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Niobium oxyfluoride (Nb3O7F) with excellent optoelectronic properties holds great promise for applications in photocatalysis, hydrogen production and solar cell. However, how to avoid volatile, pungent & corrosive hydrofluoric acid (HF) in Nb3O7F production is always an important issue. Here, we demonstrate a facile hydrothermal approach to prepare Nb3O7F nanowalls without adding HF. Different...
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