Výsledky vyhledávání - "Georgia Velegraki"

Boosting photochemical activity by Ni doping of mesoporous CoO nanoparticle assemblies

Autor: Ioannis Vamvasakis, Gerasimos S. Armatas, Georgia Velegraki, Stelios A. Choulis, Stella Kennou, Ioannis T. Papadas, Georgios Kopidakis, Sotiris Tsatsos, Anastasia Pournara, Manolis J. Manos

Publikováno v: Inorganic Chemistry Frontiers. 6:765-774

The rational design of semiconductor nanostructures is of utmost importance for efficient solar energy conversion and environmental remediation. In this article, we report high-surface-area mesoporous networks consisting of Ni-implanted cubic CoO (Co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e348b0eb9f040ca45b691134f9d0e8f6
https://doi.org/10.1039/c8qi01324a

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Mesoporous Copper Nanoparticle Networks Decorated by Graphite Layers for Surface-Enhanced Raman Scattering Detection of Trace Analytes

Autor: Gerasimos S. Armatas, Jian Xie, Georgia Velegraki, Qichun Zhang

Publikováno v: ChemPlusChem. 82:1290-1297

Assembling 3D nanoscale structures of plasmonic nanoparticles (NPs) holds great promise for achieving enhanced optical and electronic properties. This type of materials exhibits a large number of surface hot spots, while offer the possibility for syn

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70aa27b8f059924fe4f065de48dced0b
https://doi.org/10.1002/cplu.201700404

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Fabrication of 3D mesoporous networks of assembled CoO nanoparticles for efficient photocatalytic reduction of aqueous Cr(VI)

Autor: Charalampos Drivas, Jianwei Miao, Georgia Velegraki, Gerasimos S. Armatas, Stella Kennou, Bin Liu

Synthesis of high-performance and cyclic stable photocatalysts has been remaining a significant challenge. In this work, we report the synthesis of high-surface-area mesoporous networks of CoO NPs through a polymer-templating self-assembly method and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8510fdbf0b2b090c93f66f0c68e44bdb
https://hdl.handle.net/10356/138367

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Aryl-substituted cyclopropyl acetylenes as sensitive mechanistic probes in the gold-catalyzed hydration of alkynes. Comparison to the Ag(I)-, Hg(II)-, and Fe(III)-catalyzed processes

Autor: Georgia Velegraki, Manolis Stratakis

Publikováno v: The Journal of organic chemistry. 78(17)

The gold-catalyzed hydration of 2-phenyl- or 2,2-diphenylcyclopropyl acetylene, sensitive probes to trace the formation of vinyl carbocations, provides exclusively the corresponding cyclopropyl methyl ketones. On the other hand, in the Ag(I)- or Fe(I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81963f96381677d75be6895ddcc65507
https://pubmed.ncbi.nlm.nih.gov/23889103

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