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Transparent high refractive index nanocomposite thin films
Affiliation:1. Nanopowder Research Department, Nanopowder and Thin Film Technology Center, Industrial Technology Research Institute, Tainan, Taiwan;2. Department of Materials Science and Engineering, National Taiwan University, Taipei, Taiwan;3. Department of Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan;1. Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, United States;2. Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, United States;1. Engineering Mathematics and Physics Department, Faculty of Engineering at Shoubra, Cairo, 11629, Benha University, Egypt;2. Physics Department, Faculty of Education in Afif Govt., Afif, 11921, Shaqra University, Saudi Arabia;3. Department of Science and Technology, Amity University Dubai, Dubai, United Arab Emirates;1. Chemical Materials Solutions Center, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea;2. Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea;3. Energy Materials Research Center, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea;1. CNRS, University Pau & Pays Adour, E2S UPPA, Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux, IPREM, UMR5254, Hélioparc, 2 av. P. Angot, 64000, PAU, France;2. IMT Mines Ales, C2MA, 6 avenue de Clavières, 30319 Ales Cedex, France
Abstract:This work reports the preparation of acetic acid-modified TiO2 nanoparticles by sol–gel synthesis method. The nanoparticles can be incorporated directly into the polymer matrix to form transparent high refractive index nanocomposite thin films. The result shows that increasing the titania content in the hybrid nanocomposite thin films can significantly increase the refractive index. Hybrid nanocomposite thin film with refractive index value of 2.38 had been prepared. All prepared films also exhibit excellent optical transparency in the visible region.
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