Featured in Awarding excellence – 01-2022

Indium: sustainability, not supply

The supply of indium, both for layers in silicon solar cells and some thin-film PV technologies, is increasingly seen as a future potential bottleneck that solar and other industries relying on the material will have to manage. Resolving indium supply concerns may be a case of rethinking mining waste and recycling, reports Ian Morse.

By

pv magazine

12 Jan 2022

Image: Midsummer

When phones and computers became more widespread around the turn of the century, scientists and industry professionals began to worry about the supply of the 49th element on the periodic table: indium. Indium plays an important role in both LCD and OLED displays. By weight, it’s almost three-quarters of a layer of transparent conductive oxide, …

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