Jacques-Edouard Moser

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Intensity Dependent Femtosecond Dynamics in a PBDTTPD-Based Solar Cell Material

Jacques-Edouard Moser, Natalie Renuka Banerji, Arun Aby Paraecattil

PBDTTPD is a conjugated polymer with high power conversion efficiency if used in organic solar cells together with fullerene derivatives. We have investigated forthe first time the excited state dynamics of pristine PBDTTPD thin film as well as the ultrafa ...

Amer Chemical Soc2012

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We report a pump–probe spectroscopy study of electron injection rates in dye-sensitized solar cell (DSSC) devices. We examine the case of working devices employing an N719 ruthenium sensitizer and an iodide electrolyte. Electron injection is found to occur ...

Amer Chemical Soc2012

Sensitization of fullerenes by covalent attachment of a diketopyrrolopyrrole chromophore

Jacques-Edouard Moser, Natalie Renuka Banerji

In an effort to develop new materials for organic solar cell applications, we have synthesized triads of 3,6-dithien-2-yl-2,5-dialkylpyrrolo[3,4-c]pyrrole-1,4-dione (DTDPP) covalently linked at the nitrogen positions to two [6,6]-phenyl-C61-butyric acid es ...

2012

Voltage enhancement in dye-sensitized solar cell using (001)-oriented anatase TiO2 nanosheets

Jacques-Edouard Moser, Paul Liska, Ladislav Kavan, Elham Ghadiri

A nanocrystalline TiO2 (anatase) nanosheet ex- posing mainly the (001) crystal faces was tested as photo- anode material in dye-sensitized solar cells. The nanosheets were prepared by hydrothermal growth in HF medium. Good-quality thin films were deposited ...

Springer2012

Effect of Posttreatment of Titania Mesoscopic Films by TiCl4 in Solid- State Dye-Sensitized Solar Cells: A Time-Resolved Spectroscopy Study

Jacques-Edouard Moser, Arianna Marchioro, Amalie Dualeh, Angela Punzi

Post-treatment of mesoporous titanium dioxide films by TiCl4 solutions is commonly applied during the fabrication of solid-state dye-sensitized solar cells (ssDSCs), as this operation markedly improves the performance of the photovoltaic device. The effect ...

Amer Chemical Soc2012

A cobalt complex redox shuttle for dye-sensitized solar cells with high open-circuit potentials

Mohammad Khaja Nazeeruddin, Jacques-Edouard Moser, Jun Ho Yum, Arianna Marchioro, Thomas Moehl, Chenyi Yi, Takeru Bessho, Elham Ghadiri

Dye-sensitized solar cells are a promising alternative to traditional inorganic semiconductor- based solar cells. Here we report an open-circuit voltage of over 1,000 mV in mesoscopic dye- sensitized solar cells incorporating a molecularly engineered cobal ...

2012

Temperature-Dependent Ordering Phenomena of a Polyiodide System in a Redox-Active Ionic Liquid

Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Jan Cornelius Brauer, Verner Thorsmolle

Iodine added to iodide-based ionic liquids leads to dramatic changes of their physical properties which may have implications for technological applications. Here we study the phase diagram of 1-methyl 3-propylimidazolium iodide, the temperature versus iod ...

2012

Conduction Through Viscoelastic Phase in a Redox-Active Ionic Liquid at Reduced Temperatures

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Jan Cornelius Brauer, Verner Thorsmolle

The phase diagram of the redox active ionic liquid 1-methyl-3-propylimidazolium iodide (PMII) is examined as a function of temperature and iodine concentration. Beyond a threshold concentration of 3.9 M, the formation of higher polyiodides gives rise to a ...

2012

Lead Iodide Perovskite Sensitized All-Solid-State Submicron Thin Film Mesoscopic Solar Cell with Efficiency Exceeding 9%

Michael Graetzel, Jacques-Edouard Moser, Jun Ho Yum, Arianna Marchioro, Robin Humphry-Baker, Thomas Moehl, Soo-Jin Moon, Jeong-Hyeok Im

We report on solid-state mesoscopic heterojunction solar cells employing nanoparticles (NPs) of methyl ammonium lead iodide (CH3NH3)PbI3 as light harvesters. The perovskite NPs were produced by reaction of methylammonium iodide with PbI2 and deposited onto ...

2012

Butyronitrile-based electrolyte for dye-sensitized solar cells

Michael Graetzel, Jacques-Edouard Moser, Arianna Marchioro, Sarine Chhor

We elaborated a new electrolyte composition, based on butyronitrile solvent, that exhibits low volatility for use in dye-sensitized solar cells. The strong point of this new class of electrolyte is that it combines high efficiency and excellent stability p ...

2011

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