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Annealing Effect on Reversible Photochromic Properties of Ag@TiO_2 Nanocomposite Film

机译：退火对Ag @ TiO_2纳米复合薄膜可逆光致变色性能的影响

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摘要

Large-scale uniform Ag@TiO_2 films was prepared by RF magnetron sputtering in pure Ar plasma using polycrystalline TiO_2 semiconductor sintered target. The effect of annealing on the photochromic properties was studied to obtain a better understanding of the interaction of the structure. Ultraviolet-visible absorption and scanning electron microscopy were performed to investigate the possibility of tailoring the structure with consequent modification of the optical properties. Ag nanoparticles were formed between TiO_2 films after annealing the samples with Ag film structure. The annealed Ag@TiO_2 films present a photochromic property in comparison with the as-prepared samples. Such nanocomposite films can be used as smart windows, high density multiwavelength optical memory and rewritable electronic paper.
机译：利用多晶TiO_2半导体烧结靶，在纯Ar等离子体中通过射频磁控溅射制备了大规模均匀的Ag @ TiO_2薄膜。研究了退火对光致变色特性的影响，以更好地了解结构的相互作用。进行了紫外线-可见吸收和扫描电子显微镜，以研究调整结构并随之改变光学性能的可能性。将具有Ag膜结构的样品退火后，在TiO_2膜之间形成了Ag纳米颗粒。与制备的样品相比，退火的Ag @ TiO_2薄膜具有光致变色特性。这种纳米复合膜可以用作智能窗，高密度多波长光学存储器和可重写电子纸。

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