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Field-effect transistors based on organic polymer semiconductors have the advantages of flexibility, low cost, light weight, and large-area preparation, and can be applied to the fields of IoT smart electronic devices and bio-wearable devices
.
Recently, researchers from the Organic Solids Laboratory of the Institute of Chemistry, Chinese Academy of Sciences have made progress in the field of light-regulated organic polymer semiconductor performance
.
The researchers introduced the azophenyl group into the side chain of the organic polymer semiconductor and found that the crystallinity of the semiconductor film can be reversibly controlled by ultraviolet and visible light, and then the semiconductor performance can be reversibly adjusted, and the light response speed is fast and the device stability is good.
The advantages
.
On this basis, the researchers further designed and synthesized PDPYA, a conjugated acceptor polymer containing pyrazole azobenzene units in the side chain, and constructed an organic field effect transistor that can be reversibly regulated by near-infrared light
.
It exhibits more excellent light stability and shows potential value in applications such as memory devices
.
The researchers further introduced two different azophenyl groups in the side chain of the organic polymer semiconductor, designed and synthesized the organic polymer semiconductor POMPYA, and realized the illumination of 560 nanometers, 365 nanometers, and 470 nanometers.
POMPYA thin film field-effect transistor device performance can be reversibly adjusted, and can reach triple stable conduction states in sequence, and the three states can be reversibly converted by light of a specific wavelength, which provides for the construction of light-controlled multiple stable organic field effect transistors.
New ideas
.
.
Recently, researchers from the Organic Solids Laboratory of the Institute of Chemistry, Chinese Academy of Sciences have made progress in the field of light-regulated organic polymer semiconductor performance
.
The researchers introduced the azophenyl group into the side chain of the organic polymer semiconductor and found that the crystallinity of the semiconductor film can be reversibly controlled by ultraviolet and visible light, and then the semiconductor performance can be reversibly adjusted, and the light response speed is fast and the device stability is good.
The advantages
.
On this basis, the researchers further designed and synthesized PDPYA, a conjugated acceptor polymer containing pyrazole azobenzene units in the side chain, and constructed an organic field effect transistor that can be reversibly regulated by near-infrared light
.
It exhibits more excellent light stability and shows potential value in applications such as memory devices
.
The researchers further introduced two different azophenyl groups in the side chain of the organic polymer semiconductor, designed and synthesized the organic polymer semiconductor POMPYA, and realized the illumination of 560 nanometers, 365 nanometers, and 470 nanometers.
POMPYA thin film field-effect transistor device performance can be reversibly adjusted, and can reach triple stable conduction states in sequence, and the three states can be reversibly converted by light of a specific wavelength, which provides for the construction of light-controlled multiple stable organic field effect transistors.
New ideas
.
