title: Enhanced gas sensing performance of SnO2/α-MoO3 heterostructure nanobelts.
abstract: Extremely high sensitivity and low working temperature of gas sensors are realized from SnO(2)/α-MoO(3) heterostructure nanobelts. Their sensitivity against 500 ppm ethanol is up to 67.76 at the working temperature of 300 °C, which is higher than that of bare α-MoO(3) and SnO(2) nanostructures. Also the working temperature can be lowered down to 120 °C. Such behaviors are attributed to the variation of the junction barrier at the SnO(2)/α-MoO(3) interface. The present results imply that heterostructured 1D nanomaterials may yield gas sensors with improved characteristics, and can be applied to a wide range of gas sensors.
authors: College of Sciences, Northeastern University, Shenyang, People's Republic of China.
authors: Li-Li
authors: LL
authors: Xing
authors: Shuang
authors: S
authors: Yuan
authors: Zhao-Hui
authors: ZH
authors: Chen
authors: Yu-Jin
authors: YJ
authors: Chen
authors: Xin-Yu
authors: XY
authors: Xue