Journal
NANO LETTERS
Volume 10, Issue 8, Pages 2944-2949Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl1011239
Keywords
Transparent conductive electrodes; nanopatterned metal films; sheet resistance; transmittance; propagating mode; Fano interference; surface resonance
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Funding
- Center for Advanced Molecular Photovoltaics (CAMP), King Abdullah University of Science and Technology [KUSC 1-015-21]
- DOE [DE-FG02-07ER46426]
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We investigate the use of nanopatterned metallic films as transparent conductive electrodes in optoelectronic devices. We find that the physics of nanopatterned electrodes, which are often optically thin metallic films, differs from that of optically thick metallic films. We analyze the optical properties when performing a geometrical transformation that maintains the electrical properties. For one-dimensional patterns of metallic wires, the analysis favors tall and narrow wires. Our design principles remain valid for oblique incidence and readily carry over to two-dimensional patterns.
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