In this paper,we present a novel,reliable and sensitive electrochemical sensor for the determination of paracetamol based on hollow carbon Co3O4 nanosheets/reduced graphene oxide composite(Co3O4/r-GO).The Co3O4/r-GO w...In this paper,we present a novel,reliable and sensitive electrochemical sensor for the determination of paracetamol based on hollow carbon Co3O4 nanosheets/reduced graphene oxide composite(Co3O4/r-GO).The Co3O4/r-GO was prepared via a rapid one-step microwave solvothermal process.Some series of techniques that included scanning electron microscopy,X-ray diffraction and Raman were carried out to characterize the morphology and structure of as-prepared materials.Most importantly,the developed electrochemical sensor exhibited a wide linear range of 0.05 to 900.0μM and a low detection limit of 14.0 nM(S/N=3)by using differential pulse voltammetry.Furthermore,the selectivity,repeatability,stability and practical applicability were further studied with satisfactory results.展开更多
基金supported by the Education Bureau of the Fujian province (No. JAT160302) projectsthe Natural Science Foundation of Zhejiang province (No. LQ17C200002)the Talents’ Start-up Fund of Gannan Medical University (No. QD201825) projects。
文摘In this paper,we present a novel,reliable and sensitive electrochemical sensor for the determination of paracetamol based on hollow carbon Co3O4 nanosheets/reduced graphene oxide composite(Co3O4/r-GO).The Co3O4/r-GO was prepared via a rapid one-step microwave solvothermal process.Some series of techniques that included scanning electron microscopy,X-ray diffraction and Raman were carried out to characterize the morphology and structure of as-prepared materials.Most importantly,the developed electrochemical sensor exhibited a wide linear range of 0.05 to 900.0μM and a low detection limit of 14.0 nM(S/N=3)by using differential pulse voltammetry.Furthermore,the selectivity,repeatability,stability and practical applicability were further studied with satisfactory results.
