Effects of Stokes shift and Purcell enhancement on fluorescence-assisted radiative cooling

作者：Xue Ma, Yang Fu, Arsenii S. Portniagin, Ning Yang, Danjun Liu, Andrey L. Rogach, Jian‐Guo Dai, Dangyuan Lei · 发表于：Journal of Materials Chemistry A · 年份：2022 · DOI：10.1039/d2ta02259a · 被引用次数：49 · 研究领域：Thermal Radiation and Cooling Technologies、Optical properties and cooling technologies in crystalline materials、Urban Heat Island Mitigation

A Purcell factor of 2.6, obtained by matching the emission wavelength of phosphor with the Mie scattering resonance of TiO 2 nanoparticles, and small stokes shift improve the effective solar reflectance of fluorescent cooling coatings by up to ∼4%.