Figure 6From: Facile fabrication of high-efficiency near-infrared absorption film with tungsten bronze nanoparticle dense layerCross-sectional images and spectra of the Cs 0.33 WO 3 -coated films. The cross-sectional SEM and TEM images of the Cs0.33WO3- coated film fabricated by composite layer (a, b) and double layer coating method (c, d) and spectra of the films fabricated by different methods from UV to NIR region (e), respectively.Back to article page