Figure 6From: Preparation and near-infrared photothermal conversion property of cesium tungsten oxide nanoparticlesAbsorption spectra for aqueous dispersions of Cs 0.33 WO 3 powder (0.008 wt.%) before and after grinding for different times. For the samples before and after grinding for 1 and 2 h, 5 wt.% of PEG 6000 was added.Back to article page