2D Hybrid Perovskites Grown

Researchers at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory have grown atomically thin 2D sheets of organic-inorganic hybrid perovskites. These 2D hybrid perovskites are ionic materials that have unique properties, making them possible successors to silicon.

“The ultrathin sheets are of high quality, large in area, and square-shaped. They also exhibited efficient photoluminescence, color-tunability, and a unique structural relaxation not found in covalent semiconductor sheets.” Phys.org said.

“We believe this is the first example of 2D atomically thin nanostructures made from ionic materials. The results of our study open up opportunities for fundamental research on the synthesis and characterization of atomically thin 2D hybrid perovskites and introduces a new family of 2D solution-processed semiconductors for nanoscale optoelectronic devices, such as field effect transistors and photodetectors,” Peidong Yang, a chemist with Berkeley Lab’s Materials Sciences Division, said.

“With our technique, vertical and lateral heterostructures can also be achieved. This opens up new possibilities for the design of materials/devices on an atomic/molecular scale with distinctive new properties,” Yang added.

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