Now showing items 1-15 of 15

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      A Full Vacuum Approach for the Fabrication of Hybrid White-Light-Emitting Thin Films and Wide-Range In Situ Tunable Luminescent Microcavities  [Article]

      Oulad Zian, Youssef; Sánchez Valencia, Juan Ramón; Oliva Ramírez, Manuel; Parra Barranco, Julián; Alcaire Martín, María; Aparicio Rebollo, Francisco Javier; Mora Boza, Ana; Espinós Manzorro, Juan Pedro; Yubero Valencia, Francisco; Rodríguez González-Elipe, Agustín; Barranco Quero, Ángel; Borrás Martos, Ana Isabel (Wiley-VCH, 2016)
      This study shows the fabrication by a dry approach at mild temperature (<150 °C) of a photoluminescence white light emitting hybrid layer. The white light emitter is obtained by evaporation of two photoluminescent small ...
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      Active vacuum brazing of CNT films to metal substrates for superior electron field emission performance  [Article]

      Longtin, Rémi; Sánchez Valencia, Juan Ramón; Shorubalko, Ivan; Furrer, Roman; Hack, Erwin; Elsener, Hansrudolf; Gröning, Oliver; Greenwood, Paul; Rupesinghe, Nalin; Teo, Kenneth; Leinenbach, Christian; Gröning, Pierangelo (Institute of Physics Publishing, 2015)
      The joining of macroscopic films of vertically aligned multiwalled carbon nanotubes (CNTs) to titanium substrates is demonstrated by active vacuum brazing at 820 °C with a Ag–Cu–Ti alloy and at 880 °C with a Cu–Sn–Ti–Zr ...
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      Controlled synthesis of single-chirality carbon nanotubes  [Article]

      Sánchez Valencia, Juan Ramón; Dienel, Thomas; Gröning, Oliver; Shorubalko, Ivan; Mueller, Andreas; Jansen, Martin; Amsharov, Konstantin; Ruffieux, Pascal; Fasel, Roman (Springer Nature Publishing AG, 2014)
      Over the past two decades, single-walled carbon nanotubes (SWCNTs) have received much attention because their extraordinary properties are promising for numerous applications. Many of these properties depend sensitively ...
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      Low temperature plasma processing of platinum porphyrins for the development of metal nanostructured layers  [Article]

      Filippin, A. Nicolas; Sánchez Valencia, Juan Ramón; Idígoras, Manuel Jesús; Macías Montero, Manuel Jesús; Alcaire Martín, María; Aparicio Martínez, Javier; López Santos, Carmen; Frutos Rayego, Fabián; Barranco Quero, Ángel; Anta Montalvo, Juan Antonio; Borrás Martos, Ana Isabel; Espinós Manzorro, Juan Pedro (Wiley, 2017)
      This article establishes the bases for a vacuum and plasma supported methodology for the fabrication at mild temperatures of nanostructured platinum in the form of porous layers and nanocolumns using platinum octaethylporphyrin ...
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      Low-Temperature Plasma Processing of Platinum Porphyrins for the Development of Metal Nanostructured Layers  [Article]

      Filippin, A. Nicolas; Sánchez Valencia, Juan Ramón; Idígoras, Jesús; Macías Montero, Manuel Jesús; Alcaire Martín, María; Aparicio Rebollo, Francisco Javier; Espinós Manzorro, Juan Pedro; López Santos, Carmen; Frutos Rayego, Fabián; Barranco Quero, Ángel; Anta, Juan A.; Borrás Martos, Ana Isabel (Wiley-VCH, 2017)
      This article establishes the bases for a vacuum and plasma supported methodology for the fabrication at mild temperatures of nanostructured platinum in the form of porous layers and nanocolumns using platinum octaethylporphyrin ...
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      One-reactor plasma assisted fabrication of ZnO@TiO2 multishell nanotubes: assessing the impact of a full coverage on the photovoltaic performance  [Article]

      Filippin, A. Nicolas; Macías Montero, Manuel Jesús; Saghi, Zineb; Idígoras, Manuel Jesús; Sánchez Valencia, Juan Ramón; Barranco Quero, Ángel; Migdley, Paul.A; Anta Montalvo, Juan Antonio; Borrás Martos, Ana Isabel (Nature Publishing Group, 2017)
      This paper addresses the fabrication of vertically aligned ZnO@TiO2 multishell nanotubes by a combined full vacuum-plasma approach at mild temperatures. The growth is carried out within the premises of a one-reactor approach, ...
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      Optical gas sensing of ammonia and amines based on protonated porphyrin/TiO2 composite thin films  [Article]

      Castillero Durán, Pedro; Roales, Javier; Lopes da Costa, Tania Isabel; Sánchez Valencia, Juan Ramón; Barranco Quero, Ángel; Rodríguez González-Elipe, Agustín; Pedrosa, José María (Multidisciplinary Digital Publishing Institute (MDPI), 2017)
      Open porous and transparent microcolumnar structures of TiO2 prepared by physical vapour deposition in glancing angle configuration (GLAD-PVD) have been used as host matrices for two different fluorescent cationic ...
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      Plasma assisted deposition of single and multistacked TiO2 hierarchical nanotubes photoanodes  [Article]

      Sánchez Valencia, Juan Ramón; Idígoras, Manuel Jesús; Filippin, A. Nicolas; Rojas Ruiz, Teresa Cristina; Barranco Quero, Ángel; Anta, A; Borras Martos, Ana (Royal Society of Chemistry, 2017)
      We present herein an evolved methodology for the growth of nanocrystalline hierarchical nanotubes combining physical vapor deposition of organic nanowires (ONWs) and plasma enhanced chemical vacuum deposition of anatase ...
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      Plasma Assisted Oblique Angle Deposition of Transparent and Conductive in- Plane Anisotropic ITO Thin Films  [Article]

      Parra Barranco, Julián; Sánchez Valencia, Juan Ramón; García García, Francisco Javier; López Santos, Carmen; Gónzales Elipe, Agustín R; Aparicio Rebollo, Francisco Javier; Rico Gavira, Víctor Joaquín; Barranco Quero, Ángel; Ferrer Fernández, Francisco Javier; Borrás Martos, Ana Isabel (Electrochemical Society, 2017)
      Oblique angle deposition (OAD) is a powerful technique for the fabrication of porous nanostructured oxide thin films. OAD films typically present a columnar tilted nanostructure due to geometrical shadowing effects during ...
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      Plasma Assisted Oblique Angle Deposition of Transparent and Conductive in-Plane Anisotropic ITO Thin Films  [Article]

      Parra Barranco, Julián; Sánchez Valencia, Juan Ramón; Aparicio Rebollo, Francisco Javier; Ferrer Fernández, Francisco Javier; García García, Francisco; Rico Gavira, Víctor Joaquín; López Santos, Carmen; Borrás Martos, Ana Isabel; Rodríguez González-Elipe, Agustín; Barranco Quero, Ángel (Electrochemical Society, 2017)
      Oblique angle deposition (OAD) is a powerful technique for the fabrication of porous nanostructured oxide thin films. OAD films typically present a columnar tilted nanostructure due to geometrical shadowing effects during ...
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      Preparation and Optimization of Fluorescent Thin Films of Rosamine-SiO2/TiO2 Composites for NO2 Sensing  [Article]

      Barranco Quero, Ángel; Sánchez Valencia, Juan Ramón; Gámez, Francisco; Suárez, Belén; Queirós, Carla (MDPI, 2017)
      The incorporation of a prototypical rosamine fluorescent dye from organic solutions into transparent and microstructured columnar TiO2 and SiO2 (MO2) thin films, prepared by evaporation at glancing angles (GAPVD), was ...
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      Selective Dichroic Patterning by Nanosecond Laser Treatment of Ag Nanostripes  [Article]

      Sánchez Valencia, Juan Ramón; Toudert, Johann; Borrás Martos, Ana Isabel; Barranco Quero, Ángel; Lahoz, Ruth; Fuente, Germán F de la; Frutos Rayego, Fabián; González-Elipe, Agustín R. (Wiley-VCH Verlag, 2011)
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      Superhydrophobic supported Ag-NPs@ZnO-nanorods with photoactivity in the visible range  [Article]

      Macías Montero, Manuel Jesús; Borrás Martos, Ana Isabel; Romero Gómez, Pablo; Sánchez Valencia, Juan Ramón; Barranco Quero, Ángel; Midgley, Paul A.; Cotrino Bautista, José; Rodríguez González-Elipe, Agustín (Royal Society of Chemistry (Great Britain), 2012)
      In this article we present a new type of 1D nanostructures consisting of supported hollow ZnO nanorods (NRs) decorated with Ag nanoparticles (NPs). The 3D reconstruction by high-angle annular dark field scanning transmission ...
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      White Light Emission: A Full Vacuum Approach for the Fabrication of Hybrid White-Light-Emitting Thin Films and Wide-Range In Situ Tunable Luminescent Microcavities  [Article]

      Oulad Zian, Youssef; Sánchez Valencia, Juan Ramón; Oliva Ramirez, Manuel; Parra Barranco, Julián; Alcaire Martín, María; Aparicio Rebollo, Francisco Javier; Mora Boza, Ana; Espinós Manzorro, Juan Pedro; Yubero Valencia, Francisco; Rodriguez Gonzales Elipe, Agustín; Barranco Quero, Ángel; Borrás Martos, Ana Isabel (Wiley, 2016)
      A wide-range in situ tunable 1D Bragg microcavity including a hybrid layer as white light emitter defect is shown by J. R. Sanchez-Valencia, A. Borras, and co-workers on page 1124. White emission is obtained by Förster ...