Effect of spacers and anchoring groups of extended π-conjugated tetrathiafulvalene based sensitizers on the performance of dye sensitized solar cells

2017 ◽  
Vol 1 (2) ◽  
pp. 345-353 ◽  
Author(s):  
Lingamallu Giribabu ◽  
Naresh Duvva ◽  
Seelam Prasanthkumar ◽  
Surya Prakash Singh ◽  
Liyuan Han ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Metal Free ◽  
Dye Sensitized ◽  
Anchoring Groups ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

Four novel metal-free organic sensitizers based on thioalkyl substituted tetrathiafulvalene scaffolds using the donor–π–acceptor approach were tested in dye-sensitized solar cells and had efficiency in the range of 4.55–6.36%.

Metal-free organic sensitizers with a sterically hindered thiophene unit for efficient dye-sensitized solar cells

2011 ◽  
Vol 21 (36) ◽  
pp. 13785 ◽  
Author(s):  
Erika Kozma ◽  
Isabella Concina ◽  
Antonio Braga ◽  
Laura Borgese ◽  
Laura E. Depero ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Metal Free ◽  
Dye Sensitized ◽  
Sterically Hindered ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

N-Annulated perylene-based metal-free organic sensitizers for dye-sensitized solar cells

2015 ◽  
Vol 51 (23) ◽  
pp. 4842-4845 ◽  
Author(s):  
Liu Yang ◽  
Zhiwei Zheng ◽  
Yan Li ◽  
Wenjun Wu ◽  
He Tian ◽  
...  
Keyword(s):  
Solar Cells ◽  
Dye Sensitized Solar Cells ◽  
Metal Free ◽  
Dye Sensitized ◽  
Perylene Derivatives ◽  
Conversion Efficiencies ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

A series of novel metal-free organic sensitizers based on N-annulated perylene derivatives have been conveniently synthesized, and the DSCs exhibit overall conversion efficiencies ranging from 4.90% to 8.28%.

First principles study of organic sensitizers for dye sensitized solar cells: effects of anchoring groups on optoelectronic properties and dye aggregation

2016 ◽  
Vol 18 (2) ◽  
pp. 1071-1081 ◽  
Author(s):  
Santhanamoorthi Nachimuthu ◽  
Wei-Chieh Chen ◽  
Ermias Girma Leggesse ◽  
Jyh-Chiang Jiang
Keyword(s):  
Solar Cells ◽  
First Principles ◽  
Spectral Properties ◽  
Theoretical Calculations ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Dye Aggregation ◽  
Anchoring Groups ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

Efficient organic sensitizers with improved spectral properties and less aggregation have been proposed for practical DSSCs based on theoretical calculations.

Molecular design of new organic sensitizers based on thieno[1,4]benzothiazine for dye-sensitized solar cells

RSC Advances ◽  
2015 ◽  
Vol 5 (70) ◽  
pp. 56865-56871 ◽  
Author(s):  
Hu Liu ◽  
Xingrong Liao ◽  
Xiaoyu Li ◽  
Di Wu ◽  
Qiang Guo ◽  
...  
Keyword(s):  
Solar Cells ◽  
Molecular Design ◽  
Dye Sensitized Solar Cells ◽  
Metal Free ◽  
Dye Sensitized ◽  
First Time ◽  
Sensitized Solar Cells ◽  
Organic Sensitizers

A novel thieno[1,4]benzothiazine donor has been developed for the first time to construct metal-free organic sensitizers, which exhibit more dramatically red-shifted absorptions than phenothiazine-based dyes.

Recent developments in tetrathiafulvalene and dithiafulvalene based metal-free organic sensitizers for dye-sensitized solar cells: a mini-review

2017 ◽  
Vol 1 (4) ◽  
pp. 678-688 ◽  
Author(s):  
Naresh Duvva ◽  
Ushasri Chilakamarthi ◽  
Lingamallu Giribabu
Keyword(s):  
Solar Cells ◽  
Organic Dyes ◽  
Dye Sensitized Solar Cells ◽  
Molecular Engineering ◽  
Metal Free ◽  
Dye Sensitized ◽  
Recent Developments ◽  
Sensitized Solar Cells ◽  
Homo Lumo ◽  
Organic Sensitizers

Tetrathiafulvalene and dithiafulvalene are thermally stable, versatile and their HOMO–LUMO levels can be easily through molecular engineering to yield metal-free organic dyes for dye-sensitized solar cells, which are not restricted by the availability of natural resources.

scholarly journals Phosphonic anchoring groups in organic dyes for solid-state solar cells

2015 ◽  
Vol 17 (28) ◽  
pp. 18780-18789 ◽  
Author(s):  
Antonio Abate ◽  
Raquel Pérez-Tejada ◽  
Konrad Wojciechowski ◽  
Jamie M. Foster ◽  
Aditya Sadhanala ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solid State ◽  
Organic Dyes ◽  
Dye Sensitized Solar Cells ◽  
Phosphonic Acids ◽  
Metal Free ◽  
Dye Sensitized ◽  
Anchoring Groups ◽  
Sensitized Solar Cells

Performance of new metal-free organic dyes for solid-state dye-sensitized solar cells with carboxylic and phosphonic acids as TiO2 anchoring groups.

Efficient dye-sensitized solar cells with broad absorption and enhanced photo-current generation

RSC Advances ◽  
2016 ◽  
Vol 6 (62) ◽  
pp. 56747-56755 ◽  
Author(s):  
Jihun Kim ◽  
Horim Lee ◽  
Dong Young Kim ◽  
Yongsok Seo
Keyword(s):  
Solar Cells ◽  
Organic Dyes ◽  
Dye Sensitized Solar Cells ◽  
Broad Absorption ◽  
Current Generation ◽  
Metal Free ◽  
Dye Sensitized ◽  
Anchoring Groups ◽  
Sensitized Solar Cells ◽  
Photo Current

Metal-free organic dyes comprising donor, electron-conducting, and acceptor moieties with anchoring groups were synthesized for the sensitization of hierarchically structured TiO2 (HS-TiO2) nanoaggregates of TiO2 electrode.

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