Concept

Électronique moléculaire

Publications associées (113)

Conductivity in organic semiconductors hybridized with the vacuum field

Much effort over the past decades has been focused on improving carrier mobility in organic thin-film transistors by optimizing the organization of the material or the device architecture. Here we take a different path to solving this problem, by injecting ...

Nature Publishing Group2015

NIR sensitive organic dyes for tandem solar cells and transparent photodiodes

Hui Zhang

Due to advantages such as mechanical flexibility, light weight and the prospect to use low-cost roll-to-roll manufacturing processes, organic semiconductors have been widely investi-gated in many application areas as alternatives for their inorganic counte ...

EPFL2015

Theory And Practice Of Uncommon Molecular Electronic Configurations

Ganna Gryn'ova

The electronic conﬁguration of the molecule is the foundation of its structure and reactivity. The spin state is one of the key characteristics arising from the ordering of electrons within the molecule’s set of orbitals. Organic molecules that have open-s ...

Wiley-Blackwell2015

Photoelectrochemical Polymerization of EDOT for Solid State Dye Sensitized Solar Cells: Role of Dye and Solvent

Nikolaos Vlachopoulos, Ulf Anders Hagfeldt

The aromatic-unit, commercially available, and cost-effective precursor 3, 4-ethylenedioxythiophene (EDOT), was employed instead of bis-EDOT to generate by in-situ photoelectrochemical polymerization (PEP) a conducting polymer-type hole conductor poly (3, ...

Pergamon-Elsevier Science Ltd2015

Exciton dynamics of C-60-based single-photon emitters explored by Hanbury Brown-Twiss scanning tunnelling microscopy

Klaus Kern, Anna Maria Roslawska, Christoph Grosse

Exciton creation and annihilation by charges are crucial processes for technologies relying on charge-exciton-photon conversion. Improvement of organic light sources or dye-sensitized solar cells requires methods to address exciton dynamics at the molecula ...

Nature Publishing Group2015

Molecular Engineering of Pyrido[3,4-b]pyrazine-Based Donor-Acceptor-pi- Acceptor Organic Sensitizers: Effect of Auxiliary Acceptor in Cobalt- and Iodine-Based Electrolytes

Michael Graetzel, Shaik Mohammed Zakeeruddin, Fabrizio Giordano, Jean-David Décoppet, Bo Liu

Due to the ease of tuning its redox potential, the cobalt-based redox couple has been extensively applied for highly efficient dye-sensitized solar cells (DSSCs) with extraordinarily high photovoltages. However, a cobalt electrolyte needs particular struct ...

Wiley-Blackwell2015

Conducting polymer electrodes for auditory brainstem implants

Stéphanie Lacour, Nicolas Vachicouras, Amélie Anne Guex

The auditory brainstem implant (ABI) restores hearing in patients with damaged auditory nerves. One of the main ideas to improve the efficacy of ABIs is to increase spatial specificity of stimulation, in order to minimize extra-auditory side-effects and to ...

Royal Soc Chemistry2015

Steep-slope Metal-Insulator-Transition VO2 Switches with Temperature-Stable High ION

Mihai Adrian Ionescu, Clara-Fausta Moldovan, Josef Andreas Schuler, Michele Tamagnone, Wolfgang Amadeus Vitale, Antonio Paone

This work reports a detailed experimental investigation of the slope of the current switching between OFF and ON states exploiting the metal-insulator-transition in vanadium dioxide devices. The reported devices are CMOS compatible 2-terminal switches. We ...

Institute of Electrical and Electronics Engineers2015

A dopant free linear acene derivative as a hole transport material for perovskite pigmented solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Peng Gao, Francisco Javier Ramos Mellado

A solution processable, molecular organic semiconductor, 6,13-bis(triisopropylsilylethynyl) pentacene (TIPS-pentacene), was employed as hole transport material (HTM) in mesoscopic methylammonium lead iodide perovskite solar cells. TIPS-pentacene is potenti ...

Royal Soc Chemistry2015

Synthetic chemistry with nitrous oxide

Kay Severin

This review article summarizes efforts to use nitrous oxide (N2O, ‘laughing gas’) as a reagent in synthetic chemistry. The focus will be on reactions which are carried out in homogeneous solution under (relatively) mild conditions. First, the utilization o ...

2015

Graph Chatbot

Chattez avec Graph Search

Posez n’importe quelle question sur les cours, conférences, exercices, recherches, actualités, etc. de l’EPFL ou essayez les exemples de questions ci-dessous.

AVERTISSEMENT : Le chatbot Graph n'est pas programmé pour fournir des réponses explicites ou catégoriques à vos questions. Il transforme plutôt vos questions en demandes API qui sont distribuées aux différents services informatiques officiellement administrés par l'EPFL. Son but est uniquement de collecter et de recommander des références pertinentes à des contenus que vous pouvez explorer pour vous aider à répondre à vos questions.

Connectez-vous pour utiliser Chat avec Graph Search