Themed collection Bunsentagung 2016: Basic Mechanisms in Energy Conversion
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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.
Phys. Chem. Chem. Phys., 2016,18, 10680-10681
https://doi.org/10.1039/C6CP90095J
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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.
Phys. Chem. Chem. Phys., 2016,18, 10682-10687
https://doi.org/10.1039/C6CP00343E
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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.
Phys. Chem. Chem. Phys., 2016,18, 10800-10808
https://doi.org/10.1039/C5CP07167D
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.
Phys. Chem. Chem. Phys., 2016,18, 10809-10817
https://doi.org/10.1039/C5CP07148H
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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.
Phys. Chem. Chem. Phys., 2016,18, 10792-10799
https://doi.org/10.1039/C5CP08000B
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.
Phys. Chem. Chem. Phys., 2016,18, 10700-10707
https://doi.org/10.1039/C5CP06828B
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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.
Phys. Chem. Chem. Phys., 2016,18, 10781-10791
https://doi.org/10.1039/C5CP06888F
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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.
Phys. Chem. Chem. Phys., 2016,18, 10774-10780
https://doi.org/10.1039/C5CP07145C
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.
Phys. Chem. Chem. Phys., 2016,18, 10688-10699
https://doi.org/10.1039/C5CP07293J
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.
Phys. Chem. Chem. Phys., 2016,18, 10758-10763
https://doi.org/10.1039/C5CP07678A
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.
Phys. Chem. Chem. Phys., 2016,18, 10764-10773
https://doi.org/10.1039/C5CP06996C
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.
Phys. Chem. Chem. Phys., 2016,18, 10751-10757
https://doi.org/10.1039/C5CP06230F
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.
Phys. Chem. Chem. Phys., 2016,18, 10739-10750
https://doi.org/10.1039/C5CP07213A
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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.
Phys. Chem. Chem. Phys., 2016,18, 10727-10738
https://doi.org/10.1039/C5CP05326A
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.
Phys. Chem. Chem. Phys., 2016,18, 10708-10718
https://doi.org/10.1039/C5CP05691H
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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.
Phys. Chem. Chem. Phys., 2016,18, 10719-10726
https://doi.org/10.1039/C5CP07115A
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.