Journal
TETRAHEDRON LETTERS
Volume 52, Issue 30, Pages 3879-3882Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.05.074
Keywords
Porphyriin; Carbazole; Dye-sensitised solar cell; Quantum efficiency
Categories
Funding
- MKE (the Ministry of Knowledge Economy), Korea [IITA-2008-C1090-0804-0013]
- WCU (the Ministry of Education and Science) [R31-2008-000-10035-0]
- National Research Foundation of Korea (NRF) [2010K000973]
- Korea Institute of Science and Technology Information [KSC-2008-S03-0008]
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We have designed and synthesised novel zinc porphyrin dyes that have a D-pi-A system based on porphyrin derivatives containing a carbazole linked triphenylamine (TPA) electron-donating group as the second electron donor and a meso-substituted phenyl carboxyl anchoring group attached at the meso position of the porphyrin ring, yielding push-pull porphyrins as the most efficient green dye for DSSC applications. Under photovoltaic performance measurements, a maximum photon-to-electron conversion efficiency of 5.01% was achieved with the DSSC based on the dye HKK-Por1 (Jsc = 10.7 mA/cm(2), V(OC) = 0.67 V, FF = 0.70) under AM1.5 irradiation (100 mW/cm(2)). (C) 2011 Elsevier Ltd. All rights reserved.
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