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Tailored antireflective biomimetic nanostructures for UV applications

MPS-Authors
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Morhard,  Christoph
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Pacholski,  Claudia
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany;

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Spatz,  Joachim P.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany;

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Citation

Morhard, C., Pacholski, C., Lehr, D., Brunner, R., Helgert, M., Sundermann, M., et al. (2010). Tailored antireflective biomimetic nanostructures for UV applications. Nanotechnology, 21(42): 425301. doi:10.1088/0957-4484/21/42/425301.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0010-3C33-0
Abstract
Antireflective surfaces composed of biomimetic sub-wavelength structures that employ the 'moth eye principle' for reflectance reduction are highly desirable in many optical applications such as solar cells, photodetectors and laser optics. We report an efficient approach for the fabrication of antireflective surfaces based on a two-step process consisting of gold nanoparticle mask generation by micellar block copolymer nanolithography and a multi-step reactive ion etching process. Depending on the RIE process parameters nanostructured surfaces with tailored antireflective properties can easily be fabricated that show optimum performance for specific applications.