Open?Bandgap Graphene?Based Field?Effect Transistor Using Oligo(phenylene?ethynylene) Interfacial Chemistry
نویسندگان
چکیده
Organic interfacial compounds (OICs) are required as linkers for the highly stable and efficient immobilization of bioprobes in nanobiosensors using 2D nanomaterials such graphene. Herein, we first demonstrated fabrication a field-effect transistor (FET) via microelectromechanical system process after covalent functionalization on large-scale graphene by introducing oligo(phenylene-ethynylene)amine (OPE). OPE was compared to various OICs density functional theory simulations confirmed have higher binding energy with lower band gap than other OICs. can improve efficiency bioprobe forming self-assembly monolayer anion-based reaction. Using this technology, Magainin I-conjugated OGMFET (MOGMFET) showed high sensitivity, selectivity, limit detection 100 cfu mL?1. These results indicate that OIC be applied comfortable interfacing technology biosensor fabrication.
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ژورنال
عنوان ژورنال: Angewandte Chemie
سال: 2022
ISSN: ['1521-3773', '1433-7851', '0570-0833']
DOI: https://doi.org/10.1002/ange.202209726