Search Results - "Tapia, Alvin Karlo G."

Temperature Dependence of THz Conductivity in Polyaniline Emeraldine Salt-Polyethylene Pellets by Tapia, Alvin Karlo G., Tominaga, Keisuke

“…Using terahertz time-domain spectroscopy, the frequency-dependent conductivities of polyaniline emeraldine salt-polyethylene (PAni-PE) pellets were measured at…”
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Morphological, electrical and antimicrobial properties of polyaniline-coated paper prepared via a two-pot layer-by-layer technique by Ramos, Ana Rose, Tapia, Alvin Karlo G., Piñol, Chrysline Margus N., Lantican, Nacita B., del Mundo, Ma Lourdes F., Manalo, Ronniel D., Herrera, Marvin U.

“…Polyaniline-coated papers were fabricated using two-pot layer-by-layer technique. The process involved successive dipping in monomer-acid and oxidant…”
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Conducting Properties of Polyaniline in the THz Region: Investigations of Various Processing Conditions by Tapia, Alvin Karlo G., Tominaga, Keisuke

“…The conduction properties of polyaniline (PAni) with various processing conditions were demonstrated using terahertz time-domain spectroscopy. The effects of…”
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Effects of reaction temperatures and reactant concentrations on the antimicrobial characteristics of copper precipitates synthesized using L-ascorbic acid as reducing agent by Ramos, Ana Rose, Tapia, Alvin Karlo G., Piñol, Chrysline Margus N., Lantican, Nacita B., del Mundo, Ma. Lourdes F., Manalo, Ronniel D., Herrera, Marvin U.

“…Copper-based precipitates were synthesized using a straightforward wet chemical reduction method with copper sulfate salts as precursor and L-ascorbic acid as…”
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Conduction in polyaniline emeraldine salt in the terahertz region: A temperature dependence study by Tapia, Alvin Karlo G., Tominaga, Keisuke

“…[Display omitted] •We measured the frequency- and temperature-dependence of conductivity of PAni.•We have shown the Mott–Davis behavior for PAni and…”
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THz time-domain spectroscopy and imaging of heated commercialized rubber by Jusi, Arvin Lester C., Castrosanto, Melvin A., Rocha, Anton John D., Ramoso, John Paolo A., Estacio, Elmer, Tapia, Alvin Karlo G.

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Terahertz conductivity of iron oxide-graphene oxide composite pellet by Nagal, Danell Jeune C., Magsino, Al Jerome A., Castro, Joshua L., Jusi, Arvin Lester C., Aguila, Mae Joanne B., Estacio, Elmer, Tapia, Alvin Karlo G.

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Morphological, optical and AC electrical properties of polyaniline emeraldine salt/poly(vinyl acetate)/coconut shell charcoal sheets by Agcaoili, Ma. Erika Goldamaire F., Tapia, Alvin Karlo G.

“…Carbon-polymer composites are being developed for industrial applications including sensing, electromagnetic shielding and electronics among others. In this…”
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Effects of hydration on the AC electrical properties of bentonite by Jusi, Arvin Lester C., Dalas, Dyl C., Estacio, Elmer, Tapia, Alvin Karlo G.

“…The low frequency conductivity of bentonite was investigated using an impedance analyzer (20 Hz–20 MHz). Pellets of pure bentonite clay were hydrated at…”
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Temperature Dependence of THz Conductivities of Polyaniline Emeraldine Salt/Bentonite Pellets by Tapia, Alvin Karlo G., Lozada, Lou Serafin M., Tominaga, Keisuke

“…The THz conductivities of Polyaniline Emeraldine Salt/Bentonite pellets were studied from 80 K to 290 K. Results show that the conductivities increase with…”
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