Rainer Pärna
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View article: Gas-Phase Pes and Gw Investigation of Two Widespread Herbicides: Mcpa and 2,4-Dichlorophenoxyacetic Acid
Gas-Phase Pes and Gw Investigation of Two Widespread Herbicides: Mcpa and 2,4-Dichlorophenoxyacetic Acid Open
View article: Reusable magnetic mixture of CuFe<sub>2</sub>O<sub>4</sub>–Fe<sub>2</sub>O<sub>3</sub> and TiO<sub>2</sub> for photocatalytic degradation of pesticides in water
Reusable magnetic mixture of CuFe<sub>2</sub>O<sub>4</sub>–Fe<sub>2</sub>O<sub>3</sub> and TiO<sub>2</sub> for photocatalytic degradation of pesticides in water Open
Mixture of TiO 2 -P25 and magnetic CuFe 2 O 4 –Fe 2 O 3 nanocomposites improves photocatalytic water treatment and enables easy catalyst recovery, effectively degrading pollutants like 2,4-D.
View article: Gas-Sensing Properties of Graphene Functionalized with Ternary Cu-Mn Oxides for E-Nose Applications
Gas-Sensing Properties of Graphene Functionalized with Ternary Cu-Mn Oxides for E-Nose Applications Open
Chemiresistive gas sensors were produced by functionalizing graphene with a ~3 nm layer of mixed oxide xCu2O⸱yMnO using pulsed laser deposition (PLD) from a hopcalite CuMn2O4 target. Sensor response time traces were recorded for strongly o…
View article: Recent advances in time-resolved luminescence spectroscopy at MAX IV and PETRA III storage rings
Recent advances in time-resolved luminescence spectroscopy at MAX IV and PETRA III storage rings Open
Short-wavelength synchrotron radiation excitation has been an indispensable tool in the studies of the properties of wide gap materials using time-resolved low-temperature luminescence spectroscopy. In recent years, several setups for such…
View article: A new user-friendly materials science end station at the FinEstBeAMS beamline of MAX IV
A new user-friendly materials science end station at the FinEstBeAMS beamline of MAX IV Open
FinEstBeAMS is an atmospheric and materials science beamline located at the 1.5 GeV storage ring of the MAX IV Laboratory in Lund, Sweden. It offers a very wide photon energy range 4.5-1300 eV and radiation with different polarization char…
View article: Antimicrobial Activity of Commercial Photocatalytic SaniTise™ Window Glass
Antimicrobial Activity of Commercial Photocatalytic SaniTise™ Window Glass Open
Photocatalytic and antibacterial properties of TiO2-based SaniTise™ glass by Pilkington were studied with an aim to benchmark this first commercial UVA-activated antimicrobial glass and to evaluate its efficacy in indoor-like conditions. F…
View article: Preparation and Characterization of Photocatalytically Active Antibacterial Surfaces Covered with Acrylic Matrix Embedded Nano-ZnO and Nano-ZnO/Ag
Preparation and Characterization of Photocatalytically Active Antibacterial Surfaces Covered with Acrylic Matrix Embedded Nano-ZnO and Nano-ZnO/Ag Open
In the context of healthcare-acquired infections, microbial cross-contamination and the spread of antibiotic resistance, additional passive measures to prevent pathogen carryover are urgently needed. Antimicrobial high-touch surfaces that …
View article: The Electrochemical Behaviour of Quaternary Amine-Based Room-Temperature Ionic Liquid N4111(TFSI)
The Electrochemical Behaviour of Quaternary Amine-Based Room-Temperature Ionic Liquid N4111(TFSI) Open
In this study, we used the in situ X-ray photoelectron spectroscopy (XPS), in situ mass spectroscopy, cyclic voltammetry and electrochemical impedance spectroscopy methods, for the first time, in a detailed exploration of the electrochemic…
View article: Ion fragmentation study of [EMMIM][TFSI], [EMIM][OTf] and [EMIM][DCA] by vacuum ultraviolet light
Ion fragmentation study of [EMMIM][TFSI], [EMIM][OTf] and [EMIM][DCA] by vacuum ultraviolet light Open
View article: Performance and characterization of the FinEstBeAMS beamline at the MAX IV Laboratory
Performance and characterization of the FinEstBeAMS beamline at the MAX IV Laboratory Open
FinEstBeAMS (Finnish–Estonian Beamline for Atmospheric and Materials Sciences) is a multidisciplinary beamline constructed at the 1.5 GeV storage ring of the MAX IV synchrotron facility in Lund, Sweden. The beamline covers an extremely wid…
View article: Relaxation of electronic excitations in K2GeF6 studied by means of time-resolved luminescence spectroscopy under VUV and pulsed electron beam excitation
Relaxation of electronic excitations in K2GeF6 studied by means of time-resolved luminescence spectroscopy under VUV and pulsed electron beam excitation Open
Highly crystalline K2GeF6 micropowders were prepared by co-precipitation in the hydrofluoric acid-water-alcohol solution and studied by means of the cathodoluminescence and time-resolved luminescence spectroscopy under synchrotron radiatio…
View article: Ionic Liquid Vapors in Vacuum: Possibility to Derive Anodic Stabilities from DFT and UPS
Ionic Liquid Vapors in Vacuum: Possibility to Derive Anodic Stabilities from DFT and UPS Open
Ultraviolet photoelectron spectroscopy (UPS) investigations of several gas-phase ionic liquid (IL) ion pairs have been conducted. [EMIM][OTF], [PYR14][OTF], [EMIM][DCA], [PYR14][DCA], [PYR14][TCM], [PYR
View article: Gas-phase endstation of electron, ion and coincidence spectroscopies for diluted samples at the FinEstBeAMS beamline of the MAX IV 1.5 GeV storage ring
Gas-phase endstation of electron, ion and coincidence spectroscopies for diluted samples at the FinEstBeAMS beamline of the MAX IV 1.5 GeV storage ring Open
Since spring 2019 an experimental setup consisting of an electron spectrometer and an ion time-of-flight mass spectrometer for diluted samples has been available for users at the FinEstBeAMS beamline of the MAX IV Laboratory in Lund, Swede…
View article: A five-axis parallel kinematic mirror unit for soft X-ray beamlines at MAX IV
A five-axis parallel kinematic mirror unit for soft X-ray beamlines at MAX IV Open
With the introduction of the multi-bend achromats in the new fourth-generation storage rings the emittance has decreased by an order of magnitude resulting in increased brightness. However, the higher brightness comes with smaller beam siz…
View article: Advanced Synchrotron Radiation Techniques for Nanostructured Materials
Advanced Synchrotron Radiation Techniques for Nanostructured Materials Open
Nanostructured materials exploit physical phenomena and mechanisms that cannot be derived by simply scaling down the associated bulk structures and phenomena; furthermore, new quantum effects come into play in nanosystems. The exploitation…
View article: The electronic structure of ionic liquids based on the TFSI anion: A gas phase UPS and DFT study
The electronic structure of ionic liquids based on the TFSI anion: A gas phase UPS and DFT study Open
View article: In Situ X-ray Photoelectron Spectroscopic and Electrochemical Studies of the Bromide Anions Dissolved in 1-Ethyl-3-Methyl Imidazolium Tetrafluoroborate
In Situ X-ray Photoelectron Spectroscopic and Electrochemical Studies of the Bromide Anions Dissolved in 1-Ethyl-3-Methyl Imidazolium Tetrafluoroborate Open
Influence of electrode potential on the electrochemical behavior of a 1-ethyl-3-methylimidazolium tetrafluoroborate (EMImBF4) solution containing 5 wt % 1-ethyl-3-methylimidazolium bromide (EMImBr) has been investigated using electrochemic…
View article: Progress in development of a new luminescence setup at the FinEstBeAMS beamline of the MAX IV laboratory
Progress in development of a new luminescence setup at the FinEstBeAMS beamline of the MAX IV laboratory Open
View article: Yttrium-doped hematite photoanodes for solar water splitting: Photoelectrochemical and electronic properties
Yttrium-doped hematite photoanodes for solar water splitting: Photoelectrochemical and electronic properties Open
View article: FinEstBeaMS – A wide-range Finnish-Estonian Beamline for Materials Science at the 1.5 GeV storage ring at the MAX IV Laboratory
FinEstBeaMS – A wide-range Finnish-Estonian Beamline for Materials Science at the 1.5 GeV storage ring at the MAX IV Laboratory Open
View article: The Electrochemical Behavior of 1-Ethyl-3-Methyl Imidazolium Tetracyanoborate Visualized by In Situ X-ray Photoelectron Spectroscopy at the Negatively and Positively Polarized Micro-Mesoporous Carbon Electrode
The Electrochemical Behavior of 1-Ethyl-3-Methyl Imidazolium Tetracyanoborate Visualized by In Situ X-ray Photoelectron Spectroscopy at the Negatively and Positively Polarized Micro-Mesoporous Carbon Electrode Open
The electrochemical properties of the C(Mo2C) | EMImB(CN)4 system have been analyzed using cyclic voltammetry, in situ X-ray photoelectron spectroscopy and electrochemical impedance spectroscopy techniques. The cyclic voltammetry and elect…
View article: Influence of Iodide Ions Concentration on the Stability of 1-Ethyl-3-methylimidazolium Tetrafluoroborate | Molybdenum Carbide Derived Carbon Electrode Interface
Influence of Iodide Ions Concentration on the Stability of 1-Ethyl-3-methylimidazolium Tetrafluoroborate | Molybdenum Carbide Derived Carbon Electrode Interface Open
Influence of the iodide ions adsorption on the in situ measured X-ray photoelectron spectra of C 1s, N 1s, B 1s, F 1s and I 3d photoelectrons, indicating the changes in the chemical composition taking place at the carbon (C) | 1-ethyl-3-me…
View article: Correction: A straightforward and “green” solvothermal synthesis of Al doped zinc oxide plasmonic nanocrystals and piezoresistive elastomer nanocomposite
Correction: A straightforward and “green” solvothermal synthesis of Al doped zinc oxide plasmonic nanocrystals and piezoresistive elastomer nanocomposite Open
Correction for ‘A straightforward and “green” solvothermal synthesis of Al doped zinc oxide plasmonic nanocrystals and piezoresistive elastomer nanocomposite’ by Andris Šutka et al., RSC Adv., 2015, 5, 63846–63852.