Electropolymerized polyaniline/graphene nanoplatelet/multi-walled carbon nanotube composites as counter electrodes for high performance dye-sensitized solar cells

Shih, Yu-Jen; Lin, Hsiao-Li; Lin, Kai

doi:10.1016/j.jelechem.2017.04.010

Cited by 42 publications

(5 citation statements)

References 53 publications

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“…Polyaniline (0.5 g) was then suspended in ethylene glycol (3 mL). This polymer suspension was additionally blended with redox electrolyte in 1:1 proportion by weight to be used as an electrolyte 22,24,28‐31 . Polyaniline was used since as per our previous findings it helped improve the carrier transportation ability of electrolyte and thereby increased the overall efficiency of the cell 24,29,32 …”

Section: Methodsmentioning

confidence: 99%

“…This polymer suspension was additionally blended with redox electrolyte in 1:1 proportion by weight to be used as an electrolyte. 22,24,[28][29][30][31] Polyaniline was used since as per our previous findings it helped improve the carrier transportation ability of electrolyte and thereby increased the overall efficiency of the cell. 24,29,32 3.3 | Preparation of dye sensitizers 10 mg of N3 dye powder was added to 30 mL of anhydrous ethanol for 20 hours to prepare the N3 (standard dye) solution.…”

Section: /Imentioning

confidence: 97%

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Effect of using betalain, anthocyanin and chlorophyll dyes together as a sensitizer on enhancing the efficiency of dye‐sensitized solar cell

2020

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The paper explored the mechanism of working of dye sensitizers for the improvement of efficiency of environmentally benign dye-sensitized solar cells (DSSC). The identified natural dyes namely anthocyanin (A), betalain (B) and chlorophyll (C) were extracted from Roselle (Hibiscus sabdariffa L.), spinach (Spinacia oleracea) and beetroot (Beta vulgaris) respectively. Light absorption performance of dyes was recorded by ultraviolet-visible (UV-vis) spectroscopic analysis followed by direct and indirect band gap calculation. The effect of functional groups present in the dyes studied by Fourier transform infrared spectroscopy (FTIR) and binding of the dyes on TiO 2 through surface morphology of sheets was identified employing field emission scanning electron microscopy (FESEM). Photovoltage characteristics (I-V) and induced photon to current efficiency (IPCE) measurements were also noted followed by the stability studies. The N3 (synthetic dye chosen for the reference) dye-based cell showed the highest efficiency of 6.19% out of all of 11 cells fabricated using different sensitizers. The DSSC fabricated using the novel mixed dye (ABC) mixture gave the highest efficiency of 3.73%, however it showed similar drop (almost 22%) in efficiency as that with of N3 dye in stability studies. The mechanism for the increase in the overall power conversion efficiency of DSSC was also suggested.

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Section: Methodsmentioning

confidence: 99%

Section: /Imentioning

confidence: 97%

Effect of using betalain, anthocyanin and chlorophyll dyes together as a sensitizer on enhancing the efficiency of dye‐sensitized solar cell

2020

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“…Chen et al 42 reported CoSe 0.85 /graphene nanocomposites as a CE for DSSC that yielded a PCE of 8.17% which is superior to bare CoSe 0.85 ‐based CE. Shih et al 43 reported that the CE fabricated by PANI/graphene nanoplatelet/multi‐walled carbon nanotubes‐based composites yielded high power conversion efficiency. Li et al 44 studied that DSSC with PANI‐SO 4 shows up to 5.6% of efficiency.…”

Section: Introductionmentioning

confidence: 99%

Cobalt selenide decorated polyaniline composite nanofibers as a newer counter electrode for dye‐sensitized solar cell

Sowbakkiyavathi

Murugadoss

Sittaramane

et al. 2021

Polymers for Advanced Techs

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The cobalt selenide nanoparticles (CoSe NPs) were prepared by a simple hydrothermal method, and polyaniline nanofibers (PANI NFs) were prepared by a chemical oxidative polymerization and its composite NFs were prepared by incorporating CoSe onto PANI at the optimized wt% 1:1 by ultrasonication to use as a newer photocathode for dye‐sensitized solar cells (DSSCs). The physio‐chemical properties of the prepared CoSe NPs/PANI NFs composite NFs were investigated by field emission scanning electron microscope, X‐ray diffractometer, and Raman spectroscopy. The results revealed that the phase pure CoSe NPs were decorated onto the PANI NFs without affecting their physio‐chemical nature. The electrochemical characteristics of CoSe NPs/PANI NFs composite NFs as photocathode were investigated by electrochemical AC‐impedance, cyclic voltammetry, and Tafel polarization studies. The CoSe decorated PANI composite NFs displayed excellent electrocatalytic behavior toward the tri‐iodide reduction. Further, DSSC fabricated with CoSe/PANI composite NFs as the photocathode exhibited the highest photoconversion efficiency of 9.14% than that of the pristine CoSe NPs and PANI NFs‐based counter electrodes (CEs). This is attributed to the synergistic electrocatalytic ability of CoSe NPs and the multiple interfacial charge transferability of PANI NFs. These results suggest that CoSe decorated PANI composite NFs could be used as a promising CE to fabricate high‐performance DSSC.

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“…The advancement of nanocomposites could be achieved through designing suitable morphology by following a proper method of preparation 16 . The binary hybrid nanocomposites, prepared from organic–inorganic (metal oxide‐graphene/metal oxide‐PANI) 17,18 and organic–organic (graphene‐CP hybrids are studied extremely 19–21 . Compare to a binary hybrid system, 22 ternary hybrid nanocomposites 23–25 (e.g.…”

Section: Introductionmentioning

confidence: 99%

Electrosynthesis of polyaniline‐based composite films and their electrochemical activity

Bumika

Mallick

Palai

et al. 2020

J of Applied Polymer Sci

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Herein, we report the synthesis of organic-inorganic hybrids of polyaniline-rGO-ZnO (PRZ) ternary composite materials for a potential application in dyesensitized solar cell (DSSC). A facile all-electrochemical method was adopted for the deposition of PRZ films on FTO-coated glass substrate. The PRZ hybrid assembly was subsequently characterized by X-ray diffraction, Raman spectroscopy, scanning electron microscopy (SEM), cyclic voltammetry, and photoelectrochemical measurements. Further, the morphological and elemental composition features of PRZ were monitored by field emission SEM and EDX, respectively. Electrochemical impedance spectra suggest that the chargetransfer resistance for the ternary composite is distinctly decreased. The maximum conversion efficiency of DSSC with PRZ counter electrode reaches 2.84%, which is higher than that of polyaniline-reduced graphene oxide (rGO) counter electrode. This ternary composite (PRZ) with organic-inorganic hybrid architecture showing an enhanced photoelectrochemical activity might be exploited in future as a promising material for application in next-generation solar devices.

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Electropolymerized polyaniline/graphene nanoplatelet/multi-walled carbon nanotube composites as counter electrodes for high performance dye-sensitized solar cells

Cited by 42 publications

References 53 publications

Effect of using betalain, anthocyanin and chlorophyll dyes together as a sensitizer on enhancing the efficiency of dye‐sensitized solar cell

Effect of using betalain, anthocyanin and chlorophyll dyes together as a sensitizer on enhancing the efficiency of dye‐sensitized solar cell

Cobalt selenide decorated polyaniline composite nanofibers as a newer counter electrode for dye‐sensitized solar cell

Electrosynthesis of polyaniline‐based composite films and their electrochemical activity

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