Search Results - "Espinoza, Darío"

Dual role of Y1.86WO6(Eu0.14)3+ phosphor compound to improve the efficiency of dye-sensitized solar cells by Ramkumar, Sekar, Llanos, Jaime, Espinoza, Darío, Manidurai, Paulraj

“…Rare earth doped metal tungstate (Y1.86WO6: (Eu0.14)3+) of submicron sized particles were prepared via low-temperature combustion method. This was later used…”
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The development of Au-titania photoanode composites toward semiflexible dye-sensitized solar cells by Castillo-Rodriguez, Judith, Ortiz, Pedro D., Mahmood, Reeda, Gossage, Robert A., Llanos, Jaime, Espinoza, Darío, Zarate, Ximena, Koivisto, Bryan D., Schott, Eduardo

“…•Gold nanoparticles increase the efficiency over pristine titania nanoparticles.•Low thermal treatments of semiconductor composites is promising.•New methods…”
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Evaluación de la contaminación urbana por emisiones sonoras registradas con sonómetro y nodos sensores by Martínez Gavilanes, Julia, Delgado Inga, Omar, Vanegas Galindo, Ismael, Espinoza Saquicela, Darío, Salgado Castillo, Francisco

“…The increase in noise emissions is associated with an increase in the population, with anthropic activities, and it is in urban centers where a series of…”
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Enhancing c-Si Solar Cell Efficiency in the UV Region: Photophysical Insights into the Use of Eu3+ Complexes for Down-Shifting Layer Applications by Vargas, Fabian, Nelson, Ronald, Espinoza, Dario, Brito, Ivan, Sánchez-Muñoz, Laura, Alemany, Pere, Ortiz, Sergio, Ferrada, Pablo, Mestra, Alifhers, Llanos, Jaime

“…[Eu(3DPIQC)3] (where DPIQC = 3-(diphenyl phosphoryl)-1-isoquinolinecarboxylate), a luminescent europium complex with antenna ligands, has been carefully…”
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Soil Characterization and Soiling Impact to Facilitate Photovoltaic Installation by Olivares, Douglas, Taquichiri, Abel, Ferrada, Pablo, Marzo, Aitor, Henríquez, Mauro, Espinoza, Darío, Fuentealba, Edward, Llanos, Jaime

“…There is currently an energy crisis that has led to photovoltaic operators maximizing their resources, making soiling a problem to consider in order to ensure…”
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A flipped classroom experience in the context of a pandemic: Cooperative learning as a strategy for meaningful student learning by Fernández-Ferrer, Maite, Espinoza Pizarro, Dario

“…Through an initial documentary analysis of the flipped classroom in the context of a pandemic and of the new pedagogical models based on active methodologies…”
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Competencias profesionales en la carrera Mecánica Automotriz , respuesta a las demandas del mercado laboral by Sirpa Espinoza, Rubén Darío

“…In this work, the generic and specific skills required by the labor market for graduates in Automotive Mechanics are determined. It was framed in a…”
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Synthesis, Characterization, and Photoelectric and Electrochemical Behavior of (CH3NH3)2Zn1-xCoxBr4 Perovskites by Navarro, Natalí, Núñez, Claudia, Espinoza, Darío, Gallardo, Karem, Brito, Ivan, Castillo, Rodrigo

“…We report the synthesis, characterization, and photoelectric and electrochemical properties of (CH3NH3)2Zn1-xCoxBr4 (x = 0.0, 0.3, 0.5, 0.7, and 1.0) samples…”
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Synthesis, Characterization, and Photoelectric and Electrochemical Behavior of (CH3NH3)2Zn1–x Co x Br4 Perovskites by Navarro, Natalí, Núñez, Claudia, Espinoza, Darío, Gallardo, Karem, Brito, Ivan, Castillo, Rodrigo

“…We report the synthesis, characterization, and photoelectric and electrochemical properties of (CH3NH3)2Zn1–x Co x Br4 (x = 0.0, 0.3, 0.5, 0.7, and 1.0)…”
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Synthesis, Characterization, and Photoelectric and Electrochemical Behavior of (CH 3 NH 3 ) 2 Zn 1– x Co x Br 4 Perovskites by Navarro, Natalí, Núñez, Claudia, Espinoza, Darío, Gallardo, Karem, Brito, Ivan, Castillo, Rodrigo

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Synthesis, crystal structure, Hirshfeld surface analysis, thermal, luminescent properties, and computational studies of the new triazole derivative 1-(5-methyl-1-(pyridin-2-ylmethyl)-1H-1,2,3-triazol-4-yl)ethan-1-one by Hernández, Benjamín, Narea, Pilar, Espinoza, Darío, Cárdenas, Alejandro, Brito, Iván, Delgado, Gerzon E., Cisterna, Jonathan

“…•Novel triazole ketone compound was synthetized and fully spectroscopically characterized.•3D molecular and crystal structure with tri-dimensional aggregates…”
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Speciation and bioaccessibility of mercury in adobe bricks and dirt floors in Huancavelica, Peru by Hagan, Nicole, Robins, Nicholas, Gonzales, Ruben Dario Espinoza, Hsu-Kim, Heileen

“…Huancavelica, Peru, a historic cinnabar refining site, is one of the most mercury (Hg)-contaminated urban areas in the world. Exposure is amplified because…”
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Residential mercury contamination in adobe brick homes in Huancavelica, Peru by Hagan, Nicole, Robins, Nicholas, Hsu-Kim, Heileen, Halabi, Susan, Espinoza Gonzales, Ruben Dario, Richter, Daniel deB, Vandenberg, John

“…This is the first study of adobe brick contamination anywhere in the world. Huancavelica, Peru is the site of historic cinnabar refining and one of the most…”
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Novel Zn(II) and Cd(II) coordination polymers derived from 1,2,3-triazole-1,3-diketone ligand. Syntheses and structural, thermal, computational, and luminescent studies by Hernández, Benjamin, Narea, Pilar, Espinoza, Darío, Navarrete, Angelica, Aguirre, Gerardo, Delgado, Gerzon E., Cárdenas, Alejandro, Brito, Iván, Cisterna, Jonathan

“…This article discloses the syntheses of two novel coordination polymers of Zn(II) and Cd(II) using a donor-functionalized 1,2,3-triazole-β-diketonato ligand,…”
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The Analyses of Luminescent Properties and Structure of the Tetragonal Phase of Y 2 WO 6 :Eu 3+ doped Phosphor by Castillo, Rodrigo, Espinoza, Darío, Conejeros, Sergio, Llanos, Jaime

“…The structural, electronic and luminescent properties of the tetragonal phase of Y 2 WO 6 phosphors doped with different amounts of Eu 3+ have been studied…”
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The Analyses of Luminescent Properties and Structure of the Tetragonal Phase of Y2WO6:Eu3+ doped Phosphor by Castillo, Rodrigo, Espinoza, Darío, Conejeros, Sergio, Llanos, Jaime

“…The structural, electronic and luminescent properties of the tetragonal phase of Y2WO6 phosphors doped with different amounts of Eu3+ have been studied. All…”
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Dual role of Y^sub 1.86^WO^sub 6^(Eu^sub 0.14^)^sup 3+^ phosphor compound to improve the efficiency of dye-sensitized solar cells by Ramkumar, Sekar, Llanos, Jaime, Espinoza, Darío, Manidurai, Paulraj

“…Rare earth doped metal tungstate (Y1.86WO6: (Eu0.14)3+) of submicron sized particles were prepared via low-temperature combustion method. This was later used…”
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EVALUATION OF URBAN POLLUTION BY NOISE EMISSIONS REGISTERED WITH A SOUND LEVEL METER AND SENSOR NODES by Gavilanes, Julia Martínez, Inga, Omar Delgado, Galindo, Ismael Vanegas, Saquicela, Darío Espinoza, Castillo, Francisco Salgado

“…El incremento de las emisiones sonoras se asocia a la actividad antrópica y es el centro urbano en donde se presentan afectaciones a la población y al entorno…”
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Synthesis and luminescent properties of two different Y2WO6:Eu3+ phosphor phases by Llanos, Jaime, Olivares, Douglas, Manríquez, Víctor, Espinoza, Darío, Brito, Ivan

“…•Synthesis of two phases Y2−xEuxWO6. One of them crystallizes as Aurivillius phase.•Optical properties of the phosphors Y2WO6:Eu3+ (monoclinic and orthorhombic…”
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Red-emitting Ln2-xEuxTe2O6:RE (Ln = La, Y; RE=Sm3+, Gd3+) phosphors prepared by the Pechini sol-gel method by LLANOS, Jaime, CASTILLO, Rodrigo, ESPINOZA, Darío, OLIVARES, Rina, BRITO, Ivan

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