Zobrazeno 1 - 10 of 41 pro vyhledávání: '"Emanuela Pitzalis"'
1
Akademický článek
Exploring the Effect of Sn Addition to Supported Au Nanoparticles on Reducible/Non-Reducible Metal Oxides Supports for Alkane Oxidation
Autor: Marta Stucchi, Alessandro Vomeri, Sándor Stichleutner, Károly Lázár, Emanuela Pitzalis, Claudio Evangelisti, Laura Prati
Publikováno v: Chemistry, Vol 5, Iss 3, Pp 1560-1576 (2023)
Acetone-stabilized Au- and Sn-solvated metal atoms (SMAs) were used as to obtain Au- and AuSn-supported catalysts by simple impregnation on a reducible (TiO2) and a non-reducible (Al2O3) metal-oxide. Their catalytic behaviour was investigated for cyc
Externí odkaz: https://doaj.org/article/3bfd237c01634472b488e1b874d2e529
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2
Akademický článek
The Effect of Activation on the Structure of Biochars Prepared from Wood and from Posidonia Oceanica: A Spectroscopic Study
Autor: Silvia Pizzanelli, Susanna Maisano, Calogero Pinzino, Antonella Manariti, Vitaliano Chiodo, Emanuela Pitzalis, Claudia Forte
Publikováno v: Physchem, Vol 2, Iss 3, Pp 286-304 (2022)
The structure of two biochars and of their activated carbons was investigated by Electron Paramagnetic Resonance, Solid State Nuclear Magnetic Resonance, and Fourier Transform Infrared spectroscopies, together with X-ray diffraction and nitrogen adso
Externí odkaz: https://doaj.org/article/38ed8c4b0fb04291a9603a65faf03593
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3
Akademický článek
Ionic Liquids as Working Fluids for Heat Storage Applications: Decomposition Behavior of N-Butyl-N-methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate
Autor: Francesca Nardelli, Enrico Berretti, Alessandro Lavacchi, Emanuela Pitzalis, Angelo Freni, Silvia Pizzanelli
Publikováno v: Materials, Vol 16, Iss 5, p 1762 (2023)
Ionic liquids (ILs) represent promising working fluids to be used in thermal energy storage (TES) technologies thanks to their peculiar properties, such as low volatility, high chemical stability, and high heat capacity. Here, we studied the thermal
Externí odkaz: https://doaj.org/article/86bfe176acca4cc79a80618380fb846c
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4
Akademický článek
Copper Oxide Nanoparticles over Hierarchical Silica Monoliths for Continuous-Flow Selective Alcoholysis of Styrene Oxide
Autor: Marcello Marelli, Federica Zaccheria, Nicoletta Ravasio, Emanuela Pitzalis, Youcef Didi, Anne Galarneau, Nicola Scotti, Claudio Evangelisti
Publikováno v: Catalysts, Vol 13, Iss 2, p 341 (2023)
A simple and reproducible approach for the synthesis of Cu-based heterogeneous catalysts, named flow chemisorption hydrolysis (flow-CH), is reported. The approach, derived from the CH method, allows size-controlled CuO nanoparticles (mean diameter 2.
Externí odkaz: https://doaj.org/article/75a3b6508fbe40429678e89c6ee7093d
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5
Akademický článek
Polyvinylpyridine-Supported Palladium Nanoparticles: An Efficient Catalyst for Suzuki–Miyaura Coupling Reactions
Autor: Graziano Fusini, Fabio Rizzo, Gaetano Angelici, Emanuela Pitzalis, Claudio Evangelisti, Adriano Carpita
Publikováno v: Catalysts, Vol 10, Iss 3, p 330 (2020)
Palladium nanoparticles (Pd NPs) synthesized by the metal vapor synthesis technique were supported on poly(4-vinylpyridine) 2% cross-linked with divinylbenzene (Pd/PVPy). Transmission electron microscopy revealed the presence of small metal nanoparti
Externí odkaz: https://doaj.org/article/be81da5c75f34631adcd1c69558895a2
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7
From metal vapor to supported single atoms, clusters and nanoparticles: Recent advances to heterogeneous catalysts
Autor: Emanuela Pitzalis, Rinaldo Psaro, Claudio Evangelisti
Publikováno v: Inorganica Chimica Acta (Testo stamp.) 533 (2022): 120782-1–120782-14. doi:10.1016/j.ica.2021.120782
info:cnr-pdr/source/autori:Pitzalis E.; Psaro R.; Evangelisti C./titolo:From metal vapor to supported single atoms, clusters and nanoparticles: Recent advances to heterogeneous catalysts/doi:10.1016%2Fj.ica.2021.120782/rivista:Inorganica Chimica Acta (Testo stamp.)/anno:2022/pagina_da:120782-1/pagina_a:120782-14/intervallo_pagine:120782-1–120782-14/volume:533
The ever-increasing demand for metal catalysts on the global market has encouraged the development of new approaches for the synthesis of highly efficient catalysts. Metal and organometallic vapor-based synthesis methods allow exerting a high control
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::986da09d9caf09f1cd9bdb2fc29022c4
https://doi.org/10.1016/j.ica.2021.120782
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8
Polyvinylpyridine-Supported Palladium Nanoparticles: An Efficient Catalyst for Suzuki–Miyaura Coupling Reactions
Autor: Adriano Carpita, Fabio Rizzo, Gaetano Angelici, Emanuela Pitzalis, Graziano Fusini, Claudio Evangelisti
Publikováno v: Catalysts
Volume 10
Issue 3
Catalysts, Vol 10, Iss 3, p 330 (2020)
Catalysts 10 (2020). doi:10.3390/catal10030330
info:cnr-pdr/source/autori:Fusini G.; Rizzo F.; Angelici G.; Pitzalis E.; Evangelisti C.; Carpita A./titolo:Polyvinylpyridine-supported palladium nanoparticles: An efficient catalyst for Suzuki-Miyaura coupling reactions/doi:10.3390%2Fcatal10030330/rivista:Catalysts/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume:10
Palladium nanoparticles (Pd NPs) synthesized by the metal vapor synthesis technique were supported on poly(4-vinylpyridine) 2% cross-linked with divinylbenzene (Pd/PVPy). Transmission electron microscopy revealed the presence of small metal nanoparti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f47f050dc7e8504186fa9ed3266423fa
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9
Mechanism of action of additives in chemical vapor generation of hydrogen selenide: Iodide and thiocyanate
Autor: Emanuela Pitzalis, Massimo Onor, Roberto Spiniello, Carlos E. M. Braz, Alessandro D'Ulivo
Publikováno v: Spectrochimica acta. Part B, Atomic spectroscopy 145 (2018): 122–131. doi:10.1016/j.sab.2018.04.005
info:cnr-pdr/source/autori:Pitzalis, Emanuela; Onor, Massimo; Spiniello, Roberto; Mendes Braz, Carlos Eduardo; D'Ulivo, Alessandro/titolo:Mechanism of action of additives in chemical vapor generation of hydrogen selenide: Iodide and thiocyanate/doi:10.1016%2Fj.sab.2018.04.005/rivista:Spectrochimica acta. Part B, Atomic spectroscopy/anno:2018/pagina_da:122/pagina_a:131/intervallo_pagine:122–131/volume:145
The chemical vapor generation of H2Se has been investigated in the presence and in the absence of either Nal or NaSCN as additives (0.5 mol L-1), in HCLO4 media (0.1-5.0 mol L-1) and using a low concentration of NaBH4 (0.02 mol L-1). The enhancement
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a3d22f88fb975c52062682a8cdb08f0
https://publications.cnr.it/doc/392510
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10
Insight into the mechanisms controlling the chemical vapor generation of cadmium
Autor: Alessandro D'Ulivo, Marco Carlo Mascherpa, Davide Angelini, Emanuela Pitzalis
Publikováno v: Journal of analytical atomic spectrometry (Online) 33 (2018): 2160–2171. doi:10.1039/c8ja00294k
info:cnr-pdr/source/autori:Emanuela Pitzalis, Davide Angelini, Marco Carlo Mascherpa and Alessandro D'Ulivo/titolo:Insight into the mechanisms controlling the chemical vapor generation of cadmium/doi:10.1039%2Fc8ja00294k/rivista:Journal of analytical atomic spectrometry (Online)/anno:2018/pagina_da:2160/pagina_a:2171/intervallo_pagine:2160–2171/volume:33
Chemical vapor generation of cadmium (CVG) by aqueous NaBH4 was investigated with the aim to individuate the mechanisms controlling the generation of volatile cadmium species in the absence of any additive. A continuous flow reactor was employed in c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bd3bffa75fcf2ac1a7aed9858df0b0d
https://pubs.rsc.org/en/content/articlelanding/2018/JA/C8JA00294K#!divAbstract
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