Open AccessOptical properties of TiO 2 nanorod/PMMA bilayered film and the application for anti‐reflection
Author(s) -
Yudoyono Gatut,
Pramono Yono Hadi,
Zainuri Mochamad,
Darminto D.
Publication year - 2017
Publication title -
micro and nano letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.25
H-Index - 31
ISSN - 1750-0443
DOI - 10.1049/mnl.2017.0211
Subject(s) - nanorod , materials science , spin coating , amorphous solid , scanning electron microscope , transmittance , layer (electronics) , band gap , rutile , coating , optics , analytical chemistry (journal) , chemical engineering , nanotechnology , optoelectronics , composite material , crystallography , chemistry , physics , chromatography , engineering
TiO 2 /Poly(methyl methacrylate) (PMMA) bilayered films have been prepared by spin coating technique on the glass substrate. The nanorod‐structured TiO 2 prepared by a coprecipitation method was used. The structure and morphology were tested by X‐ray diffraction (XRD), scanning electron microscopy, and atomic force microscopy (AFM). The optical properties and the anti‐reflection (AR) coating performance were evaluated by UV‐Vis spectrometer. The XRD pattern has shown that the TiO 2 particles have the nanorods structure and the rutile phase. The AFM analysis showed that the layer of TiO 2 nanorods has formed a colloidal crystal with an amorphous structure having a smooth surface. Based on the absorption spectra of a single layer TiO 2 , the optical band gap ( E g ) between 3.65–3.70 eV and the Urbach energy ( E u ) between 204–255 meV can be determined. The maximum transmittance of TiO 2 /PMMA bilayered film at a normal incident light can reach up to 98.5%.