Acetate-intercalated Ni–In layered double hydroxides with low infrared emissivity: Synthesis, delamination and restacked to form the multilayer films

摘要: Abstract The low-emissive membrane materials have potential applications in infrared detecting technologies. Herein, we report a novel LDHs film with low emissivity, which was based on the deposition of exfoliated LDH nanosheets. monodispersed hexagonal plate-like particles Ni–In–CO 3 2− were prepared by coprecipitation method hydrothermal treatment under optimized conditions. In order to exfoliate into nanosheets, acetate-intercalated Ni–In anion-exchange LDHs. as-prepared exhibited excellent delaminating behavior water and unilamellar nanosheets easily obtained. resulting positive-charged assembled onto quartz substrates produce multilayer films. emissivity values all samples characterized. It found that incorporation Ni 2+ 3+ host layer significantly reduced value. Moreover, value further fabrication ultrathin films, can be ascribed dense orderly structure smooth surface morphology.