Method for preparing cross nanofiber P-N heterojunction array
A nanofiber and heterojunction technology, applied in the fields of nanotechnology, nanotechnology, nanotechnology for information processing, etc., can solve the problems such as the inability to precisely control the angle of the distance crossing nanofibers, and achieve easy mass production and scientific principles. Reliable, environmentally friendly results
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[0016] In this example, a three-dimensional adjustable low-voltage near-field in-situ electrospinning device is used to realize the preparation of crossed nanofiber P-N heterojunction arrays, and the conductive polymer PEDOT (poly 3,4-dioxyethylthiophene, p-type organic semiconductor) and ZnO (n-type metal oxide inorganic semiconductor) as raw materials to prepare intersecting nanofiber P-N heterojunction arrays. The specific preparation process is as follows:
[0017] (1) Preparation of ZnO spinning precursor solution: 8.5 grams of absolute ethanol and 1.5 grams of polyvinylpyrrolidone (PVP) were mixed and stirred at room temperature for 2-4 hours to obtain a homogeneous and transparent 15wt% PVP solution; then 1.0 gram of zinc acetate, 2.0 grams of absolute ethanol, and 0.2 grams of distilled water were mixed and heated to 60-80° C. and stirred for 8-12 minutes to obtain a mixed solution. After the solid was completely dissolved, the mixed solution was all transferred to a pr...
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