Essays about: "light-emitting electrochemical cell"

Showing result 1 - 5 of 6 essays containing the words light-emitting electrochemical cell.

1. 1. Birch leaf carbon dots: characterization and application in a light-emitting electrochemical cell

   University essay from Umeå universitet/Institutionen för fysik

   Author : Märta Gregorsson; [2022]
   Keywords : carbonized polymer dot; carbon dots; light-emitting electrochemical cell; pheophytin; solid-state luminescence; self-quenching; aggregation-caused-quenching; host-guest system;

   Abstract : A new rising star in the carbon nanomaterial family is carbon dots. Carbon dots have received great attention due to their excellent luminescence and low toxicity. In this project, a new carbon dot derived from birch leaves is studied and characterized. READ MORE

3. 2. Probing ion movement in conjugated polymers

   University essay from Uppsala universitet/Strukturkemi

   Author : Markus Hall; [2019]
   Keywords : Light-emitting electrochemical cell; conjugated polymer; electrochemical doping; MEH-PPV; lithium; trifluoromethanesulfonate; trimethylolpropane ethoxylate;

   Abstract : Electronic conduction in conjugated polymers can be increased through electrochemical doping. This is utilised in light-emitting electrochemical cells and allows for a less demanding manufacturing process compared to the related organic light-emitting diode. READ MORE

4. 3. Creating nanopatterned polymer films for use in light-emitting electrochemical cells

   University essay from Umeå universitet/Institutionen för fysik

   Author : Thomas Moberg; [2018]
   Keywords : Thermal nanoimprint lithography; soft stamp; intermediate polymer stamp; Light-emitting electrochemical cell; LEC; Super Yellow; polystyrene; poly ethylene oxide ; nanopattern;

   Abstract : Thermal nanoimprint lithography (T-NIL) is a cheap and fast technique to produce nanopatterns in polymeric materials. It creates these patterns by pressing a stamp down into a polymer film that has been heated above its glass transition temperature. READ MORE

5. 4. Utilizing an efficient color-conversion layer for realization of a white light-emitting electrochemical cell

   University essay from Umeå universitet/Institutionen för fysik

   Author : Joel Vedin; [2016]
   Keywords : Color-conversion layer; Light-emitting electrochemical cell; LEC; LECs; White light-emitting electrochemical cell; White light; R9; color-rendering index; CRI; High-color-rendering; color-conversion; top-emitting; Färgkonverteringslager; ljusemitterande electrokemisk cell; LEC; LECar; Vit ljusemitterande electrokemisk cell; vitt ljus; R9; färgåtergivningstal; CRI; färgkonvertering; topp-emitterande;

   Abstract : Organic semiconducting materials have received a lot of attention in recent years and can now be found in many applications. One of the applications, the light emitting electrochemical cell (LEC) has emerged due to its flat and lightweight device structure, low operating voltage, and possibility to be fully solution processed. READ MORE

6. 5. Inkjet deposition of electrolyte : Towards Fully Printed Light-emitting Electrochemical Cells

   University essay from Umeå universitet/Institutionen för fysik

   Author : Mattias Lindh; [2013]
   Keywords : inkjet printing; organic electronics; light-emitting electrochemical cell; solid electrolyte; coffee ring; stone ship; wettability; bläckstråleskrivare; organisk elektronik; ljusemitterande elektrokemiska celler; fast elektrolyt; kaffering; skeppssättning; vätbarhet;

   Abstract : Organic electronics is a hot and modern topic which holds great promise for present and future applications. One such application is the light-emitting electrochemical cell (LEC). It can be fully solution processed and driven at low voltage providing light emission from a large surface. READ MORE