Preparation of Cd-Loaded In₂O₃ Hollow Nanofibers by Electrospinning and Improvement of Formaldehyde Sensing Performance

Figure 1

(a) The mechanism of test circuit and structure of the gas sensor and (b) SEM images of In₁₀Cd₁ nanofibers coated on the surface of the ceramic tube.

(a)

(b)