Spectroscopic and Electronic Properties of Layer-by-Layer Assembled Gamma-Irradiated Silver/Poly(Acrylic Acid) Nanocomposites

Ken Aldren S. Usman; Lawrence John Paulo L. Trinidad; Leon M. Payawan

doi:10.4028/www.scientific.net/AMR.1098.19

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1098Spectroscopic and Electronic Properties of...

Spectroscopic and Electronic Properties of Layer-by-Layer Assembled Gamma-Irradiated Silver/Poly(Acrylic Acid) Nanocomposites

Abstract:

Layer-by-layer (L-b-L) assembly is a simple method that is useful in immobilizing nanomaterials into thin films. However, the retention of the optical and photogalvanic property of the nanoparticles and the functionalization of these materials are the common issues raised regarding this technique. In this study, L-b-L thin films were prepared from γ-radiation reduced,silver/poly (acrylic acid) nanocomposites (Ag/PAA). Negatively surface charged nanocomposites were immobilized on different silica surfaces, namely quartz, Indium Tin Oxide-modified glass and ordinary glass. Characterization of the solution and bound form of the nanocomposites were done to evaluate the retention of their novel properties. The size distribution of the solution-phased Ag/PAA was assessed using dynamic light scattering (DLS). The surface morphology, spectroscopic and electronic properties of the multilayer films were characterized using atomic force microscopy (AFM), scanning electron microscopy (SEM), UV-vis spectroscopy, surface plasmon resonance (SPR) and cyclic voltammetry (CV).

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Periodical:

Advanced Materials Research (Volume 1098)

Pages:

19-24

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1098.19

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Online since:

April 2015

Authors:

Ken Aldren S. Usman*, Lawrence John Paulo L. Trinidad, Leon M. Payawan

Keywords:

Cyclic Voltammetry, Gamma Irradiation, Layer-by-Layer Assembly, Silver/Poly(Acrylic Acid), Surface Plasmon Resonance

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