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Themed collection Bunsentagung 2016: Basic Mechanisms in Energy Conversion

16 items
Editorial

Editorial of the PCCP themed issue on “Basic Mechanisms in Energy Conversion”

This themed collection reports on recent progress in the development of technologies, methods, materials and reactions for energy conversion with a particular focus on basic mechanisms.

Graphical abstract: Editorial of the PCCP themed issue on “Basic Mechanisms in Energy Conversion”
Open Access Communication

Ultrafast excited state dynamics of iridium(III) complexes and their changes upon immobilisation onto titanium dioxide layers

The unprecedented polarisation dependent excited state dynamics of iridium photosensitisers: new features of a well-known dye family.

Graphical abstract: Ultrafast excited state dynamics of iridium(iii) complexes and their changes upon immobilisation onto titanium dioxide layers
Open Access Paper

Charge carrier dynamics of methylammonium lead iodide: from PbI2-rich to low-dimensional broadly emitting perovskites

Broadband transient absorption spectroscopy reveals an increased carrier recombination rate constant of low-dimensional perovskites.

Graphical abstract: Charge carrier dynamics of methylammonium lead iodide: from PbI2-rich to low-dimensional broadly emitting perovskites
From the themed collection: 2016 most accessed PCCP articles
Paper

Identification and exclusion of intermediates of photocatalytic CO2 reduction on TiO2 under conditions of highest purity

On TiO2 P25, CO is not an intermediate in photocatalytic CO2 reduction; instead, a mechanism involving C2 intermediates is likely.

Graphical abstract: Identification and exclusion of intermediates of photocatalytic CO2 reduction on TiO2 under conditions of highest purity
Open Access Paper

Elucidation of adsorption processes at the surface of Pt(331) model electrocatalysts in acidic aqueous media

The Pt(331) surface has long been known to be the most active pure metal electrocatalyst for the oxygen reduction reaction (ORR) in acidic media.

Graphical abstract: Elucidation of adsorption processes at the surface of Pt(331) model electrocatalysts in acidic aqueous media
Paper

Adjusting the thermoelectric properties of copper(I) oxide–graphite–polymer pastes and the applications of such flexible composites

We present in our manuscript the full path from concept to characterization, optimization and application of thermoelectric pastes.

Graphical abstract: Adjusting the thermoelectric properties of copper(i) oxide–graphite–polymer pastes and the applications of such flexible composites
Open Access Paper

Methanol synthesis via CO2 hydrogenation over a Au/ZnO catalyst: an isotope labelling study on the role of CO in the reaction process

Applying isotope labelling studies it is demonstrated that CO2 is the main source for MeOH formation from CO2/CO/H2 mixtures on Au/ZnO.

Graphical abstract: Methanol synthesis via CO2 hydrogenation over a Au/ZnO catalyst: an isotope labelling study on the role of CO in the reaction process
Open Access Paper

Reactive oxygen species formed in organic lithium–oxygen batteries

The generation of reactive oxygen species has been assumed to occur during the charging reaction of lithium-oxygen batteries with organic electrolytes. Here we show independently by fluorescence microscopy and scanning electrochemical microscopy that superoxide is also formed and released into the solution during the discharge reaction.

Graphical abstract: Reactive oxygen species formed in organic lithium–oxygen batteries
Paper

In search of metal hydrides: an X-ray absorption and emission study of [NiFe] hydrogenase model complexes

Insight into the factors that favor metal–hydride interactions in NiFe-hydrogenase models is obtained through X-ray spectroscopic and quantum chemical studies.

Graphical abstract: In search of metal hydrides: an X-ray absorption and emission study of [NiFe] hydrogenase model complexes
Paper

Electrochemically induced sol–gel deposition of ZnO films on Pt-nanoparticle modified FTO surfaces for enhanced photoelectrocatalytic energy conversion

Integration of Pt-nanoparticles between ZnO used as a photo absorber and FTO results in higher IPCE values as compared to ZnO films deposited on unmodified FTO.

Graphical abstract: Electrochemically induced sol–gel deposition of ZnO films on Pt-nanoparticle modified FTO surfaces for enhanced photoelectrocatalytic energy conversion
Paper

Calorimetric and spectroscopic studies on solvation energetics for H2 storage in the CO2/HCOOH system

The role of solvent interactions in H2-storage/delivery in the carbon dioxide–formic acid couple.

Graphical abstract: Calorimetric and spectroscopic studies on solvation energetics for H2 storage in the CO2/HCOOH system
Paper

Band engineering for efficient catalyst-substrate coupling for photoelectrochemical water splitting

To achieve an overall efficient solar water splitting device, not only the efficiencies of photo-converter and catalyst are decisive, but also their appropriate coupling must be considered.

Graphical abstract: Band engineering for efficient catalyst-substrate coupling for photoelectrochemical water splitting
Paper

Redox potential tuning by redox-inactive cations in nature's water oxidizing catalyst and synthetic analogues

Fundamental differences between synthetic manganese clusters and the biological water oxidizing catalyst are demonstrated in the modulation of their redox potential by redox-inactive cations.

Graphical abstract: Redox potential tuning by redox-inactive cations in nature's water oxidizing catalyst and synthetic analogues
Open Access Paper

A comprehensive comparison of dye-sensitized NiO photocathodes for solar energy conversion

Summary of photocurrent vs. time and (inset) total theoretical H2 generated for the 7 different NiO electrodes compared in this study.

Graphical abstract: A comprehensive comparison of dye-sensitized NiO photocathodes for solar energy conversion
From the themed collection: 2016 most accessed PCCP articles
Paper

CoOx thin film deposited by CVD as efficient water oxidation catalyst: change of oxidation state in XPS and its correlation to electrochemical activity

To reduce energy losses in water electrolysers a fundamental understanding of the water oxidation reaction steps is necessary to design efficient oxygen evolution catalysts.

Graphical abstract: CoOx thin film deposited by CVD as efficient water oxidation catalyst: change of oxidation state in XPS and its correlation to electrochemical activity
Open Access Paper

Improved charge carrier separation in barium tantalate composites investigated by laser flash photolysis

Charge carrier dynamics in pure Ba5Ta4O15 and in a Ba5Ta4O15–Ba3Ta5O15 composite have been studied by means of diffuse reflectance laser flash photolysis spectroscopy in the presence and absence of methanol.

Graphical abstract: Improved charge carrier separation in barium tantalate composites investigated by laser flash photolysis
16 items

About this collection

This is the official themed issue of the international Bunsentagung 2016 organised by the Deutsche Bunsen-Gesellschaft (DBG) in Rostock, Germany on 5-7th May 2016. The issue features high quality and original research on the theme of “Basic Mechanisms in Energy Conversion”. The Guest Editors are Ralf Ludwig, Joachim Wagner, Matthias Beller, Angelika Brückner, Udo Kragl and Oliver Kühn.

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