Fraunhofer IAP

Potsdam, 
Germany
http://www.iap.fraunhofer.de
  • Booth: 1413

Welcome at Fraunhofer IAP. We will show QD applications.

Fraunhofer IAP has developed several procedures for the synthesis and modification of QDs and can provide a wide variety of QD-materials. Here, Fraunhofer IAP has developed a method to provide very stable indium phosphide (InP) QDs covering a wide spectral range from green to red with a high quantum yield, low FWHM and high stability in organic and aqueous phases or other matrices. Developing the high-performance QD-LEDs based on InP-based QDs is quite important to bring QD-LEDs into the future market. Fraunhofer IAP investigated the performance of inverted QD-LEDs fabricated with synthesized multi-shell InP/ZnSe/ZnS QDs and ZnO nanoparticles as well. The results show that InP/ZnSe/ZnS QDs is the most promising candidate for the Cd-free QD-LEDs. The investigated QD-LEDs match the performance of CD-based QD-LEDs with luminance values higher than 25.000 cd/m2. A new technique for drop-on-demand formation - pulsed electro-static printing (ESJET) is use for high resolution printing with pixel structures of 10 µm and below.

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