%0 Journal Article
%T Calcination Method Synthesis of SnO2/g-C3N4 Composites for a High-Performance Ethanol Gas Sensing Application
%A Bo Zhang
%A Cong Qin
%A Guang Sun
%A Hari Bala
%A Huoli Zhang
%A Jianliang Cao
%A Yan Wang
%A Yuxiao Gong
%A Zhanying Zhang
%J Archive of "Nanomaterials".
%D 2017
%R 10.3390/nano7050098
%X The SnO2/g-C3N4 composites were synthesized via a facile calcination method by using SnCl4กค5H2O and urea as the precursor. The structure and morphology of the as-synthesized composites were characterized by the techniques of X-ray diffraction (XRD), the field-emission scanning electron microscopy and transmission electron microscopy (SEM and TEM), energy dispersive spectrometry (EDS), thermal gravity and differential thermal analysis (TG-DTA), and N2-sorption. The analysis results indicated that the as-synthesized samples possess the two dimensional structure. Additionally, the SnO2 nanoparticles were highly dispersed on the surface of the g-C3N4nanosheets. The gas-sensing performance of the as-synthesized composites for different gases was tested. Moreover, the composite with 7 wt % g-C3N4 content (SnO2/g-C3N4-7) SnO2/g-C3N4-7 exhibits an admirable gas-sensing property to ethanol, which possesses a higher response and better selectivity than that of the pure SnO2-based sensor. The high surface area of the SnO2/g-C3N4 composite and the good electronic characteristics of the two dimensional graphitic carbon nitride are in favor of the elevated gas-sensing property
%K graphitic carbon nitride
%K SnO2
%K calcination method
%K SnO2/g-C3N4 composite
%K ethanol gas sensing
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5449979/