Making advanced electronics with water

Credit: Advanced Functional Materials (2021). DOI: 10.1002/adfm.202109442

Water is the secret ingredient in a simple way to create key components for solar cells, X-ray detectors and other optoelectronics devices.

The next generation of photovoltaics, semiconductors and LEDs could be made using perovskites—an exciting and versatile nanomaterial with a crystal structure.
Perovskites have already shown similar efficiency to silicon, are cheaper to make, and feature a tunable bandgap, meaning the energy they are able to absorb, reflect or conduct can be changed to suit different purposes.
Ordinarily, water is kept as far away as possible during the process of creating perovskites. …
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