Clean air is probably the most essential before water for human health and well-being, but
human activities associated with socioeconomic developments are the key pollution …

Chemi-resistive sensors based on hybrid functional materials are promising candidates for
gas sensing with high responsivity, good selectivity, fast response/recovery, great …

In this Review, we aim to provide an updated summary of the research related to hollow
micro-and nanostructures, covering both their synthesis and their applications. After a brief …

Abstract Three-dimensional (3D) hierarchical Cu 2 O-CuO microflowers assembled by
nanorods were successfully obtained through an environmentally friendly hydrothermal …

Flexible gas sensors have recently attracted researcher's great attention due to their
applications in wearable electronics for different fields like environmental protection, food …

SnO 2 has been extensively used in the detection of various gases. As a gas sensing
material, SnO 2 has excellent physical-chemical properties, high reliability, and short …

Noble metal-metal oxide nanohybrids play an ever-increasing role in photocatalytic
applications. Here, a ZnO-Ag nanoparticle prepared by a modified polymer-network gel …

NiO/ZnO composites were synthesized by decorating numerous NiO nanoparticles on the
surfaces of well dispersed ZnO hollow spheres using a facile solvothermal method. Various …

Interest in detecting and determining concentrations of toxic and flammable gases has
constantly been on the increase in recent years due to increase of modernization …

A core-shell heterostructure nanofibers (NFs) have been synthesized via a coaxial
electrospinning approach. Two semiconducting metal oxides (SMOX) with different work …