A review on hematite α-Fe2O3 focusing on nanostructures, synthesis methods and applications

In this article, we review hematite α-Fe₂O₃ focusing on its material properties, nanostructures, synthesis techniques, and various applications that have been associated using hematite α-Fe₂O₃. Hematite nanostructures can be prepared using many synthesis methods includes hydrothermal and it can be further improved by enhancing the synthesis techniques in order to accommodate the best performance for specific applications, and nevertheless to explore new applications of hematite in humidity sensing.