4.3 Article

Nanoantennas for enhanced light trapping in transparent organic solar cells

Journal

JOURNAL OF MODERN OPTICS
Volume 61, Issue 21, Pages 1743-1748

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2014.940019

Keywords

photovoltaics; organic solar cell; power conversion efficiency; transparent solar cell; light trapping; domino modes; nanoantenna

Categories

Funding

  1. Russian Fund for Basic Research [13-08-01438, 14-08-31730 mol_a, 14-02-31765 mol_a]
  2. Government of the Russian Federation [074-U01]
  3. Ministry of Education and Science of Russian Federation [11.G34.31.0020]
  4. Dynasty Foundation

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We propose a light-trapping structure offering a significant enhancement of photovoltaic absorption in transparent organic solar cells operating at infrared, while the visible light transmission keeps sufficiently high. The main mechanism of light trapping is related with the excitation of collective oscillations of the metal nanoantenna arrays, characterized by advantageous field distribution in the volume of the solar cell. It allows more than triple increase in infrared photovoltaic absorption.

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