Available Technologies

VAlue proposition

Lead halide perovskites, with their exceptional optoelectronic properties, hold considerable promise for a wide array of photonic applications. However, precise spatiotemporal control over their crystallization remains an outstanding challenge, limiting the design of next-generation perovskite-based technologies. Conventional crystal growth techniques often lead to uncontrolled nucleation at random sites, slow growth rates, and structural heterogeneity, resulting in large variances in crystal orientation, size, and, subsequently, optical properties. These limitations are particularly problematic for integrated photonic applications, where spatially controlled crystallization is critical for optimizing device performance.  It is desirable to have a manufacturing method that enables localized, real-time control of perovskite nucleation and growth with nanometer spatial and microsecond temporal precision. The crystalline materials may then be used as catalysts for synthesis of a wide range of materials including organic molecules and drug products

Description of Technology

A technology for generating microscopic crystals of different materials using one or more lasers is developed. The lasers generate plasmonic heating of tethered nanoparticles such as gold nanospheres or nanorods, which causes rapid nucleation of precursor materials in a solvent to form single crystals on the micrometer scale. The nanoparticles control the position of these microcrystals, while the laser controls the precise timing when they form. The crystals do not form without both the nanoparticles and the laser irradiation. Localized surface plasmon resonance in single gold nanoparticles act as nanoscale heat sources to induce crystallization with a simple continuous-wave laser, eliminating the need for seed crystals and avoiding redissolution issues common in conventional laser-induced methods. This technology establishes a scalable, cost-effective platform for tunable perovskite synthesis, paving the way for controlled synthesis of perovskite materials in advanced optoelectronic materials.

Benefits

• Tunable bandgaps
• Strong light-matter interactions
• High photoluminescence quantum yields
• Exceptional charge transport properties
• Next-generation optoelectronics

Applications

• Lead halide perovskites
• High-efficiency solar cells,
• light-emitting diodes,
• Lasers
• Photodetectors

IP Status

Patent Pending

LICENSING RIGHTS AVAILABLE

Full licensing rights available

INVENTORS: Elad Harel

Tech ID: TEC2025-0077