Degradation of small-molecule organic solar cells

QL Song, ML Wang, EG Obbard, XY Sun… - Applied physics …, 2006 - pubs.aip.org
Small-molecule organic solar cells with a structure of indium tin oxide (ITO)\tris-8-hydroxy-
quinolinato aluminum (Al q 3)(2 nm)\fullerene (C 60)(40 nm)\copper phthalocyanine
(CuPc)(32 nm)\Au (40 nm) were fabricated. The shelf lifetime of unencapsulated devices
was over 1500 h⁠, and the power conversion efficiency reached 0.76% under AM1. 5G (air
mass 1.5 global) 75 mW∕ cm 2⁠. The long lifetime was attributed to the inverted structure
compared to the conventional ITO\Cu Pc\C 60\buffer\Al structure since the former could …
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