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Akademický článek

Significantly enhancement of sunlight photocatalytic performance of ZnO by doping with transition metal oxides

Autor: Alfonso E. Ramírez, Marly Montero-Muñoz, Lizbeth L. López, J. E. Ramos-Ibarra, Jose A. H. Coaquira, Benoît Heinrichs, Carlos A. Páez

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)

Abstract In this study we report, the synthesis of ZnO and its doping with Transition Metal Oxides -TMO-, such as Cr2O3, MnO2, FeO, CoO, NiO, Cu2O and CuO. Various characterization techniques were employed to investigate the structural properties. Th

Externí odkaz: https://doaj.org/article/be55a136b47a4e72be31055d4cdd05d7

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A constitutive framework for steady-state creep in coarse-grained zirconium alloys under irradiation

Autor: J. E. Ramos Nervi, J. W. Signorelli, M. I. Idiart

Publikováno v: Philosophical Magazine. 102:589-617

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3dd4ea1fc37db0437fa0a9ba2c05fdc
https://doi.org/10.1080/14786435.2021.2011979

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Akademický článek

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Significantly enhancement of sunlight photocatalytic performance of ZnO by doping with transition metal oxides

Autor: J E Ramos-Ibarra, Benoît Heinrichs, M. Montero-Muñoz, Lizbeth L. López, Jose A. H. Coaquira, Carlos A. Páez, Alfonso E. Ramírez

Publikováno v: Repositório Institucional da UnB
Universidade de Brasília (UnB)
instacron:UNB
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Scientific Reports

In this study we report, the synthesis of ZnO and its doping with Transition Metal Oxides -TMO-, such as Cr2O3, MnO2, FeO, CoO, NiO, Cu2O and CuO. Various characterization techniques were employed to investigate the structural properties. The X-ray d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4da8753fab1d3d705df09886ef14802b
https://repositorio.unb.br/handle/10482/40922

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Growth and formation mechanism of shape-selective preparation of ZnO structures: correlation of structural, vibrational and optical properties

Autor: G. E. Marques, Jorge E. Rodríguez-Páez, Marcio D. Teodoro, J E Ramos-Ibarra, M. Montero-Muñoz, Jose A. H. Coaquira

Publikováno v: Physical chemistry chemical physics : PCCP. 22(14)

A shape-selective preparation method was used to obtain highly crystalline rod-, needle-, nut-, and doughnut-like ZnO morphologies with distinct particle sizes and surface areas. We study the nucleation and growth mechanism of those structures and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99f97f3716f1e8117c724585634ae15d
https://pubmed.ncbi.nlm.nih.gov/32211632

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Role of defects on the enhancement of the photocatalytic response of ZnO nanostructures

Autor: Alfonso Enrique Ramírez Sanabria, J E Ramos-Ibarra, M. Montero-Muñoz, Jose A. H. Coaquira, Jorge E. Rodríguez-Páez, Carlos A. Páez, Gilmar E. Marques, Benoît Heinrichs, Paola Cristina Cajas, Marcio D. Teodoro

Publikováno v: Applied Surface Science. 448:646-654

Zinc oxide (ZnO) nanostructures have been synthesized by a simple controlled precipitation method to study the effects of the type solvent – including water, acetic acid and ethylene glycol – on the formation of ZnO and on its photocatalytic acti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e0d85da2019382692020d0e01b7fdfb8
https://doi.org/10.1016/j.apsusc.2018.04.105

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Mn-Doping Effects on Structure and Magnetic Properties of ZnO Nanoparticles

Autor: J. E. Ramos, Jose A. H. Coaquira, Jorge E. Rodríguez-Páez, M. Montero-Muñoz

Publikováno v: Journal of Low Temperature Physics. 179:42-47

Magnetic properties of Mn-doped ZnO nanoparticles, synthesized by the co-precipitation method, have been studied. The presence of a single crystalline phase identified as the wurtzite structure was determined by X-ray diffraction measurements inallth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::985d4b87e8ccfc5709280a7a2fa1d97f
https://doi.org/10.1007/s10909-014-1246-x

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Akademický článek

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The soy isoflavone genistein inhibits the reduction in Achilles tendon collagen content induced by ovariectomy in rats

Autor: Janjulia T, Amity Peterson, Chad C. Carroll, Layla Al-Nakkash, M. S. Moore, Brian S. Gump, Tom L. Broderick, J E Ramos

Publikováno v: Scandinavian Journal of Medicine & Science in Sports. 22:e108-e114

The objective of this study was to evaluate effects of genistein and moderate intensity exercise on Achilles tendon collagen and cross-linking in intact and ovariectomized (OVX) female Sprague-Dawley rats. Rats were separated into eight groups (n=9 p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::07b17346ca201ce8808420b8de5e3520
https://doi.org/10.1111/j.1600-0838.2012.01516.x

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The Brazilian Experience in the Use of the Shield Wire line Technology (SWL) for Energy Distribution

Autor: Valdemir Pires, Alexandre Piantini, J. E. Ramos, A. D'Ajuz

Publikováno v: IEEE Latin America Transactions. 7:650-656

This paper presents an analysis of the impact of the lightning overvoltages on the operational performance of the energized shield wire line technology (SWL) implemented in two locations of the State of Rondonia, Brazil. The analysis covers the perio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e5814a2d4e8b62cfcc6b8a8b690413c
https://doi.org/10.1109/tla.2009.5419362

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