The Fraunhofer IAP has been active in organic electronic research focusing on applications in OLEDs, OTFT, OPV, sensors and actuators. The main focus is on synthesis of novel materials with improved optoelectronic properties as well as in the device design and manufacture. Quantum Dots (QD) are a new class of nanomaterials in which optical properties can be tuned by adjusting the particle size. These unique properties enable QDs to be used in various applications, for example, as luminescent materials in Quantum Dot LEDs and Displays and as converting material for lighting application. Additionally, environmentally friendly cadmium-free synthesis methods are being explored. Our concentration is on solution processability which can be manufactured by area or digital printing techniques. In a clean room environment, several processing techniques are available under an controlled atmosphere from spin coating for material evaluation in lab devices up to advanced processing techniques such as inkjet printing and high precision slot die coating for larger substrate sizes.
Fraunhofer IAP has developed several procedures for the synthesis and modification of QDs and can provide a wide variety of QD-materials. Besides conventional cadmium selenide QDs Fraunhofer IAP has developed environment-friendly indium phosphide QDs and a method to provide very stable indium phosphide QDs covering the whole spectral range from blue to red with high quantum yield, low FWHM and high stability in organic and aqueous phases or other matrices.
Fraunhofer IAP has developed several procedures for the synthesis and modification of QDs and can provide a wide variety of QD-materials. Besides conventional cadmium selenide QDs Fraunhofer IAP has developed environment-friendly indium phosphide QDs for QDEF and QLED for display application. Her...| » Further reading
In close cooperation with machine manufacturers M.BRAUN INERTGAS-SYSTEME GmbH, Munich, Notion GmbH in Schwetzingen and VON ARDENNE GmbH, Dresden, we are developing the various processes for future OLED production plants.| » Further reading
Digital printing offers an important tool for solution processing of organic materials. While inkjet printing is already well established it is limited with respect to resolution down to 10 – 20 µm and with respect to the ink viscosity. Electrospinning jetting widens the range of materials for di...| » Further reading
Fraunhofer-Institut für Angewandte Polymerforschung (IAP)
Phone: +49 331 5681910
Fax: +49 331 5683910
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