Inkjet-Printable QLED Quantum Dot and ZnMgO Nanoparticle Inks

Cat No:QDNQDI-0002

Description

Ink formulations developed for inkjet-printed quantum-dot light-emitting devices and large-area display panels. Available systems include cadmium-based and InP-based quantum-dot inks as well as ZnMgO nanoparticle ink with controlled viscosity, surface tension and solids concentration.

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Basic Information

Chemical Composition	Cadmium-based quantum dots; InP-based quantum dots; ZnMgO nanoparticles
Fabrication Properties	Inkjet-printable formulation; controlled viscosity and surface tension; suitable for uniform droplet formation, film deposition and printed QLED process development.
Form	Inkjet-printable quantum dot and nanoparticle ink
Concentration (mg/ml)	Quantum dot inks: 30 ± 5; ZnMgO nanoparticle ink: 40 ± 5
Matrix	Cadmium-based QDs; InP-based QDs; ZnMgO nanoparticles
Peak Emission Wavelength (nm)	Cd-based: 465 ± 5, 525 ± 5, 625 ± 5; InP-based: 525 ± 10, 625 ± 10
Quantum Yield (%)	Cd-based: >65 blue, >80 green, >85 red; InP-based: >70 green and red
Viscosity (cP)	Quantum dot inks: 5.5 ± 1.0; ZnMgO nanoparticle ink: 6.0 ± 1.0
FWHM (nm)	Cd-based: <25 blue and green, <28 red; InP-based: <45
Surface Tension (mN/m)	Quantum dot inks: 29.0 ± 1.5; ZnMgO nanoparticle ink: 28.0 ± 1.5

Applications

Inkjet-printed QLEDs; large-area display panels; patterned emissive layers; printed electron-transport layers; device and printing-process optimization.

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