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- Lindström, H, et al.
(författare)
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Li+ ion insertion in TiO2 (anatase) .1. Chronoamperometry on CVD films and nanoporous films
- 1997
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Ingår i: JOURNAL OF PHYSICAL CHEMISTRY B. - : AMER CHEMICAL SOC. - 1089-5647. ; 101:39, s. 7710-7716
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Electrochemical insertion of lithium in nanoporous and CVD samples of TiO2 (anatase) was studied by chronoamperometry. The currents following cathodic and anodic potential steps were monitored as a function of film thickness, temperature, and electrolyte
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- Lindström, H, et al.
(författare)
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Li+ ion insertion in TiO2 (anatase) .2. Voltammetry on nanoporous films
- 1997
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Ingår i: JOURNAL OF PHYSICAL CHEMISTRY B. - : AMER CHEMICAL SOC. - 1089-5647. ; 101:39, s. 7717-7722
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Electrochemical properties of Li+ ion insertion in nanoporous TiO2 (anatase) electrodes were studied by voltammetry. Linear and cyclic potential scans were recorded as a function of electrolyte concentration, film thickness, and temperature. The currents
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- Lindström, H, et al.
(författare)
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Redox properties of nanoporous TiO2 (anatase) surface modified with phosphotungstic acid
- 1998
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Ingår i: THIN SOLID FILMS. - : ELSEVIER SCIENCE SA. - 0040-6090. ; 323:1-2, s. 141-145
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Nanostructured anatase TiO2 electrodes surface modified with inorganic metal oxide clusters, i.e., phosphotungstic acid (PWA), was studied by XPS and spectroelectrochemistry. The surface modifiers were electroactive and could be addressed reversibly by ch
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- Rensmo, Håkan, et al.
(författare)
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High light-to-energy conversion efficiencies for solar cells based on nanostructured ZnO electrodes
- 1997
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Ingår i: Journal of Physical Chemistry B. - : AMER CHEMICAL SOC. - 1520-6106 .- 1520-5207. ; 101:14, s. 2598-2601
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Photoelectrochemical properties of nanostructured ZnO thin film electrodes have been investigated in the UV and visible regions. For films consisting of 15 nm large undoped crystallites a maximum monochromatic current conversion efficiency of 58% was obtained in the visible using a ruthenium-based dye as a sensitizer. The overall solar energy conversion efficiency for this film was 2%. In comparison, sensitized films consisting of 150 nm large Al-doped crystallites yield a monochromatic current conversion efficiency of 31% and an overall solar energy conversion efficiency of 0.5%. The study also shows that nanostructured ZnO may give high efficiencies in the UV region, approaching unity for the Al-doped films.
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- Rensmo, Håkan, et al.
(författare)
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The electronic structure of the cis-bis(4,4'-dicarboxy-2,2'-bipyridine)-bis(isothiocyanato) ruthenium(II) complex and its ligand 2,2'-bipyridyl-4,4'-dicarboxylic acid studied with electron spectroscopy
- 1997
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Ingår i: CHEMICAL PHYSICS LETTERS. - : ELSEVIER SCIENCE BV. - 0009-2614. ; 274:1-3, s. 51-57
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The electronic structure of the dye complex cis-bis(4,4'-dicarboxy-2,2'-bipyridine)-bis(isothiocyanato)ruthenium(II) as well as that of its ligand 2,2'-bipyridine-4,4'-dicarboxylic acid has been investigated with electron spectroscopy. Valence level spect
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