Self-Consistent Charge Density Functional Tight-Binding Study of Poly(3,4-ethylenedioxythiophene): Poly(styrenesulfonate) Ammonia Gas Sensor

Table 1 Comparison of sensing materials for NH₃ detection in the literatures with the present work

Sensing material	Gas response	NH₃(ppm)	Operating temperature	Ref.
Reduce graphene oxide	0.64% (ΔR/R₀)	1000	22 °C	[50]
Silver Nanocrystal-MWCNTs	~9% (ΔR/R₀)	10,000 (1%)	RT.	[51]
PANI	2.3% (Δρ/ρ_air)	750	RT.	[52]
ZnO nanorods	10.1 (R_a/R_g)	100	~300 °C	[53]
SnO₂	1.74 (R_a/R_g)	100	200 °C	[54]
Co₃O₄ crossed nanosheet (CNS)	5.6 (R_g/R_a)	100	111 °C	[55]
Pristine PEDOT:PSS	4.08% (ΔR/R₀)	500	RT.	This work