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Nanotube Optoelectronic Memory Devices

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journal contribution
posted on 08.09.2004, 00:00 by Alexander Star, Yu Lu, Keith Bradley, George Grüner
We have combined carbon nanotube field effect transistor devices with a photosensitive polymer to fabricate an optoelectronic memory device. Electric charges are created upon optical illumination by the polymer−nanotube element of the structure, and charge storage occurs in the nanotube transducer. The read and erase functions are performed by a voltage applied across the nanotube channel. Spectral response of the device is adjusted by utilizing different polymers with different absorption characteristics.