao, WEI Lishi, LIU Hongzhi, LI Kunlin, LI Yuan, PAN Mengyao, SONG Shanshan, SONG Yongming. Research Progress of Cellulose-based Thermochromic Smart Windows. Materials Reports, 2026, 40(12): 25090199-9.
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