Allan Godsk Larsen

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Mixed self-assembled monolayers of 2-(mercaptooctyl)hydroquinone (QH2) and alkylthiols were formed on gold electrodes in EtOH and the redox process of the hydroquinone moiety of QH2 was characterized by cyclic voltammetry (CV) in 0.1 M H(2)SO(4). The monolayers were formed at a series of QH2:alkylthiol ratios and the QH2:alkylthiol ratio in solution was(More)
School of Chemistry F11, The University o maxwell.crossley@sydney.edu.au Department of Material and Life Science, University, Suita, Osaka 565-0871, Japan. E Department of Chemistry and Nano Scienc 750, Korea Faculty of Science and Engineering, Meijo U International Centre for Quantum and M 200444, Shanghai, China. E-mail: reimers@ School of Mathematical(More)
The synthesis of 5-(6-mercaptohexyloxy)-1,3-dihydroxybenzene and the formation of a self-assembled monolayer on polycrystalline gold using this compound are described. Methyltrichlorosilane and (tridecafluoro-1,1,2,2-tetrahydrooctyl)trichlorosilane were attached to the 3,5-dihydroxyphenyl terminus of the monolayer. The modified surfaces were studied by(More)
Oxidation potentials, E1/2(ox) of alpha-hydroxyalkyl radicals of the type R(1)R(2)C(*)OH (denoted K(1)H(*)) have been obtained in acetonitrile by photomodulated voltammetry. The values of E1/2(ox) increase as the R(1) and R(2) groups are changed from alkyl to aryl and, in particular, strong electron-withdrawing functionalities such as CN and CF3. Using rate(More)
Porphyrin-based photosynthetic reaction centre (PRC) mimics, ZnPQ-Q2HP-C60 and MP2Q-Q2HP-C60 (M = Zn or 2H), designed to have a similar special-pair electron donor and similar charge-separation distances, redox processes and photochemical reaction rates to those in the natural PRC from purple bacteria, have been synthesised and extensive photochemical(More)
The oxidation of tetramethylthiourea (TMTU) at gold electrodes in acetonitrile, leading to dissolution of the electrode, has been studied by electrochemical methods and by an electrochemical quartz crystal microbalance (EQCM). TMTU in acetonitrile readily adsorbs at gold electrodes and an estimated coverage of 5.5 x 10(-10) mol cm(-2) (30 A2 per molecule)(More)
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