Journal
ORGANIC ELECTRONICS
Volume 14, Issue 2, Pages 445-450Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2012.12.013
Keywords
Pyrene; Organic dye; Dye-sensitized solar cell; Triphenylamine
Funding
- National Nature Science Foundation [21174149, 51173190, 21073203, 21121001]
- National 863 Program [2011AA050521]
- 973 Program [2009CB930404, 2011CB932303, 2011CB808400]
- National Nature Science Foundation [21174149, 51173190, 21073203, 21121001]
- National 863 Program [2011AA050521]
- 973 Program [2009CB930404, 2011CB932303, 2011CB808400]
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Pyrene is an alternant polycyclic aromatic hydrocarbon consisting of four fused benzene rings with a large, flat aromatic system, showing high thermal stability, extensive electron delocalization and electron accepted nature. In this work, pyrene was firstly employed as pi-conjugated bridge to construct electron donor-pi-electron acceptor (D-pi-A) organic dyes, where diarylamine or indoline was used as donor, and cyanoacrylic acid as electron acceptor. The peryne-based dyes were employed as sensitizers in dye-sensitized solar cells, and give a short circuit photocurrent density (J(sc)) of 12.1 mA/cm(2), an open circuit voltage (V-oc) of 0.71 V, and a fill factor (FF) of 0.71, corresponding to an overall conversion efficiency (eta) of 6.1% under AM 1.5 conditions. (C) 2012 Elsevier B.V. All rights reserved.
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