Scalable green chiral perovskite ink production overcomes significant hurdles in stability and manufacturing for advanced optics

https://www.eurekalert.org/news-releases/1115415

"avoids complex synthesis, inert atmospheres, high temperatures, utilizing 1-step wet-ball-milling... up to 500 mL ink/ batch... bio-based ethyl cellulose polymer/ chiral molecule integration... nanocrystal surface passivity raises photoluminescence quantum yield from 56% to 83%, retains 80% brightness after 100 days air exposure, screen printing/ laser engraving/ handwriting compatible... high-detail QR codes/ encrypted text, flexible optoelectronic devices/ sensors... future: optimize purity/ long-term durability"