scholarly journals Dye regeneration and charge recombination in dye-sensitized solar cells with ferrocene derivatives as redox mediators

2012 ◽  
Vol 5 (5) ◽  
pp. 7090 ◽  
Author(s):  
Torben Daeneke ◽  
Attila J. Mozer ◽  
Tae-Hyuk Kwon ◽  
Noel W. Duffy ◽  
Andrew B. Holmes ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Redox Mediators ◽  
Ferrocene Derivatives ◽  
Dye Sensitized ◽  
Dye Regeneration ◽  
Sensitized Solar Cells

Ultrafast and slow charge recombination dynamics of diketopyrrolopyrrole–NiO dye sensitized solar cells

2016 ◽  
Vol 18 (27) ◽  
pp. 18515-18527 ◽  
Author(s):  
Lei Zhang ◽  
Ludovic Favereau ◽  
Yoann Farré ◽  
Edgar Mijangos ◽  
Yann Pellegrin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Hole Injection ◽  
Dye Sensitized ◽  
Dye Regeneration ◽  
Conversion Efficiencies ◽  
Sensitized Solar Cells ◽  
Nio Films ◽  
Recombination Dynamics

Ultrafast hole injection from photoexcited diketopyrrolopyrrole-based dyes into mesoporous NiO films was followed by charge recombination that spanned time scales from pico- to microseconds, which was reflected in large variations in dye regeneration and device solar energy conversion efficiencies.

Efficient dye regeneration at low driving force achieved in triphenylamine dye LEG4 and TEMPO redox mediator based dye-sensitized solar cells

2015 ◽  
Vol 17 (24) ◽  
pp. 15868-15875 ◽  
Author(s):  
Wenxing Yang ◽  
Nick Vlachopoulos ◽  
Yan Hao ◽  
Anders Hagfeldt ◽  
Gerrit Boschloo
Keyword(s):  
Solar Cells ◽  
Driving Force ◽  
Open Circuit Voltage ◽  
Dye Sensitized Solar Cells ◽  
Open Circuit ◽  
Redox Mediator ◽  
Redox Mediators ◽  
Dye Sensitized ◽  
Dye Regeneration ◽  
Sensitized Solar Cells

Minimizing the driving force required for the regeneration of oxidized dyes using redox mediators in an electrolyte is essential to further improve the open-circuit voltage and efficiency of dye-sensitized solar cells (DSSCs).

scholarly journals Intriguing C–H⋯Cu interactions in bis-(phenanthroline)Cu(i) redox mediators for dye-sensitized solar cells

2018 ◽  
Vol 47 (4) ◽  
pp. 1018-1022 ◽  
Author(s):  
Alessia Colombo ◽  
Rachele Ossola ◽  
Mirko Magni ◽  
Dominique Roberto ◽  
Denis Jacquemin ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Redox Mediators ◽  
Methyl Group ◽  
Dye Sensitized ◽  
Copper Site ◽  
First Time ◽  
Sensitized Solar Cells

For the first time, an anagostic interaction is found between a H atom of a methyl group and a copper site in the bis-2-tertbutyl(phenanthroline)Cu(i) complex.

Methoxy-Substituted Copper Complexes as possible Redox Mediators in Dye-Sensitized Solar Cells

2021 ◽  
Author(s):  
Marco Giordano ◽  
Giorgio Volpi ◽  
Matteo Bonomo ◽  
Paolo Mariani ◽  
Claudio Garino ◽  
...  
Keyword(s):  
Solar Cells ◽  
Copper Complexes ◽  
Dye Sensitized Solar Cells ◽  
Redox Mediators ◽  
Dye Sensitized ◽  
Diimine Ligands ◽  
Sensitized Solar Cells

Three aromatic diimine ligands and the corresponding homoleptic copper(I) and copper(II) complexes have been synthetized and characterized. The copper(II) derivatives are stabilized by an ancillary chlorido ligand. The nature of...

Kinetics of dye regeneration in liquid electrolyte unveils efficiency of 10.5% in dye-sensitized solar cells

2018 ◽  
Vol 6 (42) ◽  
pp. 11444-11456 ◽  
Author(s):  
Jonnadula Venkata Suman Krishna ◽  
Narra Vamsi Krishna ◽  
Towhid H. Chowdhury ◽  
Suryaprakash Singh ◽  
Idriss Bedja ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Power Conversion ◽  
Dye Sensitized Solar Cells ◽  
Liquid Electrolyte ◽  
Dye Sensitized Solar Cell ◽  
Dye Sensitized ◽  
Dye Regeneration ◽  
Sensitized Solar Cells ◽  
Kinetics Of

We have designed and synthesised four novel porphyrin sensitizers for dye-sensitized solar cell applications and shown power conversion efficiency of 10.5%.

A polymer and graphene layer to increase dye regeneration and suppress back electron transfer in dye sensitized solar cells

2017 ◽  
Vol 53 (49) ◽  
pp. 6629-6632 ◽  
Author(s):  
Vediappan Sudhakar ◽  
Arulraj Arulkashmir ◽  
Kothandam Krishnamoorthy
Keyword(s):  
Electron Transfer ◽  
Solar Cells ◽  
Graphene Layer ◽  
Dye Sensitized Solar Cells ◽  
Blocking Layer ◽  
Dye Sensitized ◽  
Back Electron Transfer ◽  
Dye Regeneration ◽  
Sensitized Solar Cells

A polymer–graphene blocking layer decreases back electron transfer and increases dye regeneration that improved the DSSC efficiency to 10.4%.

Using Orbital Symmetry to Minimize Charge Recombination in Dye-Sensitized Solar Cells

2012 ◽  
Vol 125 (3) ◽  
pp. 1007-1009 ◽  
Author(s):  
Emanuele Maggio ◽  
Natalia Martsinovich ◽  
Alessandro Troisi
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Orbital Symmetry ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Improving the mass transport of copper-complex redox mediators in dye-sensitized solar cells by reducing the inter-electrode distance

2017 ◽  
Vol 19 (47) ◽  
pp. 32132-32142 ◽  
Author(s):  
Rodrigo García-Rodríguez ◽  
Roger Jiang ◽  
Esdras J. Canto-Aguilar ◽  
Gerko Oskam ◽  
Gerrit Boschloo
Keyword(s):  
Solar Cells ◽  
Mass Transport ◽  
Copper Complex ◽  
Fill Factor ◽  
Dye Sensitized Solar Cells ◽  
Redox Mediators ◽  
Dye Sensitized ◽  
Electrode Distance ◽  
Sensitized Solar Cells ◽  
Internal Transport

Reduction of inter-electrode distance in DSCs with copper-based electrolyte increases the photocurrent and fill factor by improving internal transport.

scholarly journals Bis-tridentate Ru(ii) sensitizers with a spatially encumbered 2,6-dipyrazolylpyridine ancillary ligand for dye-sensitized solar cells

RSC Advances ◽  
2017 ◽  
Vol 7 (67) ◽  
pp. 42013-42023 ◽  
Author(s):  
Ting-Kuang Chang ◽  
Yun Chi
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Charge Recombination ◽  
Ancillary Ligand ◽  
Dye Sensitized ◽  
Dye Loading ◽  
Sensitized Solar Cells

The sensitizer TF-tBu_C3F7 has shown the highest overall efficiencies of JSC = 18.47 mA cm−2, VOC = 767 mV, FF = 0.71 and PCE = 10.05% under simulated one sun irradiation, due to the fine balance between dye loading and reduced charge recombination.

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