Highly efficient dye-sensitized solar cells based on a ruthenium sensitizer bearing a hexylthiophene modified terpyridine ligand

2016 ◽  
Vol 4 (5) ◽  
pp. 1762-1770 ◽  
Author(s):  
Hironobu Ozawa ◽  
Takahito Sugiura ◽  
Takahiro Kuroda ◽  
Kouya Nozawa ◽  
Hironori Arakawa
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Dye Adsorption ◽  
Electrolyte Composition ◽  
Dye Sensitized Solar Cell ◽  
High Conversion Efficiency ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

An extremely high conversion efficiency (11.9%) can be achieved for a dye-sensitized solar cell with a ruthenium sensitizer (TUS-38) by optimizing the dye-adsorption conditions and the electrolyte composition.

Study on Determination of I-V Curve of Dye-Sensitized Solar Cell

2011 ◽  
Vol 685 ◽  
pp. 13-19
Author(s):  
Han Min Tian ◽  
Tao Yu ◽  
Zhi Gang Zou
Keyword(s):  
Solar Cells ◽  
Steady State ◽  
Solar Cell ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Applied Bias ◽  
Dye Sensitized ◽  
Capacitance Characteristics ◽  
Sensitized Solar Cells

Many studies reported that dye-sensitized solar cells have more significant capacitance characteristics than the silicon solar cell. In this study, it was found the capacitance characteristics of dye-sensitized solar cell changes with the imposed bias voltage. The bias voltage is indispensable in the standard measurement for the conversion efficiency of dye-sensitized solar cell. The influence of changed capacitance during the measurement on the conversion efficiency of dye-sensitized solar cells was investigated. The analysis on the EIS spectra and equivalent circuit shows that the capacitance of dye-sensitized solar cells is small and the deviation cell I-V characteristics from the steady-state value is minor when the applied bias is small; while under a condition with a large applied bias, the capacitance characteristics of dye-sensitized solar cell grew rapidly and the I-V characteristics deviated from the steady-state value significantly increased. This phenomenon is helpful for the accurate measurement of the quantum conversion efficiency and photoelectric conversion efficiency of dye-sensitized solar cells.

Highly efficient light harvesting ruthenium sensitizers for dye-sensitized solar cells featuring triphenylamine donor antennas

2014 ◽  
Vol 2 (14) ◽  
pp. 4945-4953 ◽  
Author(s):  
Kun Cao ◽  
Jianfeng Lu ◽  
Jin Cui ◽  
Yan Shen ◽  
Wei Chen ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Light Harvesting ◽  
Power Conversion ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Ruthenium complexes featuring triphenylamine donor antennas boost dye-sensitized solar cell devices' power conversion efficiency close to 11%.

Donor-π-acceptor, triazine-linked porphyrin dyads as sensitizers for dye-sensitized solar cells

2015 ◽  
Vol 19 (01-03) ◽  
pp. 175-191 ◽  
Author(s):  
Ganesh D. Sharma ◽  
Galateia E. Zervaki ◽  
Kalliopi Ladomenou ◽  
Emmanuel N. Koukaras ◽  
Panagiotis P. Angaridis ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Carboxylic Acid ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Power Conversion ◽  
Dye Sensitized Solar Cells ◽  
Orbital Energy ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Two porphyrin dyads with the donor-π-acceptor molecular architecture, namely ( ZnP )-[triazine-gly]-( H 2 PCOOH ) and ( ZnP )-[triazine-Npip]-( H 2 PCOOH ), which consist of a zinc-metalated porphyrin unit and a free-base porphyrin unit covalently linked at their peripheries to a central triazine group, substituted either by a glycine in the former or a N-piperidine group in the latter, have been synthesized via consecutive amination substitution reactions of cyanuric chloride. The UV-vis absorption spectra and cyclic-voltammetry measurements of the two dyads, as well as theoretical calculations based on Density Functional Theory, suggest that they have suitable frontier orbital energy levels for use as sensitizers in dye-sensitized solar cells. Dye-sensitized solar cells based on ( ZnP )-[triazine-gly]-( H 2 PCOOH ) and ( ZnP )-[triazine-Npip]-( H 2 PCOOH ) have been fabricated, and they were found to exhibit power conversion efficiency values of 5.44 and 4.15%, respectively. Photovoltaic measurements (J–V curves) and incident photon to current conversion efficiency spectra of the two solar cells suggest that the higher power conversion efficiency value of the former solar cell is a result of its enhanced short circuit current, open circuit voltage, and fill factor values, as well as higher dye loading. This is ascribed to the existence of two carboxylic acid anchoring groups in ( ZnP )-[triazine-gly]-( H 2 PCOOH ), compared to one carboxylic acid group in ( ZnP )-[triazine-Npip]-( H 2 PCOOH ), which leads to a more effective binding onto the TiO 2 photoanode. Electrochemical impedance spectra show evidence that the ( ZnP )-[triazine-gly]-( H 2 PCOOH ) based solar cell exhibits a longer electron lifetime and more effective suppression of charge recombination reactions between the injected electrons and electrolyte.

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%.

Correlating cobalt redox couples to photovoltage in the dye-sensitized solar cell

2018 ◽  
Vol 47 (34) ◽  
pp. 11942-11952 ◽  
Author(s):  
Kitty Y. Chen ◽  
Phil A. Schauer ◽  
Brian O. Patrick ◽  
Curtis P. Berlinguette
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Redox Potential ◽  
Linear Correlation ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Redox Mediators ◽  
Dye Sensitized ◽  
Redox Couples ◽  
Sensitized Solar Cells

Two sets of structurally analogous Co(iii/ii)-based redox mediators were incorporated in the dye-sensitized solar cells and a linear correlation was demonstrated between redox potential and photovoltage.

Dye-sensitized solar cells containing mesoporous TiO2spheres as photoanodes and methyl sulfate anion based biionic liquid electrolytes

2015 ◽  
Vol 3 (12) ◽  
pp. 6383-6391 ◽  
Author(s):  
Jia-De Peng ◽  
Chuan-Pei Lee ◽  
D. Velayutham ◽  
V. Suryanarayanan ◽  
Kuo-Chuan Ho
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Solid State ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Methyl Sulfate ◽  
Sulfate Anion ◽  
Dye Sensitized ◽  
Liquid Electrolytes ◽  
Sensitized Solar Cells

A quasi-solid state dye-sensitized solar cell with the photoanode film of mesoporous TiO2spheres exhibited an efficiency of 6.18% and unfailing stability for 1200 h at 50 °C.

Ruthenium(ii) complexes incorporating carbazole–diazafluorene based bipolar ligands for dye sensitized solar cell applications

2017 ◽  
Vol 41 (13) ◽  
pp. 5605-5612 ◽  
Author(s):  
Radhakrishnan Sivakumar ◽  
Rodrigo Recabarren ◽  
Sekar Ramkumar ◽  
Arumugam Manivel ◽  
Jans Alzate-Morales ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Ancillary Ligands ◽  
Dye Sensitized ◽  
New Type ◽  
Sensitized Solar Cells

A new type of ruthenium sensitizers, S3 and S4, consisting of carbazole–diazafluorene based bipolar ancillary ligands have been synthesized and characterized for dye sensitized solar cells.

Improvement of D–π–A organic dye-based dye-sensitized solar cell performance by simple triphenylamine donor substitutions on the π-linker of the dye

2017 ◽  
Vol 1 (6) ◽  
pp. 1059-1072 ◽  
Author(s):  
N. Prachumrak ◽  
T. Sudyoadsuk ◽  
A. Thangthong ◽  
P. Nalaoh ◽  
S. Jungsuttiwong ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Dye Sensitized Solar Cells ◽  
Organic Dye ◽  
Cell Performance ◽  
Dye Sensitized Solar Cell ◽  
Solar Cell Performance ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Three new D–π–A dyes containing different numbers of triphenylamine donor substitutions on a π-linker were synthesized for dye-sensitized solar cells.

Benzimidazole-functionalized ancillary ligands for heteroleptic Ru(ii) complexes: synthesis, characterization and dye-sensitized solar cell applications

2015 ◽  
Vol 44 (33) ◽  
pp. 14697-14706 ◽  
Author(s):  
Tejaswi Jella ◽  
Malladi Srikanth ◽  
Rambabu Bolligarla ◽  
Yarasi Soujanya ◽  
Surya Prakash Singh ◽  
...  
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Polypyridyl Complexes ◽  
Ancillary Ligands ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Three new heteroleptic Ru(ii) polypyridyl complexes have been designed with a pyridine-benzimidazole functionalized ligand for dye-sensitized solar cells.

Enhanced performance of a nanocrystalline dye-sensitized solar cell based on polyurethane dendrimers

RSC Advances ◽  
2015 ◽  
Vol 5 (40) ◽  
pp. 31404-31409 ◽  
Author(s):  
S. Veerapandian ◽  
S. Amudha ◽  
S. Austin Suthanthiraraj ◽  
M. Abdul Rahman ◽  
A. Sultan Nasar
Keyword(s):  
Solar Cells ◽  
Solar Cell ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized Solar Cell ◽  
Fourth Generation ◽  
Dye Sensitized ◽  
Photovoltaic Parameters ◽  
Sensitized Solar Cells

The photovoltaic parameters of dye sensitized solar cells (DSSCs) fabricated with and without fourth generation polyurethane dendrimers have been discussed.

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