Browsing Chemistry (Scholarly Publications) by Title
Now showing items 540-559 of 875
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An outlook on printed microsupercapacitors: Technology status, remaining challenges, and opportunities
(2020)The concept of the Internet of Things is dramatically changing the way society interacts with physical spaces and portable technologies. For the last couple of years, intensive research has been devoted on the design of ... -
Oxidation reactions of an anionic gallium(I) N-heterocyclic carbene analogue with group 16 compounds.
(2005)The reactivity of an anionic gallium(I) heterocycle, [K(tmeda)][:Ga([N(Ar)C(H)]2)], Ar = C6H3Pr(i)2-2,6, towards sources of elemental chalcogens and diorgano-dichalcogenides has been investigated and comparisons drawn with ... -
Oxide-mediated recovery of field-effect mobility in plasma-treated MoS<inf>2</inf>
(2018)Precise tunability of electronic properties of two-dimensional (2D) nanomaterials is a key goal of current research in this field of materials science. Chemical modification of layered transition metal dichalcogenides leads ... -
Oxo-Free Hydrocarbon Oxidation by an Iron(III)-Isoporphyrin Complex
(2020)Metal-halides that perform proton coupled electron-transfer (PCET) oxidation are an important new class of high-valent oxidant. In investigating metal-dihalides, we reacted [FeIII(Cl)(T(OMe)PP)] (1, T(OMe)PP = meso-tetra ... -
Oxygen evolution at oxidized iron electrodes: a tale of two slopes
(2012)The electro-catalytic activity with respect to water oxidation to form molecular oxygen of iron oxyhydroxide thin films on iron support surfaces in aqueous base is described. A mechanism involving iron surfaquo groups is ... -
Oxygen evolution catalysts under proton exchange membrane conditions in a conventional three electrode cellvs.electrolyser device: a comparison study and a 3D-printed electrolyser for academic labs
(2021)Developing active and stable Oxygen Evolution Reaction (OER) catalysts that can operate in electrolyser environments is of utmost important in order to produce H2 gas for electricity generation. Currently, many of these ... -
The oxygen evolution reaction at Manganese Oxide films in base: Kinetics and Mechanism
(Electrochemical Society, 2013)Various manganese oxide type Dimensionally Stable Anode (DSA) electrodes were prepared though a simple thermal decomposition technique at different annealing temperatures for their effect on the oxygen evolution reaction ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in alkaline solution. Part 2-Cobalt.
(Electrochemical Science Group, 2008)Details are outlined of an electrochemical investigation of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Co electrodes in aqueous alkaline solution. Kinetic studies on electrodes subjected ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in alkaline solution. Part III - Iron.
(Electrochemical Science Group, 2008)The kinetics of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Fe electrodes in aqueous alkaline solution were examined using both dc steady state polarisation and ac impedance techniques. ... -
The oxygen evolution reaction on passive oxide covered transition metal electrodes in aqueous alkaline solution. Part 1 - Nickel
(Electrochemical Science Group, 2008)Various aspects of the oxygen evolution reaction (OER) at passive oxide covered polycrystalline Ni electrodes in aqueous alkaline solution were investigated using electrochemical techniques. Steady state polarisation and ... -
Palladium bis(phosphinite) 'PCP'-pincer complexes and their application as catalysts in the Suzuki Reaction
(2000)Palladium complexes of inexpensive, easily synthesised bis(phosphinite) `PCP ?-pincer ligands show good activity in the Suzuki coupling of deactivated and sterically hindered aryl bromides -
Partial spin crossover behaviour in a dinuclear iron(ii) triple helicate.
(2011)Reported herein are the synthesis, structural, magnetic and Mossbauer spectroscopic characterisation of a dinuclear Fe(II) triple helicate complex [Fe2(L)3](ClO4)4.xH2O (x = 1?4), 1(H2O), where L is a bis-bidentate ... -
Passing it up the ranks: hierarchical ion-size dependent supramolecular response in 1D coordination polymers
(2018)The synthesis and structural characterisations of four 1D coordination polymers based on the 1,3,5-tris(4-carboxyphenyl)benzene (H3btb) and 2,4,6-tris(2-pyridyl)-1,3,5-triazine (2-tpt) ligands are reported: [MII(Hbtb)(2- ... -
Paving the way to the integration of smart nanostructures. Part 1: nanotethering and nanowiring via material nanoengineering and electrochemical identification
(Electrochemical Science Group, 2009)In this review essay some recent approaches to nanotethering and nanowiring of biomolecules such as redox enzymes and nanoparticles to solid surfaces to generate chemically modified electrodes to serve as platforms for ... -
Paving the way to the integration of smart nanostructures: Part II: Nanostructured microdispersed hydrated metal oxides for electrochemical energy conversion and storage applications
(2011)The use of hydrogen gas produced by the electrolysis of water is the basis of a long term energy conversion and storage option that has been and still continues to be the subject of considerable research. Alkaline water ... -
PbO2: from semi-metal to transparent conducting oxide by defect chemistry control
(2013)Lead dioxide has been studied for over 150 years as a component of the lead-acid battery. Based on first-principles calculations, we predict that by tuning the concentration ofelectrons in the material, through control ... -
Pdots, a new type of nanoparticle, bind to mTHPC via their lipid modified surface and exhibit very high FRET efficiency between the core and the sensitizer
(2015)Pdots are a new type of nanoparticle which exhibit strong potential for future applications in biophysics and cell biology. They are composed of organic chromophoric polymers, whose surfaces can be modified with different ... -
Perfluorinated phosphine and hybrid P-O ligands for Pd catalysed C-C bond forming reactions in solution and on Teflon supports
(2019)The synthesis of two types of phosphine ligands that feature perfluorinated ponytails is reported. A bidentate (RfCH2CH2)2PCH2CH2P(CH2CH2Rf)2 (Rf = CF3(CF2)n; n = 5, 7) and an alkoxyphosphine made by ring opening a fluorous ... -
Perforating Freestanding Molybdenum Disulfide Monolayers with Highly Charged Ions
(2019)Porous single-layer molybdenum disulfide (MoS2) is a promising material for applications such as DNA sequencing and water desalination. In this work, we introduce irradiation with highly charged ions (HCIs) as a new technique ... -
Phenol Oxidation by a Nickel(III)-Fluoride Complex: Exploring the Influence of the Proton Accepting Ligand in PCET Oxidation
(2020)In order to gain insight into the influence of the H+‐accepting terminal ligand in high‐valent oxidant mediated proton coupled electron transfer (PCET) reactions, the reactivity of a high valent nickel–fluoride complex ...