Scalable and flexible porous hybrid film as a thermal insulating subambient radiative cooler for energy-saving buildingsTong Wang, Shuhua Tu, Yinggang Chen, Qian Zhu, Yinan Zhang, Zhiyi Ding, Xue Mei, Min Chen, Min Gu and Limin WuNatl Sci Open, 2 4 (2023) 20220063DOI: https://doi.org/10.1360/nso/20220063