4.7 Article

Surface modification with MK-2 organic dye in a ZnO/P3HT hybrid solar cell: Impact on device performance

Journal

APL MATERIALS
Volume 2, Issue 7, Pages -

Publisher

AMER INST PHYSICS
DOI: 10.1063/1.4886217

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Funding

  1. Center for Advanced Soft Electronics under the Global Frontier Research Program of the Ministry of Education, Science and Technology [2011-0031639]
  2. New and Renewable Energy of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant - Korea government Ministry of Knowledge Economy [20123010010140]
  3. National Research Foundation of Korea [2014R1A2A1A05004993, 2011-0031639] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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The photovoltaic performance of a hybrid ZnO/P3HT heterojunction was improved by modifying the device surface with the MK-2 dye. This organic dye enhanced the compatibility between the polymer and the metal oxide, increased the exciton separation efficiency, and improved the molecular ordering in the charge transport network. The resulting device displayed a substantial enhancement in the photocurrent, open circuit voltage, and fill factor, leading to a 12-fold increase in the power conversion efficiency relative to the unmodified device, from 0.13% to 1.53%. (C) 2014 Author(s).

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