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Michael Graetzel

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Publications associées (1 223)

Nanostructured Composite Films for Dye-Sensitized Solar Cells by Electrostatic Layer-by-Layer Deposition

Pascal Comte, Michael Graetzel, Mohammad Khaja Nazeeruddin, Ilkay Cesar

2006

Electron donor-acceptor distance dependence of the dynamics of light-induced interfacial charge transfer in the dye-sensitization of nanocrystalline oxide semiconductors

Bernard Wenger, Pascal Comte, Michael Graetzel, Jacques-Edouard Moser, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Christophe Bauer

The effect of electronic and nuclear factors on the dynamics of dye-to-semiconductor electron transfer was studied employing RuII(terpy)(NCS)3 sensitizers grafted onto transparent films made of titanium dioxide nanoparticles. Various approaches were strive ...

2006

Nanocrystalline dye-sensitized solar cell/copper indium gallium selenide thin-film tandem showing greater than 15% conversion efficiency

Michael Graetzel, Paul Liska, Ravindranathan Thampi

AIP American Institute of Physics2006

Efficient blue light-emitting diodes based on a classical "push-pull" architecture molecule 4,4 prime -di-(2-(2,5- dimethoxyphenyl)ethenyl)-2,2 prime -bipyridine

Philippe Bugnon, Michael Graetzel, Mohammad Khaja Nazeeruddin, Libero Zuppiroli, Rosario Scopelliti, Detlef Berner, Mauro Castellani, Filippo de Angelis

A novel, highly blue luminescent molecule containing donor and acceptor groups, 4,4 prime -di-(2-(2,5-dimethoxyphenyl)ethenyl)-2,2 prime -bipyridine, that shows photoluminescence emission at 450 nm with 43% quantum yield is designed and synthesized. Time d ...

Royal Society of Chemistry2006

2,2 -Bipyridine ligand, sensitizing dye and dye sensitized solar cell

Michael Graetzel, Shaik Mohammed Zakeeruddin, Peng Wang

A dye sensitized solar cell, comprising a heteroleptic polypyridil complex of Ru, Os or Fe. The donating ligand has an extended conjugated À-system increasing the light absorbance and keeing the LUMO energy level higher than that of the anchoring ligand. A ...

(Ecole Polytechnique Federale De Lausanne (EPFI), Switz.).2006

Tandem photovoltaic conversion device

Pascal Comte, Michael Graetzel, Paul Liska, Ravindranathan Thampi

The tandem photovoltaic conversion device comprises at least one top photovoltaic cell unit and one bottom photovoltaic cell unit laminated along a light transmitting direction and electrically connected, wherein said top cell unit is a dye sensitised or s ...

2006

New Benchmark for Water Photooxidation by Nanostructured α-Fe2O3 Films

Michael Graetzel, Ilkay Cesar

2006

An efficient organogelator for ionic liquids to prepare stable quasi-solid-state dye-sensitized solar cells

Michael Graetzel, Shaik Mohammed Zakeeruddin

Royal Society of Chemistry2006

Ion Coordinating Sensitizer for High Efficiency Mesoscopic Dye-Sensitized Solar Cells: Influence of Lithium Ions on the Photovoltaic Performance of Liquid and Solid-State Cells

Pascal Comte, Michael Graetzel, Jacques-Edouard Moser, Shaik Mohammed Zakeeruddin, Robin Humphry-Baker, Henry Snaith

American Chemical Society (ACS)2006

Origin of the kinetic heterogeneity of ultrafast light-induced electron transfer from Ru(II)-complex dyes to nanocrystalline semiconducting particles

Bernard Wenger, Michael Graetzel, Jacques-Edouard Moser

2005

Solid state p-n heterojunction sensitized photovoltaic solar cell with electron and hole conductors

Robert Plass, Michael Graetzel, Udo Bach

A solid state p-n heterojunction comprising an electron conductor and a hole conductor; it further comprises a sensitising semiconductor, said sensitizing semiconductor being located at an interface between said electron conductor and said hole conductor. ...

(Ecole Polytechnique Federale de Lausanne (EPFL), Switz.).2005

Amphiphilic dye for solid-state dye-sensitized solar cells

Michael Graetzel, Shaik Mohammed Zakeeruddin

2005

Solid state heterojunction and solid state sensitized photovoltaic cell

Robert Plass, Michael Graetzel, Udo Bach

A solid state p-n heterojunction comprising an electron conductor and a hole conductor it further comprises a sensitising semiconductor, said sensitizing semiconductor being located at an interface between said electron conductor and said hole conductor. I ...

2005

Electrochemical Impedance Spectroscopic Analysis of Dye-Sensitized Solar Cells

Michael Graetzel, Jacques-Edouard Moser

2005

Visible Light-Induced Water Oxidation on Mesoscopic a-Fe2O3 Films Made by Ultrasonic Spray Pyrolysis

Alexis Joseph Duret, Michael Graetzel

2005

Cross Surface Ambipolar Charge Percolation in Molecular Triads on Mesoscopic Oxide Films

Michael Graetzel, Shaik Mohammed Zakeeruddin, Robin Humphry-Baker

2005

Charge separation and efficient light energy conversion in sensitized mesoscopic photoelectrochemical cells based on binary ionic liquids

Bernard Wenger, Michael Graetzel, Jacques-Edouard Moser, Shaik Mohammed Zakeeruddin, Robin Humphry-Baker, Joël Teuscher, Peng Wang

2005

Efficiency improvement in solid-state-dye-sensitized photovoltaics with an amphiphilic Ruthenium-dye

Michael Graetzel, Shaik Mohammed Zakeeruddin

AIP American Institute of Physics2005

Method of forming crystalline tin dioxide film

Michael Graetzel

One embodiment of this invention relates to a substrate (3) having a crystalline tin (IV) oxide film grown thereon, the film comprising a plurality of nanorods each of hick includes crystals grown along the c-axis of the tin (IV) oxide crystal. Another emb ...

(Hydrogen Solar Ltd., UK).2005

A High Molar Extinction Coefficient Sensitizer for Stable Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Robin Humphry-Baker, Peng Wang

2005

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