Publications related to Structural properties of organometalic halide perovskite and their application in photodetectors

High performance solid-state mesoscopic solar cells

Mesoscopic sensitized solar cells are one of the most promising third-generation photovoltaic technologies. Dye-sensitized solar cells (DSCs), imitating the photosynthesis of green plants, were the first photovoltaic devices to utilize a mesoscopic heteroj ...

EPFL2013

First-Principles Modeling of Mixed Halide Organometal Perovskites for Photovoltaic Applications

Michael Graetzel, Mohammad Khaja Nazeeruddin, Filippo de Angelis

We computationally investigate organometal CH3NH3PbX3 and mixed halide CH3NH3PbI2X perovskites (X = Cl, Br, I), which are key materials for high efficiency solid-state solar cells. CH3NH3PbX3 perovskites exhibited the expected absorption blue shift along t ...

American Chemical Society2013

Core-Shell GaAs Nanowire p-n Junctions from Growth to Photovoltaic and Optoelectronic Applications

Carlo Colombo

Semiconductor nanowires (NWs) are filamentary crystals with the diameter ranging from few tens up to few hundreds of nanometers. In the last 15 years, they have been intensively studied for the prospectives that their unique quasi-one dimensional shape off ...

EPFL2012

Multiscale transparent electrode architecture for efficient light management and carrier collection in solar cells

Christophe Ballif, Corsin Battaglia, Jordi Escarre Palou, Matthieu Despeisse, Mathieu Gérard Boccard, Sylvain Nicolay, Karin Söderström, Simon Hänni

The challenge for all photovoltaic technologies is to maximize light absorption, to convert photons with minimal losses into electric charges, and to efficiently extract them to the electrical circuit. For thin-film solar cells, all these tasks rely heavil ...

2012

The luminescence of NaxEu3+(2−x)/3MoO4 scheelites depends on the number of Eu-clusters occurring in their incommensurately modulated structure

Gervais Chapuis, Jean-Claude Bünzli, Alla Arakcheeva, Philip Pattison, Svetlana Eliseeva, Dmitry Logvinovich

Scheelite related compounds with general formula Mn(XO4)m are of interest owing to their optical properties, stability and relatively simple preparation. Eu3+-containing scheelites are considered as red emitting phosphors and the main factors affecting the ...

2012

Photonic and Optoelectronic Devices Based on Mesoscopic Thin Films

Michael Graetzel, Shaik Mohammed Zakeeruddin, Kuppuswamy Kalyanasundaram

Dye-sensitized solar cells (DSCs) are one of the most promising environmental friendly and low material costs photovoltaic devices. DSCs accomplish the separation of the optical absorption and charge separation processes by the association of a sensitizer ...

2011

Eu(III) Complexes of Tetradentate Ligands Related to 2,9-Di(pyrid-20-yl)-1,10-phenanthroline and 2,20-Bi-1,10-phenanthroline

Jean-Claude Bünzli, Svetlana Eliseeva

A series of six tetradentate polypyridine-type ligands (L) have been used to prepare the corresponding Eu(III) complexes [Eu(L)2(S)]nþ (n = 2, 3) where S = H2O or CF3SO3 -. Two of the ligands, 2,9-di(pyrid-20-yl)-1,10- phenanthroline (4) and its dipyridoph ...

2010

Spectral and polarimetric characterization of the Gas Pixel Detector filled with dimethyl ether

François Krummenacher

The Gas Pixel Detector belongs to the very limited class of gas detectors optimized for the measurement of X-ray polarization in the emission of astrophysical sources. The choice of the mixture in which X-ray photons are absorbed and photoelectrons propaga ...

2010

High-pressure study of anatase TiO2

László Forró, Arnaud Magrez, Richard Gaal, Helmuth Berger, Jacim Jacimovic, George Cristian Vaju

We report resistivity and thermo-electric power measurements of the anatase phase of TiO2 under pressure up to 2.3 GPa. Despite its transparent appearance, the single crystal of anatase exhibits a metallic-like resistivity above 60 K, at all pressures. The ...

2010

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

The compound

Ce_{12.60}Cd_{58.68(2)}

is a metrically commensurate representative of the incommensurately modulated phase

Ce_{13}Cd_{57+\delta}

. It is most likely a lock-in phase. The structure, which was solved using seeding of the modulation from thos ...

2008

Structural properties of organometalic halide perovskite and their application in photodetectors

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High performance solid-state mesoscopic solar cells

First-Principles Modeling of Mixed Halide Organometal Perovskites for Photovoltaic Applications

Core-Shell GaAs Nanowire p-n Junctions from Growth to Photovoltaic and Optoelectronic Applications

Multiscale transparent electrode architecture for efficient light management and carrier collection in solar cells

The luminescence of NaxEu3+(2−x)/3MoO4 scheelites depends on the number of Eu-clusters occurring in their incommensurately modulated structure

Photonic and Optoelectronic Devices Based on Mesoscopic Thin Films

Eu(III) Complexes of Tetradentate Ligands Related to 2,9-Di(pyrid-20-yl)-1,10-phenanthroline and 2,20-Bi-1,10-phenanthroline

Spectral and polarimetric characterization of the Gas Pixel Detector filled with dimethyl ether

High-pressure study of anatase TiO2

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

First-Principles Modeling of Mixed Halide Organometal Perovskites for Photovoltaic Applications

High performance solid-state mesoscopic solar cells

Multiscale transparent electrode architecture for efficient light management and carrier collection in solar cells

Photonic and Optoelectronic Devices Based on Mesoscopic Thin Films

Eu(III) Complexes of Tetradentate Ligands Related to 2,9-Di(pyrid-20-yl)-1,10-phenanthroline and 2,20-Bi-1,10-phenanthroline

The luminescence of NaxEu3+(2−x)/3MoO4 scheelites depends on the number of Eu-clusters occurring in their incommensurately modulated structure

Core-Shell GaAs Nanowire p-n Junctions from Growth to Photovoltaic and Optoelectronic Applications

All the Disorder Mechanisms in the 13:58 Phases Come Together. Out of the Modulated Confusion Rises the Remarkable Phase Ce12.60Cd58.68(2)

Spectral and polarimetric characterization of the Gas Pixel Detector filled with dimethyl ether

High-pressure study of anatase TiO2