Optical Impedance Transformer for Transparent Conducting Electrodes

A fundamental limitation of transparent conducting electrode design is thought to be the trade-off between photonic and electronic performances. The photonic transmission property of a transparent conducting electrode, however, is not intrinsic but depends critically on the electromagnetic environme...

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Bibliographic Details
Published in:Nano letters 2014-05, Vol.14 (5), p.2755-2758
Main Authors: Wang, Ken Xingze, Piper, Jessica R, Fan, Shanhui
Format: Article
Language:English
Subjects:
Applied sciences
Conduction
Electrodes
Electronics
Exact sciences and technology
Graphene
Impedance
Molecular electronics, nanoelectronics
Nanostructure
Photonics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Transformations
Transformers
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Summary:A fundamental limitation of transparent conducting electrode design is thought to be the trade-off between photonic and electronic performances. The photonic transmission property of a transparent conducting electrode, however, is not intrinsic but depends critically on the electromagnetic environment where the electrode is located. We develop the concept of optical impedance transformation, and use this concept to design nanophotonic structures that provide broadband and omnidirectional reduction of optical loss in an ultrathin transparent conducting electrode, without compromising its electrical performance.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl500741f