Géométrie moléculaire plane trigonale

Science de la nature
Chimie
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Publications associées (27)

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Analytic first derivatives of floating occupation molecular orbital-complete active space configuration interaction on graphical processing units

Marine Eva Fedora Bouduban

The floating occupation molecular orbital-complete active space configuration interaction (FOMO-CASCI) method is a promising alternative to the state-averaged complete active space self-consistent field (SA-CASSCF) method. We have formulated the analytic f ...

Amer Inst Physics2015

Complex image method for RF antenna-plasma inductive coupling calculation in planar geometry. Part II: measurements on a resonant network

Ivo Furno, Alan Howling, Philippe Frédérique Bruno Guittienne, Rémy Jacquier

Measurements and analysis of a radio-frequency planar antenna are presented for applications in inductively-coupled plasma processing. The network of inductive and capacitive elements exhibits high currents under resonance which are efficient for plasma ge ...

Iop Publishing Ltd2015

Synthesis and structural elucidation of bioactive triorganotin (IV) derivatives of sodium deoxycholate

Rosario Scopelliti

Trimethyl (1), tributyl (2), and triphenyl tin (3) derivatives of sodium (R)-4-((3R, 5R, 8R, 9S, 10S, 12S, 13R, 14S, 17R)-3,12-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a] phenanthren-17-yl)pentanoate (sodium deoxycholate) were synthesized by re ...

Taylor & Francis Ltd2014

Harvesting UV Photons for Solar Energy Conversion Applications

Jacques-Edouard Moser, Magdalena Anna Marszalek, Mateusz Barnaba Wielopolski

We report the synthesis and characterization of five new donor–π–spacer–acceptor dye molecules with a diphenylamine donor, fluorene–1,2,5-oxadiazole spacers and a range of acceptor/anchor groups (carboxylic acid 1, cyanoacrylic acid 2 and 3, alcohol 4 and ...

Royal Soc Chemistry2014

Curved artificial compound-eyes for autonomous navigation

Ramon Pericet Camara

Natural compound-eyes consist of a large number of ommatidia that are arranged on curved surfaces and thus are able to detect signals from a wide field of view. We present an integrated artificial compound-eye sensor system with enhanced field of view of 1 ...

SPIE-INT SOC OPTICAL ENGINEERING2014

Generation of Whistler-Wave Heated Discharges with Planar Resonant rf Networks

Christoph Hollenstein, Alan Howling, Philippe Frédérique Bruno Guittienne

Magnetized plasma discharges generated by a planar resonant rf network are investigated. A regime transition is observed above a magnetic field threshold, associated with rf waves propagating in the plasma and which present the characteristics of whistler ...

Amer Physical Soc2013

Speciation of aqueous tellurium(IV) in hydrothermal solutions and vapors, and the role of oxidized tellurium species in Te transport and gold deposition

Lothar Helm, Pascal Grundler

Despite the close association between tellurium (Te) and gold (Au) in many epithermal, orogenic, and intrusion-related hydrothermal ore deposits, the hydrothermal chemistry of Te remains poorly understood. We studied the protonation/ deprotonation and stru ...

Elsevier2013

Significant Improvement of Dye-Sensitized Solar Cell Performance by Small Structural Modification in π-Conjugated Donor-Acceptor Dyes

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Robin Humphry-Baker, Joël Teuscher, Magdalena Anna Marszalek, Mateusz Barnaba Wielopolski, Amaresh Mishra

Two donor-π-acceptor (D-π-A) dyes are synthesized for application in dye- sensitized solar cells (DSSC). These D-π-A sensitizers use triphenylamine as donor, oligothiophene as both donor and π-bridge, and benzothiadiazole (BTDA)/cyanoacrylic acid as accept ...

Wiley-Blackwell2012

Facile fabrication of nanofluidic diode membranes using anodic aluminium oxide

Jürgen Brugger, Philippe Renaud, Arnaud Bertsch, Songmei Wu, Oscar Vazquez Mena, Fabien Patrick Wildhaber

Active control of ion transport plays important roles in chemical and biological analytical processes. Nanofluidic systems hold the promise for such control through electrostatic interaction between ions and channel surfaces. Most existing experiments rely ...

Royal Soc Chemistry2012

DNA Reactivity Profile of trans-Platinum Planar Amine Derivatives

Alexey Nazarov

New trans-platinum planar amines (TPAs) represent a family of platinum-based drugs with cytotoxicity equivalent to that of cisplatin, but with negligible cross-resistance. According to the substitution pattern around the metal center, distinct DNA adducts ...

2011

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