Striking gold nanoparticles with fast single laser pulse enables growing lead halide perovskite crystals at precise times/ locations

https://www.eurekalert.org/news-releases/1101511

"no complicated steps or need for seed crystal to jumpstart process... laser heat leads to crystallization... future: larger and more complex patterns, multiple lasers of different colors for more intricate crystal patterns, attempting to create entirely new materials that can’t be made through conventional methods... more efficient solar panels, brighter LEDs, advanced electronics, medical imaging"