scholarly journals New dinuclear hydrido-carbonyl rhenium complexes designed as photosensitizers in dye-sensitized solar cells

2016 ◽  
Vol 40 (3) ◽  
pp. 2910-2919 ◽  
Author(s):  
Lorenzo Veronese ◽  
Elsa Quartapelle Procopio ◽  
Francesca De Rossi ◽  
Thomas M. Brown ◽  
Pierluigi Mercandelli ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Rhenium Complexes ◽  
Dye Sensitized ◽  
Solar Conversion ◽  
Sensitized Solar Cells ◽  
Solar Conversion Efficiency

Dye-sensitized solar cells based on dinuclear hydrido-carbonyl rhenium complexes have been developed, achieving an overall solar conversion efficiency of 1.0%.

Synthesis and Application of Novel β D-π-A Porphyrin Dyes in Dye-Sensitized Solar Cells

2013 ◽  
Vol 634-638 ◽  
pp. 2634-2637 ◽  
Author(s):  
Fang Qun Zhou ◽  
Ya Qing Feng ◽  
Xiao Peng ◽  
Bao Zhang
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Solar Conversion ◽  
Sensitized Solar Cells ◽  
Solar Conversion Efficiency

Two β D-π-A porphyrin dyes have been synthesized and applied as photosensitizers for dye-sensitized solar cells. A maximum solar conversion efficiency of 2.2% has been achieved for dye 2-(N, N-diphenylaminophenylacetynyl)-12(13)-(4-carboxylphenylacetynyl)-5, 10, 15, 20-tetra (4-tert butylphenyl)porphyrin zinc.

scholarly journals Nanoporous ZnO Photoelectrode for Dye-Sensitized Solar Cell

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Bayram Kılıç ◽  
Emre Gür ◽  
Sebahattin Tüzemen
Keyword(s):  
Thin Films ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Zno Thin Films ◽  
Large Area ◽  
Self Assembled Monolayer ◽  
Dye Sensitized ◽  
Solar Conversion ◽  
Sensitized Solar Cells ◽  
Solar Conversion Efficiency

Nanoporous and macroporous structures were prepared by using self-assembled monolayer (SAM) onto ZnO thin films in order to investigate the efficiency of dye-sensitized solar cells (DSSCs) produced using these films. Using SAM on ZnO thin films, it is obtained successfully assembled large-area, highly ordered porous ZnO thin films. Varying nanoporous radius is observed between 20 and 50 nm sizes, while it is 500–800 nm for macroporous radius. The solar conversion efficiency of 2.75% and IPCE of 29% was obtained using ZnO nanoporous/N719 dye/I−/I3-electrolyte, while macroporous ZnO given solar conversion efficiency of 2.22% and IPCE of 18%.

Mesoporous Bi2S3 nanorods with graphene-assistance as low-cost counter-electrode materials in dye-sensitized solar cells

Nanoscale ◽  
2014 ◽  
Vol 6 (23) ◽  
pp. 14433-14440 ◽  
Author(s):  
Sheng-qi Guo ◽  
Tian-zeng Jing ◽  
Xiao Zhang ◽  
Xiao-bing Yang ◽  
Zhi-hao Yuan ◽  
...  
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Counter Electrode ◽  
Electrode Materials ◽  
Low Cost ◽  
Dye Sensitized Solar Cells ◽  
Hydrothermal Conditions ◽  
Catalytic Activities ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

In this work, we report the synthesis of mesoporous Bi2S3 nanorods under hydrothermal conditions without additives, and investigated their catalytic activities as the CE in DSCs by I–V curves and tested conversion efficiency.

Spontaneous Enhancement of Power Conversion Efficiency in SnO2-Based Dye-Sensitized Solar Cells

2021 ◽  
Vol 11 (3) ◽  
pp. 674-678
Author(s):  
Shibing Zou ◽  
Lingting Song ◽  
Junhong Duan ◽  
Le Huang ◽  
Weiqing Liu ◽  
...  
Keyword(s):  
Solar Cells ◽  
Power Conversion Efficiency ◽  
Conversion Efficiency ◽  
Power Conversion ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

TiO2 cement for high-performance dye-sensitized solar cells

RSC Advances ◽  
2016 ◽  
Vol 6 (87) ◽  
pp. 83802-83807 ◽  
Author(s):  
Yu Hou ◽  
Shuang Yang ◽  
Chunzhong Li ◽  
Huijun Zhao ◽  
Hua Gui Yang
Keyword(s):  
Solar Cells ◽  
Energy Conversion ◽  
Conversion Efficiency ◽  
High Performance ◽  
Dye Sensitized Solar Cells ◽  
Energy Conversion Efficiency ◽  
Dye Sensitized ◽  
Degussa P25 ◽  
Sensitized Solar Cells

An energy conversion efficiency of 8.31% is reached by using a cemented photoanode for dye-sensitized solar cells, attaining a 31.1% improvement over the standard Degussa P25 sample.

Interrelationship between TiO2 nanoparticle size and kind/size of dyes in the mechanism and conversion efficiency of dye sensitized solar cells

2017 ◽  
Vol 19 (18) ◽  
pp. 11187-11196 ◽  
Author(s):  
Pooya Tahay ◽  
Meisam Babapour Gol Afshani ◽  
Ali Alavi ◽  
Zahra Parsa ◽  
Nasser Safari
Keyword(s):  
Solar Cells ◽  
Conversion Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Tio2 Nanoparticle ◽  
Experimental Results ◽  
Nanoparticle Size ◽  
Intrinsic Properties ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Photocurrent efficiency measurements and other experimental results demonstrate that the best TiO2 nanoparticle size depends on the intrinsic properties of the dye and the best size changes with dye type.

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.

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