Near Infrared Cut-off of Composite Film with Various Perovskite Oxide Based Nanoparticles
نویسندگان
چکیده
Homogenous cesium tungsten tri-oxide (CsAW1O3) and powder was prepared by solvothermal reaction using (NH4)10H2(W2O7)6 and Cs2CO3 aqueous solution followed by annealing. The cesium doped tungsten tri-oxide (CsAW1O3) nanocomposite films was deposited by the sol-gel bar-coating method onto PET-film (polyethylene terephthalate film, thickness 186 μm) substrate. The structure and sizes of ceramic particles was observed XRD and PSA spectrometer, the optical properties of their films were investigated by UV-VIS, NIR spectrometer. Synthesized particles typically formed cubic structure for good absorption of NIR, size observed as being 30-100 nm and <150 nm. CsAW1O3 nanoparticles showed a high transmittance in the visible wavelength region as well as excellent shielding capability of near-infrared (NIR) wavelength, indicating that CsAW1O3 nanoparticles have the appropriate characteristic as solar filter application.
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