High performance organic photovoltaic devices using amorphous molecular materials with high charge-carrier drift mobilities
- 9 February 2009
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 94 (6)
- https://doi.org/10.1063/1.3079399
Abstract
P n -Heterojunction organic photovoltaic devices (OPVs) using amorphous molecular materials with high hole drift mobilities of 10−2 cm2 V−1 s−1, tris[4-(2-thienyl)phenyl]amine and tris[4-(5-phenylthiophen-2-yl)phenyl]amine, as electron donors and fullerene as an electron acceptor were fabricated. In spite of the use of amorphous materials instead of crystalline materials, the devices exhibited high performance with fill factors of 0.62–0.71 and power conversion efficiencies of 1.5%–1.7% under air-mass 1.5 G illumination at an intensity of 100 mW cm−2.Keywords
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