Transparent metal electrodes from ordered nanosphere arrays

被引：38

作者：

Morfa, Anthony J. ^{[1
,2
,3
]}

Akinoglu, Eser M. ^{[3
]}

Subbiah, Jegadesan ^{[1
,2
]}

Giersig, Michael ^{[3
]}

Mulvaney, Paul ^{[1
,2
]}

机构：

[1] Univ Melbourne, Sch Chem, Parkville, Vic 3010, Australia

[2] Univ Melbourne, Inst Bio21, Parkville, Vic 3010, Australia

[3] Free Univ Berlin, Inst Expt Phys, D-14195 Berlin, Germany

来源：

JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 05期

关键词：

ORGANIC SOLAR-CELLS; REDUCED GRAPHENE OXIDE; LATEX-PARTICLES; FILMS; LIGHT; LITHOGRAPHY; NETWORKS;

D O I：

10.1063/1.4816790

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We show that perforated metal electrode arrays, fabricated using nanosphere lithography, provide a viable alternative to conductive metal oxides as transparent electrode materials. The inter-aperture spacing is tuned by varying etching times in an oxygen plasma, and the effect of inter-aperture "wire" thickness on the optical and electronic properties of perforated silver films is shown. Optical transmission is limited by reflection and surface plasmons, and for these results do not exceed 73%. Electrical sheet resistance is shown to be as low as 3 Omega square(-1) for thermally evaporated silver films. The performance of organic photovoltaic devices comprised of a P3HT: PCBM bulk heterojunction deposited onto perforated metal arrays is shown to be limited by optical transmission, and a simple model is presented to overcome these limitations. (C) 2013 AIP Publishing LLC.

引用

页数：6

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