Source data for a dual-selective thermal emitter with enhanced subambient radiative cooling performance

Source data for dual-selective radiative cooling model, dual-selective sample, and the corresponding thermal management Including the following items: Source Data Fig. 1. Simulated data for the relationship between the net cooling power and sample temperature for the dual-, mono-, and non-selective RC models. Source Data Fig. 2. Experimental data for the nano-micro structure, spectral response, and weather stability of the dual-selective sample. Source Data Fig. 3. Experimental data for the subambient cooling measurements in the Ulan Buh Desert. Source Data Fig. 4. Experimental data for the cooling power measurements and the Al-foil box based thermal measurements. Source Data Fig. 5. Experimental data for the spectral response and thermal measurements of the colored dual-selective sample. Source Data Supplementary Fig. 6. Theoretical data for the cooling performance of the three different radiative coolers in a high humidity environment. Source Data Supplementary Fig. 13. Solar reflectance of the POM-PTFE-Al film with different POM-PTFE film thicknesses. Source Data Supplementary Fig. 14. Spectral response of the POM-PTFE-Al film with different PTFE content (mass concentration). Source Data Supplementary Fig. 20. MIR reflectance of the POM-PTFE-Al film in the 4–25 μm waveband. Source Data Supplementary Fig. 21. Stress and elongation data for the dual-selective POM-PTFE, mono-selective POM, non-selective PVDF, and colored POM-PTFE. Source Data Supplementary Fig. 25. Solar reflectance of a dual-selective POM-PTFE film before and after water treatment. Source Data Supplementary Fig. 26. Continuous measurement of wind speed over 24 hours in the Ulan Buh Desert (6 and 7 September 2022). Source Data Supplementary Fig. 27. Temperature difference between ambient air and a dual-selective POM-PTFE film during an outdoor thermal measurement (6 and 7 September 2022). Source Data Supplementary Fig. 31. Solar reflectance of dual-selective POM-PTFE-Al, mono-selective POM-Al, and non-selective PVDF films. Source Data Supplementary Fig. 32. Temperature difference between the ambient air and three different samples during an outdoor thermal measurement. Source Data Supplementary Fig. 33. Average cooling power and the corresponding theoretical values of the dual-selective and mono-selective samples. Source Data Supplementary Fig. 35. Average cooling power and the corresponding theoretical values of the dual-selective and mono-selective samples. Source Data Supplementary Fig. 38. Real-time surface temperatures of the dual-selective emitter and the several typical commercial roofing materials captured by an IR camera. Source Data Supplementary Fig. 49. Temperature difference between ambient air and three colored samples (red, yellow, and blue, respectively).

本数据集为双选择性辐射制冷（Radiative Cooling, RC）模型、双选择性样品及其配套热管理系统的源数据，包含如下内容：
源数据图1：双选择性、单选择性与非选择性辐射制冷模型的净制冷功率与样品温度间关系的模拟数据；
源数据图2：双选择性样品的纳米微结构、光谱响应与天气稳定性相关实验数据；
源数据图3：乌兰布和沙漠中亚环境制冷测试的实验数据；
源数据图4：制冷功率测试及基于铝箔箱的热测试相关实验数据；
源数据图5：有色双选择性样品的光谱响应与热测试相关实验数据；
源数据补充图6：三种不同辐射制冷器在高湿度环境下的制冷性能理论数据；
源数据补充图13：不同聚甲醛-聚四氟乙烯（POM-PTFE）膜厚度的POM-PTFE-铝（POM-PTFE-Al）复合膜的太阳反射率数据；
源数据补充图14：不同聚四氟乙烯（PTFE）质量浓度的POM-PTFE-Al复合膜的光谱响应数据；
源数据补充图20：POM-PTFE-Al复合膜在4~25 μm波段的中红外（Mid-Infrared, MIR）反射率数据；
源数据补充图21：双选择性POM-PTFE、单选择性聚甲醛（POM）、非选择性聚偏二氟乙烯（PVDF）以及有色POM-PTFE的应力与伸长率数据；
源数据补充图25：水处理前后的双选择性POM-PTFE膜的太阳反射率数据；
源数据补充图26：2022年9月6日至7日乌兰布和沙漠地区的24小时连续风速测试数据；
源数据补充图27：2022年9月6日至7日户外热测试期间，环境空气与双选择性POM-PTFE膜之间的温差数据；
源数据补充图31：双选择性POM-PTFE-Al、单选择性POM-Al以及非选择性PVDF膜的太阳反射率数据；
源数据补充图32：户外热测试期间，环境空气与三种不同样品之间的温差数据；
源数据补充图33：双选择性与单选择性样品的平均制冷功率及其对应理论值数据；
源数据补充图35：双选择性与单选择性样品的平均制冷功率及其对应理论值数据；
源数据补充图38：经红外相机（Infrared Camera, IR Camera）采集的双选择性辐射体与多款典型商用屋面材料的实时表面温度数据；
源数据补充图49：环境空气与三种有色样品（分别为红色、黄色与蓝色）之间的温差数据。