Construction of organic gate electrochemical transistor biosensor

[0042] The preparation method of PEDOT / PSS thin film organic electrochemical transistor biosensor comprises the following steps:

[0043] 1) Add the original PEDOT / PSS aqueous solution into the dispersion liquid DMSO and sonicate for 30 minutes. Then, PEDOT / PSS films were prepared by vacuum filtering the solution onto a porous PVDF membrane. The film was then transferred to a glass substrate, and the prepared film was dried at 120° C. for 15 minutes. In the final step, all PEDOT / PSS films were annealed at 185 °C for 1 h.

[0044] 2) PEDOT / PSS thin film OECT device structure such as figure 1shown. Prepare two pieces of the PEDOT / PSS film obtained in step (1), cut into a rectangle), one as the source and drain material (channel material), and the other as the gate material, and transfer them to a transparent PET flexible substrate (no need to use adhesive binder, the PEDOT / PSS film can be well bonded to the flexible substrate after annealing). Use two insulated copper wires...

[0046] The preparation method of PEDOT / PSS thin film organic electrochemical transistor biosensor comprises the following steps:

[0047] 1) Add the original PEDOT / PSS aqueous solution into the dispersion EtOH and sonicate for 30 minutes. Then, PEDOT / PSS films were prepared by vacuum filtering the solution onto a porous PVDF membrane. The film was then transferred to a glass substrate, and the prepared film was dried at 120° C. for 15 minutes. In the final step, all PEDOT / PSS films were annealed at 185 °C for 1 h.

[0048] 2) PEDOT / PSS thin film OECT device structure such as figure 1 shown. Prepare two pieces of the PEDOT / PSS film obtained in step (1), cut into a rectangle), one as the source and drain material (channel material), and the other as the gate material, and transfer them to a transparent PET flexible substrate (no need to use adhesive binder, the PEDOT / PSS film can be well bonded to the flexible substrate after annealing). Use two insulated copper wires to co...

[0050] The preparation method of PP thin film organic electrochemical transistor biosensor comprises the following steps:

[0051] 1) Add the original PEDOT / PSS aqueous solution into the dispersion EG and sonicate for 30 minutes. Then, PEDOT / PSS films were prepared by vacuum filtering the solution onto a porous PVDF membrane. The film was then transferred to a glass substrate, and the prepared film was dried at 120° C. for 15 minutes. In the final step, all PEDOT / PSS films were annealed at 185 °C for 1 h.

[0052] 2) PEDOT / PSS thin film OECT device structure such as figure 1 shown. Prepare two PEDOT / PSS films obtained in step (1), cut into rectangles), one as the source and drain material (channel material), and the other as the gate material, and transfer them to a transparent polyacrylamide flexible substrate (no need Using a binder, the PEDOT / PSS film is well bonded to the flexible substrate after annealing). Use two insulated copper wires to connect the two ends of th...