Functionalized metal oxide nanoparticles for efficient dye-sensitized solar cells (DSSCs): A review

Kumar, Dinesh; Křı́ž, Jan; Bennett, Nick; Chen, Baixin; Upadhayaya, H.; Reddy, Kakarla Raghava; Sadhu, Veera

doi:10.1016/j.mset.2020.03.003

Cited by 60 publications

(32 citation statements)

References 90 publications

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“…However, the slight decrease in the FF of the device decreases the PCE comparatively. The FF of the device is directly correlated with the internal series resistance contributed by each component of the device, including contact resistance between the CE and the substrate; bulk resistance of the CE material; interfacial resistance between the dye and the electrolyte; electron transport resistance in the photoanode; diffusion resistance in the electrolyte, and charge transfer resistance at the CE/electrolyte interface. , The electrochemical tests performed with the TiN NFB CE showed good electrochemical performance compared to Pt. The CV result showed higher I p (2.20 mA/cm 2 ) and lower Δ E p (0.228 V) values than Pt CE ( I p = 2.00 mA/cm 2 , Δ E p = 0.425 V), which shows its fast reaction kinetics and superior electrocatalytic activity compared to Pt.…”

Section: Resultsmentioning

confidence: 99%

Titanium Nitride Nanoflower Buds as Pt-Free Counter Electrodes for Dye-Sensitized Solar Cells

Gnanasekar

Grace

2021

ACS Appl. Nano Mater.

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The nanostructure of titanium nitride was synthesized and investigated as a counter electrode (CE) to replace the conventional platinum CE for dye-sensitized solar cells (DSSCs). Titanium nitride nanoflower buds (TiN NFBs) were successfully prepared by a simple and efficient method of ammonialization of hydrothermally prepared titanium dioxide nanobuds with mixed anatase and rutile phase. Titanium nitride, with its unique nanostructure, exhibits good surface property with a wide range of porosity distribution, which is attributed to the possible electrocatalytic active sites. The electrochemical studies performed show that TiN NFBs demonstrate high electrocatalytic activity toward the iodide/triiodide electrolyte and exhibit good charge transfer kinetics with low charge transfer resistance comparable to the performance of the platinum electrode. The photocurrent voltage characteristics of the TiN NFB CE assembled DSSC shows that it achieves a power conversion efficiency (PCE) of 7.0%, which is very close to the PCE reached for the Pt CE based DSSC (7.4%). The 30 day stability study reveals the highly stable performance of the TiN NFB CE based DSSC and good corrosion resistance toward the iodide/triiodide redox electrolyte. Thus, the overall performance of the TiN NFB encourages further research to prepare different TiN nanostructures to replace the conventional costly Pt CE for large area DSSCs to reach the consumer market.

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Section: Resultsmentioning

confidence: 99%

Titanium Nitride Nanoflower Buds as Pt-Free Counter Electrodes for Dye-Sensitized Solar Cells

Gnanasekar

Grace

2021

ACS Appl. Nano Mater.

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“…The functionalization of colloidal nanoparticles (NPs) with organic dyes has attracted significant interests due to the promising applications of these hybrid systems in different fields, such as photovoltaics [ 1 , 2 , 3 , 4 ], photoswitchable non-fluorescent thermochromic hybrid probes [ 5 ], heterogeneous photocatalysis [ 6 ], upconversion and down-conversion of energy [ 7 , 8 , 9 , 10 ], sensing and fluorescence imaging [ 11 , 12 , 13 , 14 , 15 , 16 , 17 ], binding and removal of toxic dyes and heavy metal ions from water [ 18 , 19 , 20 ], surface-enhanced Raman spectroscopy [ 21 , 22 ], etc. Depending on the surface chemistry of NPs, binding and immobilization of dye molecules on the surface of NPs can occur due to covalent bonding, H-bonding and/or physisorption.…”

Section: Introductionmentioning

confidence: 99%

Assembling Near-Infrared Dye on the Surface of Near-Infrared Silica-Coated Copper Sulphide Plasmonic Nanoparticles

et al. 2023

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Functionalization of colloidal nanoparticles with organic dyes, which absorb photons in complementary spectral ranges, brings a synergistic effect for harvesting additional light energy. Here, we show functionalization of near-infrared (NIR) plasmonic nanoparticles (NPs) of bare and amino-group functionalized mesoporous silica-coated copper sulphide (Cu2-xS@MSS and Cu2-xS@MSS-NH2) with specific tricarbocyanine NIR dye possessing sulfonate end groups. The role of specific surface chemistry in dye assembling on the surface of NPs is demonstrated, depending on the organic polar liquids or water used as a dispersant solvent. It is shown that dye binding to the NP surfaces occurs with different efficiency, but mostly in the monomer form in polar organic solvents. Conversely, the aqueous medium leads to different scenarios according to the NP surface chemistry. Predominant formation of the disordered dye monomers occurs on the bare surface of mesoporous silica shell (MSS), whereas the amino-group functionalized MSS accepts dye predominantly in the form of dimers. It is found that the dye–NP interaction overcomes the dye–dye interaction, leading to disruption of dye J-aggregates in the presence of the NPs. The different organization of the dye molecules on the surface of silica-coated copper sulphide NPs provides tuning of their specific functional properties, such as hot-band absorption and photoluminescence.

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“…After the dye-sensitized solar cell was invented in 1991 [21], it has become the focus of many researchers due to its many advantages. However, after several years of research and development by many researchers worldwide, the current laboratory efficiency is still only about 13% [22,23], not to mention the many limitations that need to be overcome in production. In recent years, DSSCs have been developing toward higher stability, higher efficiency, and lower cost [24].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Efficiency of Dye-Sensitized Solar Cells Based on Polymer-Assisted Dispersion of Platinum Nanoparticles/Carbon Nanotubes Nanohybrid Films as FTO-Free Counter Electrodes

Chen

et al. 2021

Polymers

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In this study, polymer-assisted dispersants are used to stabilize the nanohybrids of platinum nanoparticles (PtNPs)/carbon nanotubes (CNTs) through non-covalent bond forces. These dispersants aim to replace the florine-doped tin oxide (FTO) glass in traditional dye-sensitized solar cells (DSSCs) as counter electrodes. The large specific surface area, high conductivity, and redox potential of PtNPs/CNT nanohybrids are used as the basis to utilize them as the counter electrode material to fabricate a dye-sensitized solar cell. The conductivity results indicate that the resistance of the PtNP/CNT nanohybrid film can be reduced to 7.25 Ω/sq. When carbon nanotubes are mixed with platinum nanoparticles at a weight ratio of 5/1, the photoelectric conversion efficiency of DSSCs can reach 6.28%. When using the FTO-containing substrate as the counter electrode, its conversion efficiency indicates that the micro-/nano-hybrid material formed by PtNPs/CNTs also exhibits an excellent photoelectric conversion efficiency (8.45%) on the traditional FTO substrate. Further, a large-area dye-sensitive cell is fabricated, showing that an 8 cm × 8 cm cell has a conversion efficiency of 7.95%. Therefore, the traditional Pt counter electrode can be replaced with a PtNP/CNT nanohybrid film, which both provides dye-sensitive cells with a high photoelectric conversion efficiency and reduces costs.

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Functionalized metal oxide nanoparticles for efficient dye-sensitized solar cells (DSSCs): A review

Cited by 60 publications

References 90 publications

Titanium Nitride Nanoflower Buds as Pt-Free Counter Electrodes for Dye-Sensitized Solar Cells

Titanium Nitride Nanoflower Buds as Pt-Free Counter Electrodes for Dye-Sensitized Solar Cells

Assembling Near-Infrared Dye on the Surface of Near-Infrared Silica-Coated Copper Sulphide Plasmonic Nanoparticles

Enhanced Efficiency of Dye-Sensitized Solar Cells Based on Polymer-Assisted Dispersion of Platinum Nanoparticles/Carbon Nanotubes Nanohybrid Films as FTO-Free Counter Electrodes

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