Langmuir-Schaeffer Monolayers of Colloidal Nanocrystals for Cost-Efficient Quantum Dot Light-Emitting Diodes

Quantum dot (QD) LEDs of high color purity, and low turn‐on voltage and leakage current are prepared using a solvent free method. First, a monolayer of QDs is formed at the air/water interface, which is then transferred with a PDMS stamp onto the device. The method is applicable to large substrates...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2012-08, Vol.24 (32), p.4414-4418
Main Authors: Bourvon, Hélène, Le Calvez, Stéphanie, Kanaan, Hani, Meunier-Della-Gatta, Sylvia, Philippot, Cécile, Reiss, Peter
Format: Article
Language:English
Subjects:
Chemical Sciences
Colloids - chemistry
Color
Deposition
Dimethylpolysiloxanes - chemistry
Electric potential
Langmuir-Schaeffer
Leakage current
Lighting - instrumentation
Monolayers
nanocrystals
Nanoparticles - chemistry
organic light emitting diode
Quantum Dots
Solvents
Voltage
wet techniques
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Summary:Quantum dot (QD) LEDs of high color purity, and low turn‐on voltage and leakage current are prepared using a solvent free method. First, a monolayer of QDs is formed at the air/water interface, which is then transferred with a PDMS stamp onto the device. The method is applicable to large substrates and reduces materials consumption as compared to other deposition techniques.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201200981