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首页> 外文期刊>Journal of Applied Polymer Science >Optical and structural properties of (PANI-CSA-PMMA)/NiNPs nanocomposites thin films for organic optical filters
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Optical and structural properties of (PANI-CSA-PMMA)/NiNPs nanocomposites thin films for organic optical filters

机译：（PANI-CSA-PMMA）/ NINPS纳米复合材料的光学和结构性能用于有机光学过滤器的薄膜

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摘要

Synthesized nanocomposite of protonated polyaniline with camphorsulfonic acid (PANI-CSA) hosted in poly(methyl methacrylate) (PMMA) and incorporated with nickel nanoparticles (NiNPs) were coated as thin films on activated fused silica substrates using oxygen-plasma and spin coating techniques. Weight percent ratios of 0, 10, 20, 30, 60, and 90% of NiNPs with respect to PANI-CSA thin films have been studied in order to investigate the optical, structural, and morphological properties of (PANI-CSA-PMMA)/NiNPs by employing UV-Vis spectrometer, XRD, scanning electron microscopy (SEM), contact angle (CA) goniometry, impedance analyzer, and thermogravimetric analysis. Deduced refractive indices (n) from UV-Vis data were in the range from 1.5 up to 2.2. SEM micrographs show the typical crystalline structure of PANI was vanishing gradually with increasing the NiNPs content. Optical properties such as refractive index (n), extinction coefficient (k), absorption coefficient (alpha) as well as the band-gap energies (E-g) were mathematically deduced throughout the experimental transmittance and absorbance UV-Vis spectra. Calculated refractive indices (n) were in the range from 1.5 up to 2.2. Optical band-gap energies decrease in a monoexponential decay for samples up to 60% NiNPs/PANI-CSA, samples with 90% concentration had substantial drop in its value due to the NiNPs percolations. The incorporation with NiNPs leads to the development of a new morphological states (sheet-like heterostructure) which start to be obvious at 30%, at this concentration the CA was maxima (54 degrees), at this concentration and the crystallite size are maximum and the CA was maximum (highest hydrophobicity). (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48643.
机译：用聚（甲基丙烯酸甲酯）（PANMA）载于聚（甲基丙烯酸甲酯）（PANI-CSA）的质子化聚苯胺的合成纳米复合物，并用氧等离子体和旋涂技术涂覆在活性熔融二氧化硅基材上的薄膜作为薄膜。已经研究了相对于Pani-CSA薄膜的0,10,20,30,60和90％的重量百分比，以研究（PANI-CSA-PMMA）的光学，结构和形态学性能/ ninps采用UV-Vis光谱仪，XRD，扫描电子显微镜（SEM），接触角（CA）焦管测量，阻抗分析仪和热重分析。从UV-VIS数据中推断出屈光索引（N）的折射率为1.5至2.2。 SEM显微照片显示PANI的典型晶体结构随着含量的含量逐渐消失。在整个实验透射率和吸光度UV-VIS光谱中，在数学上推导出折射率（N），消光系数（K），吸收系数（α），吸收系数（α）以及带间隙能量（E-G）的光学性质。计算的折射率（n）的折射率为1.5至2.2。光带间隙能量在单缩量衰减中降低，对于高达60％NinPS / PANI-CSA的样品，具有90％浓度的样品由于含有血管而导致的浓度为90％的浓度。掺入肠道的掺入导致开发新的形态学状态（片状异质结构），该形态学态（片状异质结构）在该浓度下，在该浓度下，Ca是最大的（54度），在该浓度下，结晶尺寸最大和晶状体尺寸CA最大（最高疏水性）。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,137,48643。

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