Results 121 to 130 of about 6,842 (146)

Enabling Highly Efficient and Stable Perovskite Photovoltaics via A Multidentate Molecular Anchor Additive. [PDF]

Nanomicro Lett
Zheng L, Wu T, Yang L, Hua Y.
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A synergistic acid-base tandem co-sensitization approach using pyrimidine fluorescent dyes achieves 22% indoor efficiency. [PDF]

Sci Rep
Badawy SA, Shehta W, Masry AA, Moustafa AH, Elmorsy MR.   +4 more
europepmc   +1 more source

Pioneering an Innovative Eco-Friendly N719 Dye-Sensitized Solar Cell through Modelling and Impedance Spectroscopy Analysis for Energy Sustainability. [PDF]

Glob Chall
Njema GG, Elmelouky A, Meyer EL, Riouchi N, Kibet JK.   +4 more
europepmc   +1 more source

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Why Gratzel’s cell works so well

Inorganica Chimica Acta, 2008
Abstract In Gratzel’s cell, the electrons injected by the photo-excitation of dye molecules, anchored to a mesoporous TiO 2 film, efficiently diffuse to the back contact achieving solar energy conversion at efficiencies exceeding 10%. The mesoporous TiO 2 surface constituted of randomly arranged nanocrystallites with a roughness factor of the order
P.V.V. Jayaweera, A.G.U. Perera, K. Tennakone   +2 more
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Polarization losses in Gratzel solar cells with a porous anode

Journal of Engineering Thermophysics, 2011
Polarization losses under the redox reaction on the anode and cathode in the iodine electrolyte of a Gratzel solar cell are considered. It is shown that the value of the maximum cell current is bounded by the diffusion transfer of ions on the cathode or anode, depending on the electrolyte composition.
V. G. Gasenko, V. E. Nakoryakov
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Concept and demonstration of all organic Gratzel solar cell (dye sensitized solar cell)

Applied Physics Letters, 2006
The authors present the concept of “all organic Gratzel/dye sensitized solar cell” and demonstrate such a device using high Tauc band gap (above 2.5eV) amorphous carbon thin films doped with nitrogen (n type) deposited by microwave assisted surface wave plasma chemical vapor deposition and sensitized with copper-phthalocyanine thin films.
Prakash R. Somani, Savita P. Somani, M. Umeno, A. Sato   +3 more
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Effect of concentration and pH of Tropaeolum Majus L. dye from the Junin Region in a Gratzel Cell

Proceedings of the 23rd LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI): "Engineering, Artificial Intelligence, and Sustainable Technologies in service of society"
Diego Alonso Vilca Quico, Gabriela Escobar Velazco, Jaime Herminio Claros Castellares, Maria Esther Quintana Caceda   +3 more
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Quantum Chemical Investigation of Cluster Models for TiO₂ Nanoparticles with Water-Derived Ligand Passivation: Studies of Excess Electron States and Implications for Charge Transport in the Gratzel Cell

The Journal of Physical Chemistry C, 2009
We present hybrid DFT calculations for large TiO 2 cluster models in the gas phase and in solution. Two clusters are investigated, one derived from the anatase bulk structure and the second from rutile. The surface are passivated with hydroxyl and water ligands, and continuum solvation is used to model bulk solvent in subset of calculations.
Vladimir Blagojevic, Yiing-Rei Chen, Michael Steigerwald, Louis Brus, Richard A. Friesner   +4 more
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Life Cycle Assessment of Gratzel-type cell production for non conventional photovoltaics from novel Organic Dyes

2011
In the context of a constant energy demand growth, the interest of the scientific community is progressively moving towards renewable energy sources. Among these, photovoltaics has a prominent role. With the aim of overcoming the limits of silicon production, research turned itself to the development of new photovoltaic technologies based on ...
Parisi, Maria Laura, Sinicropi, Adalgisa, Basosi, Riccardo   +2 more
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