CeO2-Based Two-Dimensional Layered Nanocomposites Derived from a Metal-Organic Framework for Selective Electrochemical Dopamine Sensors

Ge, Chengjie1; Ramachandran, Rajendran1,2; Wang, Fei1,3

2020-09

10.3390/s20174880

SENSORS   影响因子和分区

1424-8220

1424-8220

In this work, we demonstrate the incorporation of two-dimensional (2D) layered materials into a metal-organic framework (MOF) derived from one-dimensional (1D) cerium oxide (CeO2) for the electrochemical detection of dopamine. Ce-MOF was employed as a sacrificial template for preparing CeO(2)with 2D materials by the pyrolysis process. The influence of the pyrolysis temperature was studied to achieve a better crystal structure of CeO2. Siloxene improved the dopamine sensing performance of CeO(2)compared with graphitic carbon nitride (g-C3N4) due to the basal plane surface oxygen and hydroxyl groups of 2D siloxene. Under optimal conditions, the fabricated CeO2/siloxene electrode exhibited a detection limit of 0.292 mu M, with a linear range from 0.292 mu M to 7.8 mu M. This work provides a novel scheme for designing the CeO(2)material with siloxene for excellent dopamine sensors, which could be extended towards other biosensing applications.

differential pulse voltammetry CATALYTIC-ACTIVITY dopamine CO CeO2 NANOPARTICLES siloxene MOF PERFORMANCE GRAPHENE G-C3N4 OXIDE ELECTRODES PYROLYSIS

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China[51950410598] ; Shenzhen Science and Technology Innovation Committee[JCYJ20170412154426330] ; Guangdong Natural Science Funds[2016A030306042][2018A050506001]

Chemistry ; Engineering ; Instruments & Instrumentation

Chemistry, Analytical ; Engineering, Electrical & Electronic ; Instruments & Instrumentation

WOS:000571159500001

MDPI

20203509120620

Carbon nitride ; Silicon compounds ; Pyrolysis ; Crystal structure ; Neurophysiology ; Amines ; Chemical detection ; Voltammetry

Medicine and Pharmacology:461.6 ; Chemistry:801 ; Electrochemistry:801.4.1 ; Chemical Reactions:802.2 ; Organic Compounds:804.1 ; Inorganic Compounds:804.2 ; Crystal Lattice:933.1.1

CHEMISTRY

Web of Science

1.Southern Univ Sci & Technol, Sch Microelect, Shenzhen 518055, Peoples R China;
2.Southern Univ Sci & Technol, SUSTech Acad Adv Interdisciplinary Studies, Shenzhen 518055, Peoples R China;
3.Minist Educ, Engn Res Ctr Integrated Circuits Next Generat Com, Shenzhen 518055, Peoples R China

Ge, Chengjie,Ramachandran, Rajendran,Wang, Fei. CeO2-Based Two-Dimensional Layered Nanocomposites Derived from a Metal-Organic Framework for Selective Electrochemical Dopamine Sensors[J]. SENSORS,2020,20(17):1-13.

Ge, Chengjie,Ramachandran, Rajendran,&Wang, Fei.(2020).CeO2-Based Two-Dimensional Layered Nanocomposites Derived from a Metal-Organic Framework for Selective Electrochemical Dopamine Sensors.SENSORS,20(17),1-13.

Ge, Chengjie,et al."CeO2-Based Two-Dimensional Layered Nanocomposites Derived from a Metal-Organic Framework for Selective Electrochemical Dopamine Sensors".SENSORS 20.17(2020):1-13.