Dual-functional conductive nanofilm absorber  

作　　者：Hongyan Liu Zheng Xie Weiming Liu Hongdong Li Yue Yan Xiaoli Wang 

机构地区：[1]Beijing Institute of Aeronautical Materials,Beijing 100095,China [2]College of Rare Earth and Faculty of Materials Metallurgy and Chemistry,Jiangxi University of Science and Technology,Ganzhou 341000,China [3]CAS Key Laboratory of Nanosystem and Hierarchical Fabrication,National Center for Nanoscience and Technology,Beijing 100190,China [4]Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences,Beijing 100049,China

出　　处：《Nano Research》2023年第12期13375-13380,共6页纳米研究（英文版）

基　　金：financially supported by the National Natural Science Foundation of China(Nos.52072354,21673053,and 21975060);Youth Innovation Promotion Association CAS(No.2019039).

摘　　要：Converting solar energy by to other forms of energy has attracted a lot of interest from academy to industry.However,the overall utilization efficiency of solar energy is inferior due to the limited effective solar spectrum range.Here,in order to utilize the broadband solar spectrum more efficiently,a novel hybrid absorber structure was proposed,which consists of a four-layer planar nanofilm with dual functions of heat absorption and photocatalysis.The average absorption in the visible range is larger than 0.95,and in the near-infrared spectral region,the average absorption is still larger than 0.85.The overall absorption of the absorber is over 0.86,while the thermal emittance is lower than 0.04,which can lead to remarkable thermal utilization efficiency.Moreover,the full range of the solar irradiance can be utilized by incorporating the photocatalytic TiO_(2) layer into the absorber,which is active in the ultraviolet spectral range.In addition to the broadband spectral usage,the virtues of inexpensiveness and environmental friendliness make it a facile alternative to be applied in solar energy transformation.

关 键 词：ABSORBER PHOTOCATALYSIS multilayer film HEAT 

分 类 号：TB383[一般工业技术—材料科学与工程]