dye-sensitized
Effects of Potential Deposition on the Parameters of ZnO dye-sensitized Solar Cells
... ZnO photoanodes were synthesized through electrodeposition at the potentials of -1.0 V (film A), -1.2 V (film B) and -1.4 V (film C). Nanosheets and nodular structures were obtained by changing the potential. Later, ...
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Performance Evaluation of Titanate Nanotubes and Nanoribbons Deposited by Electrophoresis in Photoelectrodes of Dye-Sensitized Solar Cells
... Nanoparticles of TiO 2 have been the main semiconductor applied in Dye-sensitized solar cells (DSSCs). In this work, titanate nanotubes (NaTiNT) and nanoribbons, were obtained by the hydrothermal method ...
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Dyes Extracted from Safflower, Medicago Sativa, and Ros Marinus Oficinalis as Photosensitizers for Dye-sensitized Solar Cells
... Solar energy research is growing rapidly since the evolution of silicon-based solar cell technology in the early 1950s. This tremendous work has led to the first and second generations of solar cells, which are common- ...
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Stepped light-induced transient measurements of photocurrent and voltage in dye-sensitized solar cells based on ZnO and ZnO:Ga
... Dye-sensitized solar cells 共DSCs兲 have received signifi- cant attention in recent decades due to their respectable effi- ciency and low cost. 1,2 The solar cells consist of a dye- adsorbed nanoporous ...
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Synthesis and characterization of ZnO and ZnO : Ga films and their application in dye-sensitized solar cells
... of dye-sensitized ZnO:Ga films showed that the higher the gallium content, the higher the amount of dye cation formed, while no significant change on the recombination dynamics was ...
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Application of polyoxometalate-ionic liquids (POM-ILs) in dye-sensitized solar cells (DSSCs)
... Polyoxometalates (POMs) as anionic metal oxides are promising candidates for application in dye- sensitized solar cells (DSSCs) due to their peculiar properties including a reversible and multi-electron ...
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Development of Dye-Sensitized Solar Cells with Sputtered N-Doped TiO2 Thin Films: From Modeling the Growth Mechanism of the Films to Fabrication of the Solar Cells
... the dye-sensitized solar cells (DSSCs) were introduced by O’Regan and Graetzel in the early 90s [1] several studies were conducted aiming to improve the light-to-electricity conversion of the DSSCs by ...
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Natural Dyes as Photosensitizers for Dye-sensitized Solar Cells
... dye-sensitized solar cells (DSSCs) were assembled us- ing extracts from eight natural dyes as sensitizers for nanocrystalline ZnO photoelectrodes. The ZnO nano- particles, with crystallite mean value of 12 ...
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A Photoelectrochemical Study of Bioinspired 2-Styryl-1-Benzopyrylium Cations on TiO2 Nanoparticle Layer for Application in Dye-Sensitized Solar Cells
... [1–4]. Dye-sensitized solar cells are multiparametric and relatively complex systems that work only upon suitable tuning of the properties of the various components of the system (dye, electrolyte, ...
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Recombination Study of Dye Sensitized Solar Cells with Natural Extracts
... in dye sensitized solar cells (DSSCs) to generate low-cost devices, although with low light harvesting because of energy losses from the recombination ...a dye solution for 24 ...
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J. Braz. Chem. Soc. vol.26 número1
... There are various types of solar cells that convert sun light into electrical energy. The commercially available solar cells are currently based on inorganic silicon semiconductors. The demand for silicon will skyrocket ...
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Toward sustainability: solar cells sensitized by natural extracts.
... CELLS SENSITIZED BY NATURAL ...in dye-sensitized solar ...cells sensitized by the mulberry extract showed the highest eficiency among the fruits ...
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Synthesis and characterization of mesoporous TiO2 nanostructured films prepared by a modified sol-gel method for application in dye solar cells
... [11] Y. Hu, H.L. Tsai, C.L. Huang, Effect of brookite phase on the anatase–rutile transition in titania nanoparticles, J. Eur. Ceram. Soc. 23 (2003) 691–696. [12] P. De Almeida, J. Van Deelen, C. Catry, H. Sneyers, T. ...
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RESULTS AND DISCUSSION Structural parameters
... Abstract: Dye-sensitized solar cells (DSSCs) based on triphenylamine (TPA) as a donor group linked with the acceptor cyanoacrylic acid electron acceptor by 2,2’-bithiophene as π-bridged (D-π-A) has been ...
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Real-time dynamic imaging of virus distribution in vivo.
... The dye was reconstituted according to manufacturer’s directions in anhydrous dimethyl-sulfoxide (DMSO from Sigma) at a concentration of 5 mg/100 m ...100,000 dye molecules/viral particle and the ...
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Biodegradation of Erythrosin B Dye by Paramorphic
... adsorption affinity of the dead and living fungal mycelia to the three dyes were measured and estimated by using the Langmuir model. Fungal mycelium was saturated by the dyes in one hour and its adsorption capacity was ...
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art absantos sequential
... Amongst the different decolourisation methods, biological treatment has called attention for being economically attractive, usually easy to operate and generally considered environmen- tally friendly as they can lead to ...
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Dye solubility in supercritical carbon dioxide fluid
... pressure was lower than 23 MPa, the increase rate of solubility was slower, but the pressure was higher than 23 MPa, the increase rate of solubility was quicker. At the same pressure, with the increase of the ...
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J. Appl. Oral Sci. vol.13 número4
... Considering the experimental design and the limitations of this study regarding a clinical situation simulating a contaminated sealed surface, it was concluded that: 1) all groups showed dye penetration, even the ...
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