Solid state gas sensors are a core enabling technology to a range of measurement
applications including industrial, safety, and environmental monitoring. The technology …

Nowadays, the detection of volatile organic compounds (VOCs) at trace levels (down to ppb)
is feasible by exploiting ultra-sensitive and highly selective chemoresistors, especially in the …

This paper presents a ZnO–CuO p–n heterojunction chemiresistive sensor that comprises
CuO hollow nanocubes attached to ZnO spherical cores as active materials. These ZnO …

It is challenging for current metal oxides based acetone sensors to realize excellent ppb-
level acetone sensing properties at low working temperature. Herein, the hollow ZnO/MoS 2 …

The demand of acetone gas sensors with great response value and fast response/recovery
time to low concentration acetone is increasing in practical diagnosis for diabetes. In this …

A simple and effective preparation method was proposed to improve acetone gas sensing
performance based on ZnO branched p-Cu x O@ n-ZnO nanowires (NWs) by hydrothermal …

Gas sensors based on hybrid materials of graphene oxide/metal oxide semiconductors are
an effective way to improve sensor performance. In this paper, we demonstrate a high …

A robust synthesis approach to develop CuO/ZnO nanocomposites using microwave-
epoxide-assisted hydrothermal synthesis and their proficiency toward H2S gas-sensing …

By direct calcination of Cu 2+-doped ZIF-8 in oxygen atmosphere, a new photoelectric
material, CuO–ZnO heterojunction, was prepared. The morphology and structure were …

A novel ammonia (NH 3) chemical sensor is presented with ultra-high response, good
selectivity, fast response, and long-term stability using detecting layer of polyaniline/cupric …