This review focuses on the synthesis and chemical sensing characterization of metal oxide
heterostructures reported since 2012. Heterostructures exhibit strong interactions between …

The construction of heterojunctions has been widely applied to improve the gas sensing
performance of composites composed of nanostructured metal oxides. This review …

In this work, a novel branched heterostructural composite composed of nanorods ZnO
backbone and SnO 2 branches was prepared via a facile one-step hydrothermal method …

Metal oxide based core-shell (CS) nanostructures have been studied for gas sensing
applications to mitigate poor selectivity. When designing core-shell nanostructures with nn …

The novel brush-like (B–) SnO 2@ ZnO hierarchical nanostructures (HNSs) are successfully
synthesized by using a simple two–step hydrothermal method. The SnO 2 nanowires (NWs) …

Abstract Quasi-one-dimensional (1D) heterostructures act as promising gas-sensing
materials due to their high surface-to-volume ratio, large depletion area, and synergistic …

The design of hetero-nanojunctions can greatly amplify the gas-sensing performance of
conventional metal oxide gas sensors. In this study, the composite nanofibers (NFs) of ZnO …

Owing to the advantages of the high specific surface area, excellent electronic conduction
behavior, and special diffusion pathways originating from nanoscale heterojunctions, there …

A novel hierarchical heterostructure of α-Fe2O3 nanorods/TiO2 nanofibers with branch-like
nanostructures was fabricated using a simple two-step process called the electrospinning …

Hybrid metal oxide nano‐and microstructures exhibit novel properties, which make them
promising candidates for a wide range of applications, including gas sensing. In this work …