posted on 2025-10-24, 12:02authored byYilin Chen, Wenyang Zheng, Xiao Chang, Xianghong Liu, Jun Zhang
Experimental synthesis and characterizations: XPS survey of the materials; gas-sensing tests of the Pd-SnSe2/SnO2 sensor for NO2 with different Pd ALD cycles of 5, 15 and 20; Comparison table of the sensor with reported binary/ternary heterojunction NO2 sensors; Supplement to discussion of gas-sensing mechanism.