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Photo-Activated Interaction Between P3HT and Single-Walled Carbon Nanotubes Studied by Means of Field-Effect Response

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5 Author(s)
Zhang, Zhi-Bin ; iPack Vinn Excellence Center, R. Inst. of Technol. (KTH), Kista, Sweden ; Li, Jiantong ; Minni Qu ; Lopez Cabezas, Ana
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It is shown in this letter that the field-effect electrical response of transistors with their channel made of networks of single-walled carbon nanotubes (SWNTs) embedded in a poly(3-hexylthiophene) (P3HT) matrix can be significantly altered by light illumination. The experimental results indicate a photo-activated electron transfer from P3HT selectively to the semiconducting SWNTs. This finding points to a potential optoelectronic application of such a field-effect device as a photo-triggered electronic switch.

Published in:

Electron Device Letters, IEEE  (Volume:30 ,  Issue: 12 )