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617 0 |
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66+621.38+544 (1) |
Tehnologie chimică. Industrii chimice și înrudite (1500) |
Electrotehnică (1153) |
Chimie fizică (496) |
SM ISO690:2012 PLEŞCO (JIN), Irina, BRANISTE, Tudor, WOLFF, Niklas, GORCEAC, Leonid, DUPPEL, Viola, CINIC, Boris, MISHRA, Yogendra Kumar, SARUA, Andrei, ADELUNG, Rainer, KIENLE, Lorenz, TIGINYANU, Ion. Aero-ZnS architectures with dual hydrophilic-hydrophobic properties for microfluidic applications. In: International Journal of Oral and Maxillofacial Implants, 2020, nr. 2(35), p. 0. ISSN -. DOI: https://doi.org/10.1063/5.0010222 |
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International Journal of Oral and Maxillofacial Implants | |
Numărul 2(35) / 2020 / ISSN - /ISSNe 0882-2786 | |
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DOI:https://doi.org/10.1063/5.0010222 | |
CZU: 66+621.38+544 | |
Pag. 0-0 | |
Rezumat | |
Here, we report on a new aero-material, called aero-ZnS, representing self-organized architectures made of ZnS hollow micro-tetrapod structures with nanoscale thin walls. The fabrication process is based on the hydride vapor phase epitaxy of CdS on sacrificial micro-tetrapods of ZnO with simultaneous or subsequent transformation of CdS into ZnS and removal of the sacrificial ZnO crystals. The nanostructure of the obtained ZnS hollow micro-tetrapods exhibits the polytypic intergrowth of wurtzite- and sphalerite-type phases perpendicular to their close packed planes. The inner surface of the micro-tetrapod walls preserves oxygen sites, as demonstrated by imaging based on electron energy-loss filtering. The self-organized aero-ZnS architecture proves to be hydrophilic under tension and hydrophobic when compressed against water. Self-propelled liquid marbles assembled using ZnS hollow micro-tetrapod structures are demonstrated. |
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Cuvinte-cheie Cadmium Sulfide, Electron energy levels, Energy issipation, Hydrophilicity, Hydrophobicity, II-VI semiconductors, Oxide minerals, zinc oxide, Zinc sulfide |
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