Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 20, Issue 25, Pages 5190-5195Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm00094a
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Funding
- National Basic Research Program of China [2010CB934700]
- National Natural Science Foundation of China [50732006]
- Program of International S T Cooperation [2010DFA41170]
- University of Science and Technology of China
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A photo-thermal/catalytic reduction lithography (PRL) approach for the fabrication of photoconductive patterns by 300 W Xe lamp illumination of the (PDDA/GO/PDDA/TiO)(20) hybrid films formed through layer by layer (LBL) assembly technique has been reported. High quality (PDDA/GO/PDDA/TiO)(20) hybrid films were fabricated on the glass substrate through alternative LBL self-assembly with graphene oxide (GO), titania (TiO) nanosheets, and poly(diallyldimethylammonium) (PDDA). Then, the photoconductive pattern was fabricated by illuminating the hybrid film equipped with a pre-designed aluminium foil as the shadow mask. The on-off photoconductive response of the fabricated pattern was directly tested due to the photo-electro conversion role of TiO nanosheets and electronic transportation of reduced GO (RGO) nanosheets, which shows a high photocurrent generation and good reversibility.
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