首页|Growth of flower-like BiOCl on 3D honeycomb-like N-doped graphitic carbon for greatly enhanced NOx gas sensing performance at room temperature
Growth of flower-like BiOCl on 3D honeycomb-like N-doped graphitic carbon for greatly enhanced NOx gas sensing performance at room temperature
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NSTL
A facile polymer heat treatment and reflux method are used for developing growth of flower-like BiOCl(BiOCl NFs)on 3D honeycomb-like N-doped graphitic carbon(N-GC)to form BiOCl/N-GC composites.The N-GC hierarchical structure effectively heightened the dispersion of BiOCl NFs,which increased the contacted area for the NOx gas molecule.Benefiting from the hierarchical structure,the(102)plane of BiOCl has a suitable adsorption energy for NOx,synergistic effect of large specific surface area and mesopores of N-GC,the formation of p-p heterojunctions,Bi-C interfacial bond,N-doping and the role of chemisorbed oxygen.The BiOCl/N-GC composites have satisfactory response and selectivity for NOx gas at room temperature.It reveals an exceptionally excellent response and response time of 52.54 and 3.2 s for NOx gas.It also exhibits a low detection limit(10 ppb)and a long-stability of 12 weeks.Thus,the BiOCl/N-GC nanocomposites are one of the most potential materials in gas sensor.
Key Laboratory of Functional Inorganic Material Chemistry,Ministry of Education.School of Chemistry and Material Science,Heilongjiang University,Harbin,150080,PR China
NSTL
