Currentevoltage characteristics of electrochemically synthesized multi-layer graphene with polyaniline
Graphene nanosheets (GNS) synthesized through commercially available pencil lead were used to pre-pare composites with polyaniline on ITO coated PET substrate. IeV characteristics of the GNS-PANI composite device shows a decrease in band gap of PANI from 2.8 eV to 6.9 meV at 15 wt% loading of GNS...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
H. : ĐHQGHN
2018
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| Subjects: | |
| Online Access: | http://repository.vnu.edu.vn/handle/VNU_123/62837 https://doi.org/10.1016/j.jsamd.2018.01.003 |
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| Institution: | Vietnam National University, Hanoi |
| Language: | English |
| Summary: | Graphene nanosheets (GNS) synthesized through commercially available pencil lead were used to pre-pare composites with polyaniline on ITO coated PET substrate. IeV characteristics of the GNS-PANI
composite device shows a decrease in band gap of PANI from 2.8 eV to 6.9 meV at 15 wt% loading of
GNS in PANI. SEM and Raman spectroscopy show good dispersion of GNS and interfacial interaction with
the GNS-PANI composite by a significant shift in the G peak at 15 wt% GNS-PANI, further confirming the
formation of the composite at 15 wt%. Instead of the in-situ polymerization process, the polymer and
graphene were mixed externally in the desired concentrations and cast on the substrate directly, thereby
offering a good control over the composition of the composite material. |
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