The Photocurrent Characteristic Analysis of the Copper Phthalocyanine Organic Thin Film Transistor Irradiated by 700 nm Monochromatic Light

Yue Zhang; Dong Xing Wang; Jia Bin Chen; Yue Shan; Jing Hua Yin; Hong Zhao

doi:10.4028/www.scientific.net/AMR.981.951

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 981The Photocurrent Characteristic Analysis of the...

The Photocurrent Characteristic Analysis of the Copper Phthalocyanine Organic Thin Film Transistor Irradiated by 700 nm Monochromatic Light

Abstract:

By using organic semiconductor CuPc as photosensitive materials, we prepared an organic thin film transistor with the vertical structure consisted of metal Cu/ organic semiconductor CuPc/ Al/ organic semiconductor CuPc/ indium tin oxide ITO. CuPc semiconductor material has good photosensitive properties in the 700 nm light. When the light signal irradiates organic semiconductor photosensitive material, the electron-hole exciton is separated into photocurrent in built-in electric field produced by organic semiconductor material/ metal schottky contact. It transforms into the driving current of organic photoelectric triode. By using its current amplification effect, the output current increase obviously. The test result shows that the I-V characteristics of the transistor are obvious unsaturated triode characteristics. When using 700 nm light to irradiate the device, the working current of the device increases obviously.

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Periodical:

Advanced Materials Research (Volume 981)

Pages:

951-954

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.981.951

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Online since:

July 2014

Authors:

Yue Zhang*, Dong Xing Wang, Jia Bin Chen, Yue Shan, Jing Hua Yin, Hong Zhao

Keywords:

CuPc, Organic Semiconductor, Photoelectric Properties, Thin Film Transistor

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