Results 101 to 110 of about 333,648 (309)

Demonstration of an All‐Optical AND Gate Mediated by Photochromic Molecules

Advanced Functional Materials, EarlyView.
A logic AND gate that runs on photons is demonstrated. It relies on two spatially separated photochromic molecules that work in tandem. Abstract The realization of a photonic logic AND gate, i.e. a logic AND gate that runs on photons rather than electrons, and where all steps are controlled by light, is demonstrated. In a proof‐of‐principle experiment,
Heyou Zhang, Max Gießübel, Pankaj Dharpure, Andrea Albert, Vira Niestierkina, Paul Mulvaney, Mukundan Thelakkat, Jürgen Köhler   +7 more
wiley   +1 more source

A Triarylamine-Triarylborane Dyad with a Photochromic Dithienylethene Bridge [PDF]

, 2012
A molecular triad composed of a triarylamine donor, a triarylborane acceptor, and a photoisomerizable dithienylethene bridge has been synthesized and explored by cyclic voltammetry, UV–vis, and luminescence spectroscopy.
He, Bice, Mengel, Andreas K. C., Wenger, Oliver S.   +2 more
core   +1 more source

Structure and UV–Vis spectroscopy of nitrosylthiolatoferrate mononuclear complexes

Journal of Organometallic Chemistry, 2004
Abstract Density functional calculations for the [(RS)xFe(NO)4−x]− (R=CH3) compounds are carried out using the DFT method with the B3LYP functional. The results can be verified by the experimental data only in the case of the [(RS)2Fe(NO)2]− complex.
Jaworska, Maria, Stasicka, Zofia
openaire   +2 more sources

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

Advanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr, Alexander Biewald, Andre Mähringer, Thaddäus J. Koller, Peter Mayer, Markus Döblinger, Achim Hartschuh, Dana D. Medina   +7 more
wiley   +1 more source

The High Resolution Infrared Spectrum of HCl+ [PDF]

, 2016
The chloroniumyl cation, HCl+, has been recently identified in space from Herschel’s spectra. A joint analysis of extensive vis-UV spectroscopy emission data together with a few high-resolution and high-accuracy millimiter-wave data provided the ...
Cernicharo, José, Doménech, José Luis, Drouin, Brian, Herrero, Víctor J., Tanarro, Isabel   +4 more
core   +2 more sources

Highly Sensitive Electrochemical Biosensor Based on Hairy Particles with Controllable High Enzyme Loading and Activity

Advanced Functional Materials, EarlyView.
For the first time, a highly sensitive electrochemical biosensor based on SiO2‐based hairy particles with a grafted PDMAEMA polymer brush containing a quantifiable and large amount of immobilized Laccase is reported. The fabricated biosensor exhibits a sensitivity of 0.14 A·m⁻¹, a limit of detection (LOD) of 0.1 µm, and a detection range of 0.3–750 µm,
Pavel Milkin, Anila Antony, Hongtao Cai, Antonia Debevc, Ceyda Topal, Anne Linhardt, Alla Synytska, Leonid Ionov   +7 more
wiley   +1 more source

Mechanically stacked 1 nm thick carbon nanosheets: Ultrathin layered materials with tunable optical, chemical and electrical properties

, 2011
Carbon nanosheets are mechanically stable free-standing two-dimensional materials with a thickness of ~1 nm and well defined physical and chemical properties. They are made by radiation induced cross-linking of aromatic self-assembled monolayers. Here we
Akcoltekin, Ariga, Beyer, Beyer, Biebricher, Blake, Blyth, Born, Casiraghi, Cheng, Decher, Djurisic, Dobrowolski, Eck, Ferrari, Gaskell, Geim, Geyer, Gray, Gölzhäuser, Hecht, Hellmich, Jackson, Jung, Kado, Köhler, Küller, Laibinis, Larouche, Lorentz, Lorenz, Love, Ni, Nottbohm, Nottbohm, Nottbohm, Novoselov, Palik, Papoular, Perkampus, Plummer, Rajca, Rajca, Rao, Roddaro, Sakamoto, Schnietz, Schultz, Sernelius, Sette, Stumpe, Tanuma, Turchanin, Turchanin, Turchanin, Turchanin, Turchanin, Ulman, Unarunotai, Zheng   +59 more
core   +1 more source

Biomass Native Structure Into Functional Carbon‐Based Catalysts for Fenton‐Like Reactions

Advanced Functional Materials, EarlyView.
This study indicates that eight biomasses with 2D flaky and 1D acicular structures influence surface O types, morphology, defects, N doping, sp2 C, and Co nanoparticles loading in three series of carbon, N‐doped carbon, and cobalt/graphitic carbon. This work identifies how these structural factors impact catalytic pathways, enhancing selective electron
Wenjie Tian, Jingkai Lin, Zhihao Tian, Selusiwe Ncube, Huayang Zhang, Emiliano Cortés, Hongqi Sun, Shaobin Wang   +7 more
wiley   +1 more source

Materiais híbridos orgânico-inorgânicos (ormosil) obtidos por sol-gel com potencial uso como filtro solar

Química Nova, 2011
This work aimed at the synthesis and characterization of particles of modified silica containing the organic filter dibenzoylmethane (DBM) by the hydrolytic sol-gel method, with modifications to the Stöber route.
Jane K. de F. B. Machado, Alex L. Marçal, Omar J. de Lima, Katia J. Ciuffi, Eduardo J. Nassar, Paulo S. Calefi   +5 more
doaj   +1 more source

Characterization of wine fermentations using fiber optic-mediated UV-VIS-SWNIR spectroscopy [PDF]

, 2011
Spectroscopy is widely used in biological sciences, being applied to liquids, pastes, powders, films, fibers, gases and surfaces. It makes possible to characterize proteins, peptides, lipids, membranes and carbohydrates in pharmaceuticals, foods, plants ...
Castro, C. C., Duarte, Ricardo Franco, Martins, Rui C., Mendes, Inês, Schuller, Dorit Elisabeth, Silva, J. S., Vicente, A. A.   +6 more
core