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Tuning of refractive index of poly(vinyl alcohol): Effect of embedding Cu and Ag nanoparticles
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10.1063/1.4792473
/content/aip/journal/jap/113/7/10.1063/1.4792473
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792473

Figures

Image of FIG. 1.
FIG. 1.

TEM images of SAED pattern in inset for (a) Cu and (b) Ag nanoparticles.

Image of FIG. 2.
FIG. 2.

Size distribution of (a) Cu and (b) Ag nanoparticles.

Image of FIG. 3.
FIG. 3.

TEM images (scale bar 100 nm) of PVA-Cu nanocomposites at (a) 0.04 wt. %, (b) 0.14 wt. %, and (c) 0.28 wt. % of embedded Cu nanoparticles.

Image of FIG. 4.
FIG. 4.

TEM images (scale bar 100 nm) of PVA-Ag nanocomposites at (a) 0.07 wt. %, (b) 0.12 wt. %, and (c) 0.19 wt. % of embedded Ag nanoparticles.

Image of FIG. 5.
FIG. 5.

Recorded (solid curves) and corrected (dotted curves) UV-visible (a) reflectance and (b) transmittance spectrums for PVA-Cu nanocomposites films at different concentrations.

Image of FIG. 6.
FIG. 6.

Recorded (solid curves) and corrected (dotted curves) UV-visible (a) reflectance and (b) transmittance spectrums for PVA-Ag nanocomposites films at different concentrations.

Image of FIG. 7.
FIG. 7.

RI dispersion with wavelength for (a) PVA-Cu and (b) PVA-Ag nanocomposites films at different concentrations.

Image of FIG. 8.
FIG. 8.

Refractive indices of the (a) PVA-Cu and (b) PVA-Ag nanocomposites at 695.5 nm; solid and dotted lines are theoretical predictions based on Maxwell-Garnett and Lorentz-Lorenz theories, respectively.

Image of FIG. 9.
FIG. 9.

FTIR spectrums for (a) pure PVA, (b) PVA-Cu, and (c) PVA-Ag nanocomposites films.

Tables

Generic image for table
Table I.

The weight % concentration, filling factor, and experimental values of inter-planar spacing with their corresponding standard values and hkl parameters for different PVA-Cu and PVA-Ag nanocomposite samples.

Generic image for table
Table II.

Characteristic infrared absorption bands for pure PVA.

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/content/aip/journal/jap/113/7/10.1063/1.4792473
2013-02-20
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Tuning of refractive index of poly(vinyl alcohol): Effect of embedding Cu and Ag nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/7/10.1063/1.4792473
10.1063/1.4792473
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