Multi-Light-Responsive Quantum Dot Sensitized Hybrid Micromotors with Dual-Mode Propulsion

María Hormigos, Roberto, Jurado Sánchez, Beatriz y Escarpa, Alberto . (2019) Multi-Light-Responsive Quantum Dot Sensitized Hybrid Micromotors with Dual-Mode Propulsion. Angewandte Chemie International Edition; Volumen: 58 (10); Año: 2019; Páginas: 3128-3132

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Título Multi-Light-Responsive Quantum Dot Sensitized Hybrid Micromotors with Dual-Mode Propulsion
Autor(es) María Hormigos, Roberto
Jurado Sánchez, Beatriz
Escarpa, Alberto
Materia(s) Ciencias
Abstract CdS quantum dots/C60 tubular micromotors with chemical/multi-light-controlled propulsion and “on-the-fly” acceleration capabilities are described. In situ growth of CdS quantum dots on the outer fullerene layer imparts this layer with light-responsive properties in connection to inner Pt, Pd or MnO2 layers. This is the first time that visible light is used to drive bubble-propelled tubular micromotors. The micromotors exhibit a broad absorption range from 320 to 670 nm and can be wirelessly controlled by modulating light intensity and peroxide concentration. The built-in accelerating optical system allows for the control of the velocity over the entire UV/Vis light spectra by modulating the catalyst surface chemistry. The light-responsive properties have been also exploited to accelerate the chemical dealloying and propulsion of micromotors containing a Cu/Pd layer. Such dual operated hybrid micromotors hold considerable promise for designing smart micromachines for on-demand operations, motion- based sensing, and enhanced cargo transportation.
Editor(es) Wiley Online Library
Fecha 2019
Formato application/pdf
Identificador bibliuned:DptoCA-FCIE-Articulos-Rmaria-0004
http://e-spacio.uned.es/fez/view/bibliuned:DptoCA-FCIE-Articulos-Rmaria-0004
DOI - identifier https://doi.org/10.1002/anie.201811050
ISSN - identifier 0570-0833
Nombre de la revista Angewandte Chemie International Edition
Número de Volumen 58
Número de Issue 10
Página inicial 3128
Página final 3132
Publicado en la Revista Angewandte Chemie International Edition; Volumen: 58 (10); Año: 2019; Páginas: 3128-3132
Idioma eng
Versión de la publicación publishedVersion
Tipo de recurso Article
Notas adicionales The registered version of this article, first published in Angewandte Chemie International Edition, is available online at the publisher's website: Wiley Online Library, https://doi.org/10.1002/anie.201811050
Notas adicionales La versión registrada de este artículo, publicado por primera vez en Angewandte Chemie International Edition, está disponible en línea en el sitio web del editor: Wiley Online Library, https://doi.org/10.1002/anie.201811050

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Creado: Wed, 24 Jan 2024, 20:46:10 CET