From a Carpet of Nanorods to a Thin Film Solar Cell Absorber within a Few Seconds (IMAGE)

Helmholtz-Zentrum Berlin für Materialien und Energie

From a Carpet of Nanorods to a Thin Film Solar Cell Absorber within a Few Seconds

Caption

The transformation from a layer of closely packed nanorods (top left) to a polycrystalline semiconductor thin film (top right) can be observed in by in-situ X-ray diffraction in real time. The intensities of the diffraction signals are color coded in the image at the bottom. A detailed analysis of the signals reveals that the transformation of the nanorods into kesterite crystals takes only 9 to 18 seconds.

Credit

R. Mainz/A. Singh

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