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Combination of Polyaniline and Graphene Oxide as Counter Electrode Composite in Dye-Sensitized Solar Cells
Risa Rahmawati Sunarya(a*)- Alvian Ikhsanu Fatya(b)- Veinardi Suendo(b)- and Rahmat Hidayat(c)

(a)Chemistry Education Study Program, Faculty of Tarbiya and Teacher Training, UIN Sunan Gunung Djati Bandung
(b)Inorganic and Physical Chemistry Research Division, FMIPA, Institut Teknologi Bandung
(c)Magnetic and Photonic Physics Research Division, FMIPA, Institut Teknologi Bandung
*Email: risarahmawatis[at]uinsgd.ac.id


Abstract

The usage of polyaniline (PANI) and graphene oxide (GO) composites film as a counter electrode in DSSC was demonstrated. PANI was prepared using a rapid mixing method at 0 C for 24 hours. While GO was synthesized using sonication-assisted oxidation of graphite. PANI and GO were blended to produce PANI/GO composites. PANI/GO composites were deposited on synthetic graphite substrate laminated onto glass and applied as the counter electrode of dye-sensitized solar cells (DSSC). PANI and GO have electrostatic interaction, phi phi stacking interaction and hydrogen bonding that accelerate charge transfer in the counter electrode. The optimum performance was obtained for PANI/GO of 3:1 w/w. Here, fill factor (FF), open circuit current (Voc), optimum short circuit current density (Jsc) and overall conversion efficiency (PCE) under AM 1.5 100 mW cm-2 illumination are 43,2%, 0.64 Volt, 7.308 mA.cm-2, and 2.25%, respectively. PANI GO composites were characterized using Raman spectrometer, Fourier-transform infrared (FTIR) spectrometer, scanning electron microscope (SEM) and solar simulator.

Keywords: Dye-sensitized solar cells, emeraldine salt polyaniline, chemically-exfoliated graphene oxide, PANI/GO composite, Platinum-free counter electrode.

Topic: Symposium on Advance of Sustainable Engineering

Plain Format | Corresponding Author (Risa Rahmawati Sunarya)

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