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1,864 Newest Publications about the topic solution

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p‐Si/SnO2/Fe2O3 Core/Shell/Shell Nanowire Photocathodes for Neutral pH Water Splitting

21-Mar-2015 | Alireza Kargar, Sung Joo Kim, Paniz Allameh, Chulmin Choi, Namseok Park, Huisu Jeong, Yusin Pak, Gun Young Jung, Xia ..., Advanced Functional Materials, 2015

Silicon is one of the promising materials for solar water splitting and hydrogen production; however, it suffers from two key factors, including the large external potential required to drive water splitting reactions at its surface and its instability in the electrolyte. In this study, a ...

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Oxidative Degradation of Nalidixic Acid by Nano-magnetite via Fe2+/O2-Mediated Reactions

20-Mar-2015 | Sandy G. Ardo; Sylvie Nélieu; Georges Ona-Nguema; Ghislaine Delarue; Jessica Brest; Elsa Pironin; Guillaume Morin, Environmental Science & Technology, 2015

Organic pollution has become a critical issue worldwide due to the increasing input and persistence of organic compounds in the environment. Iron minerals are potentially able to degrade efficiently organic pollutants sorbed to their surfaces via oxidative or reductive transformation processes. ...

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In Situ Formation of Cobalt Oxide Nanocubanes as Efficient Oxygen Evolution Catalysts

19-Mar-2015 | Gregory S. Hutchings; Yan Zhang; Jian Li; Bryan T. Yonemoto; Xinggui Zhou; Kake Zhu; Feng Jiao, Journal of the American Chemical Society, 2015

Oxygen evolution from water poses a significant challenge in solar fuel production because it requires an efficient catalyst to bridge the one-electron photon capture process with the four-electron oxygen evolution reaction (OER). Here, a new strategy was developed to synthesize nonsupported ...

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Phototransformation mechanism of monuron induced by the triplet benzophenone in aqueous solution

18-Mar-2015 | Qiuxia Wu, Xuming Zheng, Kemei Pei, Journal of Physical Organic Chemistry, 2015

Phototransformation mechanism of monuron induced by the triplet benzophenone in aqueous solution was investigated by laser flash photolysis technique, while quenching of the triplet benzophenone by monuron was studied by nanosecond transient absorption spectroscopy. The transient species in the ...

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X-ray Accelerated Photo-Oxidation of As(III) in Solution

17-Mar-2015 | Jesus Canche-Tello; M. Cristina Vargas; Jorge Hérnandez-Cobos; Iván Ortega-Blake; Amelie Leclercq; Pierre Lorenzo So ..., Journal of Physical Chemistry A, 2015

We performed near edge X-ray absorption spectroscopy (XANES) measurements on the arsenic K-edge of As(III) in solution under acidic and basic conditions, after exposure of the solutions to air. Spectra were recorded for increasing exposure times to the X-rays used to perform absorption ...

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Synthesis, Electronic Properties and WOLED Devices of Planar Phosphorus‐Containing Polycyclic Aromatic Hydrocarbons

11-Mar-2015 | François Riobé, Rózsa Szűcs, Pierre‐Antoine Bouit, Denis Tondelier, Bernard Geffroy, Fátima Aparicio, Julia Buendía, ..., Chemistry - A European Journal, 2015

Abstract We describe the synthesis and the physical properties of polyaromatic hydrocarbons (PAHs) containing a phosphorus atom at the edge. In particular, the impact of the successive addition of aromatic rings on the electronic properties was investigated by experimental (UV/Vis absorption, ...

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Fully printed organic tandem solar cells using solution-processed silver nanowires and opaque silver as charge collecting electrodes

11-Mar-2015 | Fei Guo; Ning Li; Vuk V. Radmilović; Velimir R. Radmilović; Mathieu Turbiez; Erdmann Spiecker; Karen Forberich; Chri ..., Energy & Environmental Science, 2015

We report in this work efficient, fully printed tandem organic solar cells (OSCs) using solution-processed silver as the reflective bottom electrode and silver nanowires as the transparent top electrode. Employing two different band-gap photoactive materials with complementary absorption, the ...

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NMR Techniques for Noble Metal Nanoparticles

11-Mar-2015 | Lauren E. Marbella; Jill E. Millstone, Chemistry of Materials, 2015

Solution phase noble metal nanoparticle growth reactions are comprised of deceptively simple steps. Analytical methods with high chemical, spatial, and temporal resolution are crucial to understanding these reactions and subsequent nanoparticle properties. However, approaches for the ...

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Absorption and Emission Spectral Shapes of a Prototype Dye in Water by Combining Classical/Dynamical and Quantum/Static Approaches

10-Mar-2015 | Alessio Petrone; Javier Cerezo; Francisco J. Avila Ferrer; Greta Donati; Roberto Improta; Nadia Rega; Fabrizio Santoro, Journal of Physical Chemistry A, 2015

We study the absorption and emission electronic spectra in an aqueous solution of N-methyl-6-oxyquinolinium betaine (MQ), an interesting dye characterized by a large change of polarity and H-bond ability between the ground (S0) and the excited (S1) states. To that end we compare alternative ...

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Kinetically Stable Lanthanide Complexes Displaying Exceptionally High Quantum Yields upon Long-Wavelength Excitation: Synthesis, Photophysical Properties, and Solution Speciation

09-Mar-2015 | Jack D. Routledge; Michael W. Jones; Stephen Faulkner; Manuel Tropiano, Inorganic Chemistry, 2015

We demonstrate how highly emissive, kinetically stable complexes can be prepared using the macrocyclic scaffold of DO3A bearing coordinating aryl ketones as highly effective sensitizing chromophores. In the europium complexes, high quantum yields (up to 18% in water) can be combined with ...

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