Gas Sensing Properties and Mechanism of Nano-SnO₂-Based Sensor for Hydrogen and Carbon Monoxide

Table 2

Adsorption energy on SnO₂ (110) surface.

Adsorption energy Δ𝐸ads/eV
Gas	O2c	O3c	Sn5c	Sn6c
H2	0.031	0.018	0.024	0.027
CO (O end)			0.032	0.017
CO (C end)	0.021	0.029	0.042	0.024