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Abstract We investigated anomalous photocurrent behavior in organic field-effect transistors(OFETs) based on C60 thin film. With increasing incident optical power, it was interesting to observe the photocurrent decreases. The inverse… Click to show full abstract
Abstract We investigated anomalous photocurrent behavior in organic field-effect transistors(OFETs) based on C60 thin film. With increasing incident optical power, it was interesting to observe the photocurrent decreases. The inverse photocurrent was mainly dependent on intensity of the light, not the wavelength. Meanwhile, this paper revealed that the main sources of the negative photocurrent were not the electrodes, channel and the interface effect but a distinct optoelectronic property of the C60 material itself. Such mechanism of photocurrent may find potential applications in the future.
Journal Title: Chemical Physics Letters
Year Published: 2020
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