Solar blind type organic-inorganic composite ultraviolet detector
An inorganic composite, ultraviolet light technology, applied in the field of detectors, can solve the problems of increasing the contact probability, unfavorable device working for a long time, etc., to avoid interference and achieve the effect of selective response
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Embodiment 1
[0021] The quartz substrate was ultrasonically washed with detergent, isopropanol, ethanol, and acetone in sequence for 5 minutes, then rinsed with deionized water and dried. A layer of metal aluminum with a thickness of 2 nm was vacuum-deposited on the quartz substrate. After UV-ozone treatment, a PEDOT:PSS (polyaniline derivative) electrode modification layer with a thickness of about 40 nm was prepared by spin coating, and baked at 120 °C. Remove after 15 minutes of baking. D (R is pyrazine) was chosen as the donor material, and sodium tantalate (particle size 3 nm) was chosen as the acceptor material A. First, D with a thickness of about 30 nm was prepared by spin coating on PEDOT:PSS, and then A with a thickness of about 20 nm was prepared by solution spin coating on the D film. The above two layers constitute an organic-inorganic composite of a planar heterojunction structure. active layer. Finally, 1 nm thick LiF and 100 nm thick aluminum electrodes were sequentially ...
Embodiment 2
[0023] The quartz substrate was ultrasonically washed with detergent, isopropanol, ethanol, and acetone in sequence for 5 minutes, then rinsed with deionized water and dried. A layer of metallic silver with a thickness of 20 nm was vacuum-deposited on the quartz substrate. After UV-ozone treatment, a PEDOT:PSS (polyaniline derivative) electrode transmission layer with a thickness of about 40 nm was prepared by spin coating, and baked at 120 °C. Remove after 15 minutes of baking. D (R is pyridine) was chosen as the donor material, and sodium tantalate (particle size 30 nm) was chosen as the acceptor material A. A mixed film with a thickness of about 70 nm was prepared by solution spin coating on PEDOT:PSS. The weight ratio of donor material D:acceptor material A in the mixed film was 95:5, forming an organic-inorganic structure with a bulk heterojunction structure. Composite active layer. Finally, 1 nm thick LiF and 200 nm silver electrodes were prepared sequentially by vacuu...
Embodiment 3
[0025] The quartz substrate was ultrasonically washed with detergent, isopropanol, ethanol, and acetone in sequence for 5 minutes, then rinsed with deionized water and dried. A layer of silver / aluminum mixture with a thickness of 15 nm was vacuum-deposited on a quartz substrate, and after UV-ozone treatment, a PEDOT:PSS (polyaniline derivative) electrode modification layer with a thickness of about 40 nm was prepared by spin coating at 120°C Remove after 15 minutes of baking. D (R is pyrimidine) was chosen as the donor material, and sodium tantalate (particle size 10 nm) was chosen as the acceptor material A. First, D with a thickness of about 30 nm was prepared by vacuum evaporation on PEDOT:PSS, and then A with a thickness of about 30 nm was prepared by solution spin coating on the D film. The above two layers constitute a planar heterojunction structure. - Inorganic composite active layer. Finally, 1 nm thick LiF and 300 nm gold electrodes were prepared sequentially by va...
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