Enabling Universal Photopatterning

Photopatterning of colloidal quantum dots

Achieving precise and scalable photopatterning of colloidal quantum dots (QDs) has long been a significant challenge for next-generation electronic and photonic devices. Traditional methods, such as inkjet and transfer printing, often fall short, hindered by limitations in resolution, scalability, and material degradation. These obstacles have slowed innovation in industries that rely on high-performance quantum dot solutions.

We are proud to highlight a groundbreaking advancement in nanotechnology and materials science, recently featured in the Journal of the American Chemical Society: “Direct Photopatterning of Colloidal Quantum Dots with Electron-Optimized Diazirine-Based Crosslinkers.” This pioneering research provides an elegant solution to one of the most pressing challenges in quantum dot applications: the ability to achieve precise, high-resolution patterning while preserving their luminescent properties.

Quantum dots are critical to the future of technology, from ultra-high-definition full-color displays to hyperspectral imaging systems. However, traditional photolithography methods disrupt their delicate surface chemistry, compromising their optical and electronic performance. With the advent of electron-optimized diazirine-based crosslinkers, this breakthrough not only safeguards quantum dot integrity but also unlocks their full potential in a wide array of advanced applications.

Enabling the Future of Universal Photopatterning

XLYNX’s diazirine-based crosslinkers redefine what’s possible in QD photopatterning by providing:

  • Non-Destructive Patterning: Protects quantum dots, including heavy metal-free InP/ZnSe/ZnS QDs, preserving their optical and electronic properties under ambient conditions.
  • High Resolution: Achieves precision exceeding 13,000 pixels per inch (ppi), unlocking intricate and scalable designs for advanced applications.
  • Enhanced Device Performance: Peak external quantum efficiency (EQE) of 15.3% and maximum luminance of ~40,000 cd/m².
  • Sustainability and Scalability: Eliminates traditional photoresists and etchants, reducing environmental impact while ensuring compatibility with standard photolithography.

Our crosslinkers utilize advanced diazirine chemistry to achieve precise, air-stable photopatterning:

  • Electronically Optimized Design: Features electron-donating substituents that form singlet carbenes, enabling high-resolution patterns without compromising material integrity.
  • Ambient Conditions: Patterns are created in the presence of air, removing the need for inert environments.
  • Scalable Integration: Seamlessly integrates with commercial photolithography equipment for large-scale manufacturing.

XLYNX’s crosslinkers enable breakthroughs in a range of industries:

  • Display Technologies: Vibrant, energy-efficient QLED, OLED, and microLED displays.
  • Flexible Electronics: Foldable screens, wearable devices, and smart textiles.
  • Photonics and Optoelectronics: Advanced QD-based lasers, sensors, and photonic chips.
  • Eco-Friendly Manufacturing: Green technologies that prioritize sustainability.

XLYNX’s diazirine-based crosslinkers redefine what’s possible in photopatterning, setting a new benchmark for precision and non-destructive capabilities. If our technology can enable the intricate, direct photopatterning of quantum dots—among the most sensitive and complex materials—imagine the possibilities it can unlock for other advanced materials.

For more information or to purchase BondLynx check out the links below:

flexible OLED display

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