Armida Villas Gillado

Armida Villas Gillado
University of the Philippines Los Baños | UPLB · Institute of Mathematical Sciences and Physics

Master of Science

About

7
Publications
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Introduction

Publications

Publications (7)
Article
In this study, acid-doped polyaniline-zinc oxide composites were prepared and used to investigate their effect on the removal of methyl orange dye under visible light exposure. The composites were prepared by mixing different volume fractions of polyaniline and ZnO powders. Their effect on the removal of methyl orange was determined through transmi...
Article
Acetate films were coated with polyaniline molecules using the successive ionic layer adsorption and reaction (SILAR) method. In this method, polyaniline molecules are synthesized as they are being coated on the acetate film. Fourier transform infrared (FTIR) spectroscopy shows the existence of molecular vibrations attributed to the presence of pol...
Article
In this study, copper sulfate was successfully embedded in filter paper through soaking and copper oxide was successfully embedded in filter paper via in situ technique using the copper sulfate-embedded paper as the starting material. Using color analysis, the filter paper soaked with copper sulfate solution was observed to change color from white...
Article
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Polyaniline molecules are embedded on adhesive tape using successive ionic layer adsorption and reaction (SILAR) technique. The infrared spectrum shows the existence of molecular vibrational modes associated with the presence of polyaniline molecules on the sample. With the addition of polyaniline molecules, the conductivity of adhesive tape increa...
Article
Polymer-oxide semiconductor exhibits a promising application on electronic devices. In this study, zinc oxide-polyaniline (ZnO-PAni) junctions were constructed which showed a photodiode-like behavior. The junctions were built through connecting the electrodeposited zinc oxide to electrodeposited HCl-doped polyaniline. Without illumination, the junc...
Article
High voltage electrodeposition technique was successfully employed in coating a low conductive glass. The technique involved the use of constant input voltage (e.g., 2000V) to coat the soda-lime glass electrode. Dissolved copper sulfate pentahydrate in sulfuric acid-water solution served as the electrolyte in the deposition process. The surface con...

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