In situ self-exsolved ultrasmall Fe2P quantum dots from attapulgite nanofibers as superior cocatalysts for solar hydrogen evolution

Ultrasmall Fe 2 P quantum dots (Fe 2 P QDs) are in situ self-exsolved from attapulgite (ATP) nanofibers by a low-temperature phosphidation method and the resulting Fe 2 P QDs/ATP has been shown to be an active, durable, and versatile H 2 evolution cocatalyst.