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Subject = Indium tin oxide;
5 items found
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Displaying Results 1 - 5 of 5 on page 1 of 1
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Bottom-up growth of fully transparent contact layers of indium tin oxide nanowires for light-emitting devices
(2009)
O'Dwyer, Colm; Szachowicz, Marta; Visimberga, Giuseppe; Lavayen, Vladimir; Newcomb...
Bottom-up growth of fully transparent contact layers of indium tin oxide nanowires for light-emitting devices
(2009)
O'Dwyer, Colm; Szachowicz, Marta; Visimberga, Giuseppe; Lavayen, Vladimir; Newcomb, Simon B.; Sotomayor Torres, Clivia M.
Abstract:
Thin layers of indium tin oxide are widely used as transparent coatings and electrodes in solar energy cells, flat-panel displays, antireflection coatings, radiation protection and lithium-ion battery materials, because they have the characteristics of low resistivity, strong absorption at ultraviolet wavelengths, high transmission in the visible, high reflectivity in the far-infrared and strong attenuation in the microwave region. However, there is often a trade-off between electrical conductivity and transparency at visible wavelengths for indium tin oxide and other transparent conducting oxides. Here, we report the growth of layers of indium tin oxide nanowires that show optimum electronic and photonic properties and demonstrate their use as fully transparent top contacts in the visible to near-infrared region for light-emitting devices.
http://hdl.handle.net/10468/2821
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Core-shell tin oxide, indium oxide, and indium tin oxide nanoparticles on Si with tunable dispersion: Electrochemical and structural characteristics as a hybrid Li-ion battery anode
(2013)
Osiak, Michal J.; Armstrong, Eileen; Kennedy, Tadhg; Sotomayor Torres, Clivia M.; Ryan,...
Core-shell tin oxide, indium oxide, and indium tin oxide nanoparticles on Si with tunable dispersion: Electrochemical and structural characteristics as a hybrid Li-ion battery anode
(2013)
Osiak, Michal J.; Armstrong, Eileen; Kennedy, Tadhg; Sotomayor Torres, Clivia M.; Ryan, Kevin M.; O'Dwyer, Colm
Abstract:
Tin oxide (SnO2) is considered a very promising material as a high capacity Li-ion battery anode. Its adoption depends on a solid understanding of factors that affect electrochemical behavior and performance such as size and composition. We demonstrate here, that defined dispersions and structures can improve our understanding of Li-ion battery anode material architecture on alloying and co-intercalation processes of Lithium with Sn from SnO2 on Si. Two different types of well-defined hierarchical Sn@SnO2 core–shell nanoparticle (NP) dispersions were prepared by molecular beam epitaxy (MBE) on silicon, composed of either amorphous or polycrystalline SnO2 shells. In2O3 and Sn doped In2O3 (ITO) NP dispersions are also demonstrated from MBE NP growth. Lithium alloying with the reduced form of the NPs and co-insertion into the silicon substrate showed reversible charge storage. Through correlation of electrochemical and structural characteristics of the anodes, we detail the link betwee...
http://hdl.handle.net/10468/6138
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Epitaxial growth of an antireflective, conductive, graded index ITO nanowire layer
(2013)
O'Dwyer, Colm; Sotomayor Torres, Clivia M.
Epitaxial growth of an antireflective, conductive, graded index ITO nanowire layer
(2013)
O'Dwyer, Colm; Sotomayor Torres, Clivia M.
Abstract:
Nanoporous and nanostructured films, assemblies and arrangements are important from an applied point of view in microelectronics, photonics and optical materials. The ability to minimize reflection, control light output and use contrast and variation of the refractive index to modify photonic characteristics can provide routes to enhanced photonic crystal devices, omnidirectional reflectors, antireflection coatings and broadband absorbing materials. This work shows how multiscale branching of defect-free ITO NWs grown as a layer with a graded refractive index improves antireflection properties and shifts the transparency window into the near-infrared (NIR). The measurements confirm the structural quality and growth mechanism of the NW layer without any heterogeneous seeding for NW growth. Optical reflectance measurements confirm broadband antireflection (reflection <5%) between 1.3 and 1.6 μm which is tunable with the NW density. The work also outlines how the suppression of the ...
http://hdl.handle.net/10468/6143
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Preparation of cytocompatible ITO neuroelectrodes with enhanced electrochemical characteristics using a facile anodic oxidation process
(2017)
Vallejo-Giraldo, Catalina; Pampaloni, Niccolo Paolo; Pallipurath, Anuradha R.; Mokarian...
Preparation of cytocompatible ITO neuroelectrodes with enhanced electrochemical characteristics using a facile anodic oxidation process
(2017)
Vallejo-Giraldo, Catalina; Pampaloni, Niccolo Paolo; Pallipurath, Anuradha R.; Mokarian-Tabari, Parvaneh; O'Connell, John; Holmes, Justin D.; Trotier, Alexandre; Krukiewicz, Katarzyna; Orpella-Aceret, Gemma; Pugliese, Eugenia; Ballerini, Laura; Kilcoyne, Michelle; Dowd, Eilis; Quinlan, Leo R.; Pandit, Abhay; Kavanagh, Paul; Biggs, Manus Jonathan Paul
Abstract:
Physicochemical modification of implantable electrode systems is recognized as a viable strategy to enhance tissue/electrode integration and electrode performance in situ. In this work, a bench-top electrochemical process to formulate anodized indium tin oxide (ITO) films with altered roughness, conducting profiles, and thickness is explored. In addition, the influence of these anodized films on neural cell adhesion, proliferation, and function indicates that anodized ITO film cytocompatibility can be altered by varying the anodization current density. Furthermore, ITO-anodized films formed with a current density of 0.4 mA cm(-2) show important primary neural cell survival, modulation of glial scar formation, and promotion of neural network activity.
http://hdl.handle.net/10468/6516
Marked
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Preparation of cytocompatible ito neuroelectrodes with enhanced electrochemical characteristics using a facile anodic oxidation process
(2018)
Vallejo-Giraldo, Catalina; Pampaloni, Niccolò Paolo; Pallipurath, Anuradha R.; Mokarian...
Preparation of cytocompatible ito neuroelectrodes with enhanced electrochemical characteristics using a facile anodic oxidation process
(2018)
Vallejo-Giraldo, Catalina; Pampaloni, Niccolò Paolo; Pallipurath, Anuradha R.; Mokarian-Tabari, Parvaneh; O'Connell, John; Holmes, Justin D.; Trotier, Alexandre; Krukiewicz, Katarzyna; Orpella-Aceret, Gemma; Pugliese, Eugenia; Ballerini, Laura; Kilcoyne, Michelle; Dowd, Eilís; Quinlan, Leo R.; Pandit, Abhay; Kavanagh, Paul; Biggs, Manus Jonathan Paul
Abstract:
Physicochemical modification of implantable electrode systems is recognized as a viable strategy to enhance tissue/electrode integration and electrode performance in situ. In this work, a bench-top electrochemical process to formulate anodized indium tin oxide (ITO) films with altered roughness, conducting profiles, and thickness is explored. In addition, the influence of these anodized films on neural cell adhesion, proliferation, and function indicates that anodized ITO film cytocompatibility can be altered by varying the anodization current density. Furthermore, ITO-anodized films formed with a current density of 0.4 mA cm(-2) show important primary neural cell survival, modulation of glial scar formation, and promotion of neural network activity.
http://hdl.handle.net/10379/14254
Displaying Results 1 - 5 of 5 on page 1 of 1
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Institution
NUI Galway (1)
University College Cork (4)
Peer Review Status
Peer-reviewed (4)
Unknown (1)
Year
2018 (1)
2017 (1)
2013 (2)
2009 (1)
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