Journal
MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS
Volume 110, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.msec.2020.110747
Keywords
Adrenaline; Electrochemical sensor; Pt nanoparticles; Cerium oxide; Ordered mesoporous carbon
Categories
Funding
- Priority Strategy Project of Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education [ts2019003]
- Natural Science Foundation of Hebei Province [B2019201407, B2018201214, B2018201221]
- Advanced Talents Incubation Program of the Hebei University [801260201026, 801260201023]
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The preparation of Pt/cerium oxide and highly ordered mesoporous carbon (Pt/CeO2/OMC) nanohybrids is reported. CeO2 can be used as an active material that enhances the electrocatalytic properties of Pt nanoparticles. OMC exhibits excellent electrical conductivity and large specific surface area, which makes it a highly promising electrocatalyst support. Benefiting from the synergistic effects of the catalytic performance of Pt/CeO2 and excellent conductivity of OMC supports, the new nanocomposite of Pt/CeO2/OMC are able to create novel features of electrocatalytic activities. Pt/CeO2/OMC tri-component composite was used as an excellent sensing platform for the determination of adrenaline. The developed sensor exhibited excellent activity and convincing analytical performance towards adrenaline, such as wide linear range, high sensitivity, low limit of detection, and low limit of quantification. In addition, the recoveries ranging from 93.4 to 103.6% were obtained in human serum samples. The successful preparation of Pt/CeO2/OMC tri-component composite may promote the development of novel electrocatalyst and facilitate the design of new electrochemical sensors.
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