2022
DOI: 10.1016/j.matpr.2020.06.527
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Improved solar light responsive photocatalytic activity of ZnO:W films: Effect of W loading level

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Cited by 5 publications
(6 citation statements)
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“…The reactants used were chlorides and sulphates; hence, the unsolicited peaks attributed to Cl, S and Mn were also experiential, thus corresponding to impurities present within the sample. The high-weight oxygen peak in the spectrum was also observed and belonged to environmental oxygen in the scanned sample [55].…”
Section: Sem and Eds Analysismentioning
confidence: 85%
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“…The reactants used were chlorides and sulphates; hence, the unsolicited peaks attributed to Cl, S and Mn were also experiential, thus corresponding to impurities present within the sample. The high-weight oxygen peak in the spectrum was also observed and belonged to environmental oxygen in the scanned sample [55].…”
Section: Sem and Eds Analysismentioning
confidence: 85%
“…The degradation efficiency of g-C 3 N 4 /ZnO-W/Co x follows the order g-C 3 N 4 /ZnO-W/Co (0.010) > g-C 3 N 4 /ZnO-W/Co (0.009) > g-C 3 N 4 /ZnO-W/Co (0.007) > g-C 3 N 4 /ZnO-W/Co (0.005) > g-C 3 N 4/ ZnO-W/Co (0.003) > g-C 3 N 4 /ZnO-W/Co (0.001) with 90 %, 87 %, 85 %, 82 %, 78 % and 75 %, respectively, under the irradiation time of 90 min. It is observed that the degradation efficiency of g-C 3 N 4 /ZnO-W/Co (0.010) is higher as compared to other composites, thus revealing that an increased concentration of dopant metal increases the surface barrier resulting in a narrower charge region [55]. Consequently, this suppresses the electron-hole pair recombination and the enhancement in degradation activity.…”
Section: Photocatalytic Activitymentioning
confidence: 95%
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“…El dopaje del ZnO ya sea con rodio, tungsteno o ambos iones disminuyó la intensidad de los picos de emisión, lo cual podría estar atribuido a la disminución de la recombinación de los portadores de carga fotogenerados. Además, defectos intersticiales de Zn y vacancias de Zn/oxígeno mejoran las propiedades fotocatalíticas del ZnO [129,136], ya que estos pueden actuar como trampas para los pares electrón-hueco, disminuyendo el proceso de recombinación.…”
Section: Propiedades óPticasunclassified
“…El dopaje del ZnO con rodio y tungsteno incrementa la densidad de carga del ZnO debido a la sustitución de iones Zn 2+ por iones W 6+ y/o Rh 3+ , lo cual fue confirmado mediante el desplazamiento en los picos de difracción de DRX. Este incremento en los portadores de carga conlleva a una mayor eficiencia fotocatalítica del ZnO para la degradación de colorantes [136].…”
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