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Design of Highly Transparent Organic Photodiodes

By: Dohler, G.H.; Furst, J.; Rauch, T.; Tedde, S.; Zaus, E.S.;

2008 / IEEE


This item was taken from the IEEE Periodical ' Design of Highly Transparent Organic Photodiodes ' In this brief, various approaches for the realization of transparent photodiodes based on bulk heterojunction blends of poly-3-hexylthiophene and [6,6]-phenyl C61-butyric acid methyl ester are studied. The choice of the constituents of the device is discussed concerning transmittance and light-detecting properties as dark current and external quantum efficiency (EQE). Blending several light-absorbing materials makes tailoring of the transmittance spectrum possible. Transmittance of 36% of the incident light together with 46% EQE at a wavelength of 530 nm are promising results and show the potential for highly transparent photodiodes based on organic layers.