Figure 9. Band model of a semiconductor for two different temperatures T1 and T2 (T2 > T1)

From

From Titanium Foil to Gas Sensor: Nanoporous Anodic Titania as a Functional Material

Edwin Bogdan, Christoph Weidmann, Thomas Waitz

World Journal of Chemical Education. 2023, 11(3), 54-59 doi:10.12691/wjce-11-3-6