4.8 Article

New Type of Organic Sensitizers with a Planar Amine Unit for Efficient Dye-Sensitized Solar Cells

Journal

ORGANIC LETTERS
Volume 14, Issue 1, Pages 222-225

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol203012s

Keywords

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Funding

  1. WCU (Ministry of Education and Science) [R31-2008-000-10035-0]
  2. ERC (Korean government(MEST)) [R11-2009-088-02001-0]
  3. New & Renewable Energy of the Korean Institute of Energy Technology Evaluation and Planning (KETEP)
  4. Korea government Ministry of Knowledge Economy [2010T100100674]
  5. National Research Foundation of Korea [R31-2012-000-10035-0, 과06B1510, 2008-0062049] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A new type of organic sensitizers incorporating a planar amine unit have been synthesized and demonstrated to be a highly efficient sensitizers, showing evidence of lateral interactions on the TiO2 surface. Under standard global air mass 1.5 solar conditions, the JK-98 sensitized cell gave a short circuit photocurrent density (J(sc)) of 16.78 mA cm(-2), an open-circuit voltage (V,,c) of 0.745 (V-oc) and a fill factor (ft) of 0.70, corresponding to an overall conversion efficiency (eta) of 8.71%.

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