2017
DOI: 10.1088/2053-1591/aa8cff
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Effect of copper doping sol-gel ZnO thin films: physical properties and sensitivity to ethanol vapor

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Cited by 10 publications
(5 citation statements)
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“…With the increase in CuCrO 2 amount, both chromium and copper ions might have diffused into ZnO, but amount of diffused chromium might be relatively higher than that of the copper. Although there are contradictory results presented in the literature on the effect of Cr doping on the optical properties of ZnO, in many recent study it was shown that Cr incorporation promotes blue shift, contrary to the Cu incorporation, in the absorption edge of ZnO [58,59]. Thus, the shift in the wavelength edge for the current study probably depends on the relative amount of Cr 3+ /Cu + incorporation into ZnO host lattice.…”
Section: Optical Properties Of Zno-cucrocontrasting
confidence: 50%
“…With the increase in CuCrO 2 amount, both chromium and copper ions might have diffused into ZnO, but amount of diffused chromium might be relatively higher than that of the copper. Although there are contradictory results presented in the literature on the effect of Cr doping on the optical properties of ZnO, in many recent study it was shown that Cr incorporation promotes blue shift, contrary to the Cu incorporation, in the absorption edge of ZnO [58,59]. Thus, the shift in the wavelength edge for the current study probably depends on the relative amount of Cr 3+ /Cu + incorporation into ZnO host lattice.…”
Section: Optical Properties Of Zno-cucrocontrasting
confidence: 50%
“…En la Tabla 2, se enlistan los datos encontrados de los parámetros de red de "a" y "c" de las películas de ZnO y ZnO-Cu, la distancia interplanar de los planos de difracción (100) y (002), el tamaño de cristal D y el valor en grados del FWHM del pico (101) y (100) para las películas a 500 °C y 400 °C, respectivamente. En los resultados de la Tabla 2, se nota la disminución en el tamaño de cristal en las películas de ZnO con mayor temperatura de sinterizado y en las películas de ZnO-Cu [16]. El tamaño de cristal se reduce de 31,95 a 24,67 nm en las películas sinterizadas a 500 ⁰C debido a que en esta temperatura se generan sitios de nucleación que promueven el crecimiento nanométrico de partículas, donde se propicia la formación de cris-tales más pequeños [17].…”
Section: Resultsunclassified
“…where the dopant provides additional shallow acceptor levels, 88,89 as a larger decrease would be expected for 5% doping. 90 It is possible that some of the CuMes is also reduced to Cu(0), rather than doping the ZnO. It was previously reported that CuMes reacts with diethylzinc to produce Cu(0) nanoparticles.…”
Section: Resultsmentioning
confidence: 99%