期刊
THIN SOLID FILMS
卷 636, 期 -, 页码 99-106出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2017.05.039
关键词
Titanium oxide; Nanosheet; Optical property; UV-protection
Two-dimensional (2D) materials with infinite planar dimensions have attracted much attention due to their unique crystal structure and three-dimensional anisotropy. A 2D titanium-oxide nanosheet was synthesized in this study, and its optical property in terms of being a candidate material for an ultraviolet (UV)-protecting material was investigated. The titanium-oxide nanosheet was produced to be about 1 nm-thick by the chemical exfoliation of single crystalline potassium intercalated titanium oxide. Its crystal structure and chemical composition were investigated with X-ray diffraction, electron microscope, and thermogravimetric analysis. Sheet films with various thickness were fabricated using layer-by-layer coating with the titanium-oxide nanosheet, and their optical properties were investigated as a function of film thickness. They efficiently protected from UV-rays, and their UV-protection was much higher than that of common UV-protectors at similar film thickness. (C) 2017 Elsevier B.V. All rights reserved.
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