Photovoltaic performance of solid-state solar cells based on ZnO nanosheets sensitized with low-cost metal-free organic dye

Suresh, S.; Pandikumar, Alagarsamy; Murugesan, S.; Ramaraj, Ramasamy; Raj, Samuel Paul

doi:10.1016/j.solener.2011.04.016

Cited by 52 publications

(15 citation statements)

References 41 publications

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“…Sarode et al employing ZnO and TiO 2 photoanodes, respectively [71,72]. The photoconversion efficiency (η=1.47 %) of PVdF-HFP/S-TiO 2 electrolytes is 16 times higher than the reported efficiency η=0.09 % based on TiO 2 nanotube incorporated PEO electrolytes (TNT/PEO) and organic metal-free dye [70]. However, our main concern is to study the effect of STiO2 on the photo conversion efficiency of plasticized PVdF-HFP rather than plasticized PVdF-HFP/U-TiO 2 electrolytes based SSDSSC.…”

Section: Tgamentioning

confidence: 99%

Solid state metal-free eosin-Y dye sensitized solar cell based on PVdF-HFP electrolytes: combined effect of surface modified TiO2 and plasticizer on electrochemical and photovoltaic properties

Prabakaran

Mohanty

Nayak

2015

J Solid State Electrochem

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The hybrid polymer nanocomposites based on poly(vinylidene fluoride-co-hexaflouro propylene) (PVdF-HFP) as a host matrix, propylene carbonate as the plasticizer, and surface modified and unmodified TiO 2 nanoparticles as fillers for dye-sensitized solar cell applications have been prepared using a solvent casting technique. The surface of TiO 2 was modified using aminopropyltrimethoxysilane (APS), and its organic functional groups on TiO 2 were confirmed by Fourier transform infrared (FTIR) spectroscopy. The PVdF-HFP membranes were characterized by FTIR, wide-angle X-ray diffraction (WAXD), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA), atomic force microscopic (AFM), and ultraviolet-visible (UV-Vis) spectroscopic techniques. It was found a new interaction of APS molecules on TiO 2 surface with matrix as well as electrolyte salt. The experimental observations indicated a noticeable improvement in ionic conductivity of modified TiO 2 of about 6.7×10 −4 S/cm when compared with unmodified counterpart (TiO 2 ) as the filler within PVDF-HFP matrix. The solid state dye-sensitized solar cell has been fabricated by using silanemodified TiO 2 /PVdF-HFP nanocomposite electrolyte and eosin-Y as sensitizer, and its photoconversion efficiency is measured about 1.47 %.

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Section: Tgamentioning

confidence: 99%

Solid state metal-free eosin-Y dye sensitized solar cell based on PVdF-HFP electrolytes: combined effect of surface modified TiO2 and plasticizer on electrochemical and photovoltaic properties

Prabakaran

Mohanty

Nayak

2015

J Solid State Electrochem

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“…The high absorption of UV light may cause to increase the photocurrent by the formation of excitons in the composite semiconductors. The absorbance enhancement in visible region produces electricity due to the formation of free electrons, as they come from electron transfer at the interface of nano TiO 2 /ZnO and dye[29]. This increased free electron density in composite semiconductor photo anode (TiO 2 /ZnO) would give rise to increased photocurrent and thereby ϭϮ the conversion efficiency of DSSC.…”

mentioning

confidence: 99%

Solid state dye sensitized solar cells: Eosin-Y sensitized TiO2–ZnO/PEO–PVDF-HFP-MMT electrolytes/MWCNT–Nafion® counter electrode

Prabakaran

Mohanty

Nayak

2015

Ceramics International

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“…34 Other dyes which had absorption wavelengths nearer the infra-red region including heptamethine-cyanine dyes (600-800 nm), 58 and "evans blue" dye. 73 There has also been work in the use of natural dyes with ZnO nanostructured solar cells. These dyes include carotenoids bixin and norbixin from achiote seeds, 110 ixora coccinea, mulberry and beetroot.…”

Section: Dye Sensitizersmentioning

confidence: 99%

Recent Progress in ZnO-Based Nanostructured Ceramics in Solar Cell Applications

Loh

Dunn²

2012

j nanosci nanotechnol

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ZnO is widely used as an n-type semiconductor in various solar cell structures; including dye-sensitized, organic, hybrid and solid-state solar cells. Here, we review advances in ZnO-based solar cell applications, looking at the influence of morphology, as well as the effect of different materials and sensitizers. ZnO morphologies play an important role in changing the surface area and charge transport properties, affecting the performance of the solar cells. External quantum efficiencies using purely ZnO as the active material has generally been below 3% with some dye-sensitized solar cells using liquid electrolytes above 5%. Sensitizers such as organic and inorganic dyes, quantum dots and hole conductors have been shown to influence cell efficiency by improving the absorption or providing improved charge transport. The combination of ZnO with other nanomaterials such as, TiO2, SiO2 and ZrO2 in core-shell structures or buffer layers creates improved electron transport by controlling recombination at interfaces and increasing stability of the device. The highest reported efficiencies to date were from combinational structures at 7.07% for ZnO nanosheets with TiO2 nanoparticulate coating and 7% for ZnO core-TiO2 shell structures.

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Photovoltaic performance of solid-state solar cells based on ZnO nanosheets sensitized with low-cost metal-free organic dye

Cited by 52 publications

References 41 publications

Solid state metal-free eosin-Y dye sensitized solar cell based on PVdF-HFP electrolytes: combined effect of surface modified TiO2 and plasticizer on electrochemical and photovoltaic properties

Solid state metal-free eosin-Y dye sensitized solar cell based on PVdF-HFP electrolytes: combined effect of surface modified TiO2 and plasticizer on electrochemical and photovoltaic properties

Solid state dye sensitized solar cells: Eosin-Y sensitized TiO2–ZnO/PEO–PVDF-HFP-MMT electrolytes/MWCNT–Nafion® counter electrode

Recent Progress in ZnO-Based Nanostructured Ceramics in Solar Cell Applications

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