Au@NiO core-shell nanoparticles as a p-type gas sensor: Novel synthesis, characterization, and their gas sensing properties with sensing mechanism

Formation mechanism of core-shell nanocrystals obtained via dehydration of coprecipitated hydroxides at hydrothermal conditions

“…Core-shell nanoparticles have garnered substantial interest due to the potential of their application in the field of biomedicine [1][2][3], catalysis [4,5], sensorics [6,7], luminophores [8], and materials for optics [9,10]. A large number of papers [1][2][3][4][5][6][7][8][9][10][11][12], that have been published recently, cover aspects of chemical synthesis, structure and properties investigation of the nanoparticles.…”

Morphology-Controlled Synthesis of BiVO4 Materials and Their Ethanol Gas Sensing Properties

“…At low working temperature (below 340 • C), oxygen species were difficult to react with ethanol molecules, producing low response. But, too high working temperature (beyond 340 • C in this study) would also lead to the escape of oxygen species before reactions, thus making the response decline [31]. It was noteworthy that the BiVO 4 sensor assistantly synthesized by PEG1000 demonstrated the highest gas response (4.23).…”

3D Flower-Like NiO Hierarchical Structures Assembled With Size-Controllable 1D Blocking Units: Gas Sensing Performances Towards Acetylene

“…In addition, a comparison about the sensing performances of NiO sensors in this work and other literature reports is summarized in Table 1 . It is not difficult to find that the needle-flower NiO based gas sensor in this paper has excellent gas sensing characteristics and has great potential to be a promising candidate for gas-sensitive materials (Lin et al, 2015 ; Lu et al, 2016 ; Majhi et al, 2018 ; San et al, 2018 ).…”