Current–voltage characteristics of electrochemically synthesized multi-layer graphene with polyaniline | Zendy

Seema Awasthi | Zendy; Priya Gopinathan | Zendy; A. Rajanikanth | Zendy; C. Bansal | Zendy

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Current–voltage characteristics of electrochemically synthesized multi-layer graphene with polyaniline

Author(s) -

Seema Awasthi,

Priya Gopinathan,

A. Rajanikanth,

C. Bansal

Publication year - 2018

Publication title -

journal of science advanced materials and devices

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.898

H-Index - 23

eISSN - 2468-2284

pISSN - 2468-2179

DOI - 10.1016/j.jsamd.2018.01.003

Subject(s) - graphene , polyaniline , materials science , composite number , raman spectroscopy , substrate (aquarium) , chemical engineering , composite material , polymerization , conductive polymer , layer (electronics) , polymer , nanotechnology , oceanography , physics , engineering , geology , optics

Graphene nanosheets (GNS) synthesized through commercially available pencil lead were used to prepare composites with polyaniline on ITO coated PET substrate. I V 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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