scholarly journals Detection of the electronic structure of iron-(iii)-oxo oligomers forming in aqueous solutions

2017 ◽  
Vol 19 (48) ◽  
pp. 32226-32234 ◽  
Author(s):  
Robert Seidel ◽  
Katrin Kraffert ◽  
Anke Kabelitz ◽  
Marvin N. Pohl ◽  
Ralph Kraehnert ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Aqueous Solutions ◽  
Photoelectron Spectroscopy ◽  
Liquid Jet

The electronic structure of the small iron-oxo oligomers forming in iron-(iii) aqueous solutions is determined from liquid jet photoelectron spectroscopy.

scholarly journals The Fermi Level as an Energy Reference in Liquid Jet X-ray Photoelectron Spectroscopy Studies of Aqueous Solutions  

2021 ◽  
Author(s):  
Lucia Pérez Ramírez ◽  
Anthony Boucly ◽  
Florent Saudrais ◽  
F. Bournel ◽  
Jean-Jacques Gallet ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Aqueous Solutions ◽  
Photoelectron Spectroscopy ◽  
Photoemission Spectroscopy ◽  
Liquid Jet ◽  
X Ray ◽  
Invaluable Tool ◽  
Structure Of Aqueous Solutions ◽  
Spectroscopy Studies ◽  
Photocatalytic Processes

To advance an understanding of key electrochemical and photocatalytic processes that depend on the electronic structure of aqueous solutions, X-ray photoemission spectroscopy has become an invaluable tool, especially when practiced...

scholarly journals Electronic structure of aqueous-phase anatase titanium dioxide nanoparticles probed by liquid jet photoelectron spectroscopy

2019 ◽  
Vol 7 (12) ◽  
pp. 6665-6675 ◽  
Author(s):  
Hebatallah Ali ◽  
Robert Seidel ◽  
Arno Bergmann ◽  
Bernd Winter
Keyword(s):  
Titanium Dioxide ◽  
Electronic Structure ◽  
Aqueous Phase ◽  
Photoelectron Spectroscopy ◽  
Titanium Dioxide Nanoparticles ◽  
Liquid Jet ◽  
Water Interaction ◽  
Ph Dependent ◽  
Dependent Mechanism

Proposed pH-dependent mechanism of TiO2–water interaction.

The influence of aqueous solvent on the electronic structure and non-adiabatic dynamics of indole explored by liquid-jet photoelectron spectroscopy

2018 ◽  
Vol 212 ◽  
pp. 359-381 ◽  
Author(s):  
Gaurav Kumar ◽  
Anirban Roy ◽  
Ryan S. McMullen ◽  
Shanmukh Kutagulla ◽  
Stephen E. Bradforth
Keyword(s):  
Electronic Structure ◽  
Amino Acid ◽  
Photoelectron Spectroscopy ◽  
Liquid Jet ◽  
Time Resolved ◽  
Structure And Dynamics ◽  
Aqueous Solvent ◽  
Influence Of Water ◽  
Amino Acid Tryptophan ◽  
Adiabatic Dynamics

Time-resolved photoelectron spectroscopy (TRPES) in a liquid micro-jet is implemented here to investigate the influence of water on the electronic structure and dynamics of indole, the chromophore of the amino acid tryptophan.

scholarly journals Quantitative electronic structure and work-function changes of liquid water induced by solute

2021 ◽  
Author(s):  
Bruno Credidio ◽  
Michele Pugini ◽  
Sebastian Malerz ◽  
Florian Trinter ◽  
Uwe Hergenhahn ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Work Function ◽  
Liquid Water ◽  
Photoelectron Spectroscopy ◽  
Accurate Determination ◽  
Liquid Jet ◽  
Major Objective ◽  
Absolute Scale ◽  
Recent Advancement

Recent advancement in quantitative liquid-jet photoelectron spectroscopy enables the accurate determination of the absolute-scale electronic energetics of liquids and species in solution. The major objective of the present work is...

scholarly journals The electronic structure of the aqueous permanganate ion: aqueous-phase energetics and molecular bonding studied using liquid jet photoelectron spectroscopy

2020 ◽  
Vol 22 (36) ◽  
pp. 20311-20330
Author(s):  
Karen D. Mudryk ◽  
Robert Seidel ◽  
Bernd Winter ◽  
Iain Wilkinson
Keyword(s):  
Electronic Structure ◽  
Aqueous Phase ◽  
Photoelectron Spectroscopy ◽  
Liquid Jet ◽  
Molecular Bonding ◽  
Permanganate Ion

Liquid-jet photoelectron spectroscopy revealed the electronic structure of MnO4−(aq), O-ligand–water interactions, and aqueous-phase energetics of MnO4−(aq)/MnO4˙(aq.).

scholarly journals LiquidJet PES: Soft X-ray Photoelectron Spectroscopy from Aqueous Solution end-station at BESSY II

2017 ◽  
Vol 3 ◽  
Author(s):  
Bernd Winter
Keyword(s):  
Aqueous Solution ◽  
Electronic Structure ◽  
Synchrotron Radiation ◽  
Aqueous Solutions ◽  
Liquid Water ◽  
Photoelectron Spectroscopy ◽  
Vacuum Chamber ◽  
Glass Capillary ◽  
X Ray ◽  
Liquid Microjets

The LiquidJet PES apparatus is a specialized end-station at the synchrotron radiation facility BESSY II, Berlin, for studying the electronic structure of liquid water, aqueous and non-aqueous solutions with soft X-ray photoelectron spectroscopy. Targets are liquid microjets that are introduced into a vacuum chamber via a ~20 µm glass capillary.

scholarly journals Molecular species forming at the α-Fe2O3 nanoparticle–aqueous solution interface

2018 ◽  
Vol 9 (19) ◽  
pp. 4511-4523 ◽  
Author(s):  
Hebatallah Ali ◽  
Robert Seidel ◽  
Marvin N. Pohl ◽  
Bernd Winter
Keyword(s):  
Aqueous Solution ◽  
Electronic Structure ◽  
Photoelectron Spectroscopy ◽  
Water Adsorption ◽  
Electron Delocalization ◽  
Liquid Jet ◽  
Structure Interaction ◽  
Solution Interface ◽  
Fe2o3 Nanoparticle ◽  
Local Electronic Structure

Local electronic-structure interaction, dissociative water adsorption, and electron-delocalization time at the α-Fe2O3 nanoparticle–aqueous solution interface are revealed from liquid-jet photoelectron spectroscopy at the oxygen-1s and iron-2p resonances.

scholarly journals Fabrication of Carboxymethylcellulose/Metal-Organic Framework Beads for Removal of Pb(II) from Aqueous Solution

Materials ◽  
2019 ◽  
Vol 12 (6) ◽  
pp. 942 ◽  
Author(s):  
Huo-Xi Jin ◽  
Hong Xu ◽  
Nan Wang ◽  
Li-Ye Yang ◽  
Yang-Guang Wang ◽  
...  
Keyword(s):  
Aqueous Solutions ◽  
Adsorption Capacity ◽  
Photoelectron Spectroscopy ◽  
Langmuir Isotherm ◽  
Adsorption Equilibrium ◽  
Isotherm Model ◽  
Maximum Adsorption Capacity ◽  
X Ray ◽  
Metal Organic ◽  
Langmuir Isotherm Model

The ability to remove toxic heavy metals, such as Pb(II), from the environment is an important objective from both human-health and ecological perspectives. Herein, we describe the fabrication of a novel carboxymethylcellulose-coated metal organic material (MOF-5–CMC) adsorbent that removed lead ions from aqueous solutions. The adsorption material was characterized by Fourier-transform infrared spectroscopy, X-ray diffractometry, scanning electron microscopy, and X-ray photoelectron spectroscopy. We studied the functions of the contact time, pH, the original concentration of the Pb(II) solution, and adsorption temperature on adsorption capacity. MOF-5–CMC beads exhibit good adsorption performance; the maximum adsorption capacity obtained from the Langmuir isotherm-model is 322.58 mg/g, and the adsorption equilibrium was reached in 120 min at a concentration of 300 mg/L. The adsorption kinetics is well described by pseudo-second-order kinetics, and the adsorption equilibrium data are well fitted to the Langmuir isotherm model (R2 = 0.988). Thermodynamics experiments indicate that the adsorption process is both spontaneous and endothermic. In addition, the adsorbent is reusable. We conclude that MOF-5–CMC is a good adsorbent that can be used to remove Pb(II) from aqueous solutions.

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