Make all your photonics from perovskite?

Aug. 14, 2014
Have we finally found the universal substance for photonics? Well, not really. But perovskite, the material (actually, a class of materials) that's recently been getting technical press for its high efficiency as a solar-cell material, has other potential uses as well.
John Wallace 720
John Wallace 720
John Wallace 720
John Wallace 720
John Wallace 720

Have we finally found the universal substance for photonics? Well, not really. But perovskite, a material (actually, a class of materials with a common structure) that's recently been getting technical press for its high efficiency as a solar-cell material, has other potential uses as well.

Here's the solar-cell (and thus photodetector) angle:
http://news.nd.edu/news/49792-notre-dame-paper-offers-insights-into-a-new-class-of-semiconducting-materials/

Next, LEDs:
LEDs made from perovskite could enable low-cost LED displays

Lasers:
High-efficiency perovskite photovoltaic material also lases

Nonlinear optical devices:
From Optical Materials Express: http://dx.doi.org/10.1364/OME.4.001186

Metamaterial lenses:
Also from Optical Materials Express: http://dx.doi.org/10.1364/OME.4.001186

It seems you can use perovskites for everything in your optical system except the mechanical devices. But wait:

Piezoelectric actuators:
Fujifilm creates new PZT actuator film with higher piezoelectric constant

So it is my pleasure to announce (OK, in jest) the launch of a new sister brand, Perovskite Focus World. And if you want to receive the print version, be prepared: in the interests of saving paper, it will be made from . . .

About the Author

John Wallace | Senior Technical Editor (1998-2022)

John Wallace was with Laser Focus World for nearly 25 years, retiring in late June 2022. He obtained a bachelor's degree in mechanical engineering and physics at Rutgers University and a master's in optical engineering at the University of Rochester. Before becoming an editor, John worked as an engineer at RCA, Exxon, Eastman Kodak, and GCA Corporation.

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