Semitransparent inverted organic photodiodes are fabricated with a Baytron PH500 ethylene‐glycol layer/silver grid as the top electrode. Reasonable performances are obtained under both rear‐ and front‐side illumination and efficiencies up to 2% are achieved. Some light is shed on visual prospects through optical simulations for a semitransparent device of poly(3‐hexylthiophene) (P3HT) and the C60 derivative 1‐(3‐methoxycarbonyl)propyl‐1‐phenyl[6,6]C71 (PC70BM) in the inverted structure. These calculations allow the maximum efficiency achievable to be predicted for semitransparent cells based on P3HT:PC70BM versus the transparency perception for a human eye. The simulations suggest that low‐bandgap materials such as poly[2,6‐(4,4‐bis‐(2‐ethylhexyl)‐4H‐cyclopenta[2,1‐b;3,4‐b′]dithiophene)‐alt‐4,7‐(2,1,3‐benzothiadiazole)] (PCPDTBT) have a better potential for semitransparent devices. In addition, the color range recognized by the human eye is predicted by the optical simulation for some semitransparent devices including different active layers.
Additive Fertigungsverfahren sind für die chemische Industrie doppelt interessant: Einerseits werden immer mehr Grundstoffe dafür benötigt, andererseits werden additiv gefertigte Bauteile in den Anlagen eingesetzt. Die Hersteller solcher Komponenten stehen allerdings vor Herausforderungen: Sie müssen nachweisen, dass diese genauso sicher sind wie bei der konventionellen Fertigung. TüV SüD hat dafür eine Zertifizierung auf Basis der Druckgeräterichtlinie entwickelt.
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