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Published October 2016 | Published + Supplemental Material
Journal Article Open

Effectively Transparent Front Contacts for Optoelectronic Devices


Effectively transparent front contacts for optoelectronic devices achieve a measured transparency of up to 99.9% and a measured sheet resistance of 4.8 Ω sq^(−1). The 3D microscale triangular cross-section grid fingers redirect incoming photons efficiently to the active semiconductor area and can replace standard grid fingers as well as transparent conductive oxide layers in optoelectronic devices.

Additional Information

© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial License , which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes. The copyright line of this paper was changed 1 August 2016 after initial publication. Manuscript Received: 7 APR 2016. Manuscript Revised: 17 MAY 2016. Version of Record online: 10 JUN 2016. The information, data, or work presented herein was funded in part by the U.S. Department of Energy, Energy Efficiency and Renewable Energy Program, under Award Number DE-EE0006335 The lithographic printing (C.R.B. and S.Y.) was supported by the Bay Area Photovoltaics Consortium under Award Number DE-EE0004946. One of us (A.M.B.) was supported by the National Science Foundation (NSF) and the Department of Energy (DOE) under NSF CA No. EEC-1041895. S.Y. acknowledges the Kavli Nanoscience Institute and the Joint Center for Artificial Photosynthesis. The authors acknowledge Mathieu Boccard (Arizona State University) for providing the solar cells used to carry out this study. The authors thank Cristofer A. Flowers (California Institute of Technology) for helpful discussion and Lucas Meza (California Institute of Technology) for two-photon lithography advice.

Attached Files

Published - Saive_et_al-2016-Advanced_Optical_Materials.pdf

Supplemental Material - adom201600252-sup-0001-S1.pdf


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