研究目的
Investigating the synthesis and application of a novel functionalized black phosphorus nanocomposite for biosensing.
研究成果
The IL/PDDA/BP nanocomposite was successfully prepared and used as a matrix for Hb immobilization, achieving fast direct electron transfer and excellent electro-catalytic response toward nitrite. This strategy opens a new avenue for fabricating BP-based biosensors.
研究不足
The susceptibility of BP towards water and oxygen and the resultant degradation especially upon the irradiation of visible light limit BP’s application in practical work.
1：Experimental Design and Method Selection:
The synthesis of IL/PDDA/BP nanocomposite through a non-covalent method.
2：Sample Selection and Data Sources:
Bulk black phosphorus crystal, PDDA, Hb, NaNO2, and ionic liquid were used.
3：List of Experimental Equipment and Materials:
Transmission electron microscopy (JEM-2100F system, JEOL, Japan), FT-IR spectrometer (Nicolet iS10 FT-IR, Thermo Fisher Scientific, USA), CHI 660E electrochemical workstation (CH Instrument Inc., USA).
4：Experimental Procedures and Operational Workflow:
BP nanoflakes were obtained through water-phase liquid exfoliation, mixed with PDDA to form PDDA/BP, then mixed with IL to form IL/PDDA/BP, and finally used to immobilize Hb for biosensor fabrication.
5：Data Analysis Methods:
Cyclic voltammetry and amperometric response analysis.
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