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Artículo

Directional Water Collection in Nanopore Networks

Gimenez, Rocio AldanaIcon ; Bellino, Martin GonzaloIcon ; Berli, Claudio Luis AlbertoIcon
Fecha de publicación: 11/2018
Editorial: American Chemical Society
Revista: ACS Omega
ISSN: 2470-1343
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Nano-materiales

Resumen

The development of artificial nanosystems that mimic directional water-collecting ability of evolved biological surfaces is eagerly awaited. Here we report a new type of addressable water collection that is induced by coupling both vapor gradients, like a road drawn, and the temperature-tuned condensation in nanopores as step signals. What distinguishes the motion described here from the motions reported earlier is the fact that neither bulk liquid infiltration nor displacement of droplet is required. Instead, the motion results from a scanned water capture because of the temperature-dependent condensation command acting on the vapor pressure gradient track originated by a droplet without a bulk fluidic connection with a mesoporous film. This novel working principle demands only a small-range surface temperature control, which was entirely generated by a thermoelectric cell integrated to the mesoporous substrates. The strategy opens the route to achieving precise control over wetting location (from a few to hundreds of micrometers) and hence over the direction of water collected by these widely employed nanomaterials. Furthermore, as water is collected from condensation into the pores, the system naturally involves purification and subsequent delivery of clean water, which provides an added value to the proposed strategy.
Palabras clave: Water Collection , Mesoporous , NanoPurification , Patterning
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/86807
URL: http://pubs.acs.org/doi/10.1021/acsomega.8b02376
DOI: http://dx.doi.org/10.1021/acsomega.8b02376
Colecciones
Articulos(INTEC)
Articulos de INST.DE DES.TECNOL.PARA LA IND.QUIMICA (I)
Articulos(OCA CIUDAD UNIVERSITARIA)
Articulos de OFICINA DE COORDINACION ADMINISTRATIVA CIUDAD UNIVERSITARIA
Articulos(UE-INN)
Articulos de UNIDAD EJECUTORA INSTITUTO DE NANOCIENCIA Y NANOTECNOLOGIA
Citación
Gimenez, Rocio Aldana; Bellino, Martin Gonzalo; Berli, Claudio Luis Alberto; Directional Water Collection in Nanopore Networks; American Chemical Society; ACS Omega; 3; 11; 11-2018; 16040-16045
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