Regenerated Cellulose-WO₃ Aerogel

5-sec UV response

A regenerated cellulose aerogel with homogeneously dispersed WO₃ nanodots exhibits superfast photochromism, and its annealed form doubles as an efficient photothermal converter.

Yanjin, Tang · Yuhan, Lai · Gao, Ruiqin · Yuxuan, Chen · Kexin, Xiong · Juan, Ye · Qi, Zheng · Fang, Zhenxing · Pang, Guangsheng · Hoo-Jeong, Lee

Gels 2023

Specifications

一个太阳下蒸发速率
{'zh': '1.75', 'en': ''} kg m⁻²
光热转换效率
{'zh': '85', 'en': ''} %

Advantages

Turns from pale white to bright blue within 5 s under ambient solar irradiation