An antireflection transparent conductor with ultralow optical loss (o2 %) and electrical resistance (o6O 2)
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Tipus de documentArticle
Data publicació2016-12-19
EditorNature
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Transparent conductors are essential in many optoelectronic devices, such as displays, smart
windows, light-emitting diodes and solar cells. Here we demonstrate a transparent conductor
with optical loss of B1.6%, that is, even lower than that of single-layer graphene (2.3%), and
transmission higher than 98% over the visible wavelength range. This was possible by an
optimized antireflection design consisting in applying Al-doped ZnO and TiO2 layers with
precise thicknesses to a highly conductive Ag ultrathin film. The proposed multilayer
structure also possesses a low electrical resistance (5.75O 2), a figure of merit four times
larger than that of indium tin oxide, the most widely used transparent conductor today, and,
contrary to it, is mechanically flexible and room temperature deposited. To assess the
application potentials, transparent shielding of radiofrequency and microwave interference
signals with B30 dB attenuation up to 18 GHz was achieved.
CitacióManiyara, Rinu Abraham [et al.]. An antireflection transparent conductor with ultralow optical loss (o2 %) and electrical resistance (o6O 2). "Nature Communications", 19 Desembre 2016, vol. 7, núm. 13771.
ISSN2041-1723
Versió de l'editorhttp://www.nature.com/articles/ncomms13771
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