Spatial extent of lithium intercalation in anatase TiO2

Article Abstract:

Electron beam evaporation of reduced TiO2 was used to obtain thin smooth anatase TiO2 films. When deposited on electron beam evaporated amorphous titanium, these films show a preferential (004) orientation. Several optical and electrochemical techniques were used to study electrochemical lithium insertion into these films. A coloration efficiency of 13 cm2 C-1, which was twice as high as that reported for TiO2 films grown by chemical vapor deposition, was found.

Clathrate compounds, Lithium, Lithium (Metal)

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Rutherford backscattering spectroscopy study of TiO2/Cu1.8S nanocomposites obtained by atomic layer deposition

Article Abstract:

The Cu1.8S deposition by atomic layer deposition(ALD) using Cu(thd)2 and H2S as the pre cursors is not an ideal ALD process but, almost uniform deposition of Cu1.8S inside the pores of a TiO2 matrix could be achieved. Penetration depths in TiO2 matrixes of 25nmparticles exceed 3um, which is sufficient for full absorption in solar cell applications.

Industrial Inorganic Chemicals, Inorganic Chemicals, Other Basic Inorganic Chemical Manufacturing, Nanotechnology, Chemistry, Physical and theoretical, Physical chemistry, Solar cells, Inorganic compounds, Solar batteries

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Photoluminescence study of sexithiophene thin films

Article Abstract:

Quenching of the photoluminescence of vacuum-deposited 6T films on TiO(sub 2) and on quartz is investigated so as to determine the exciton diffusion length of sexithiophene thin films. It is found that the exciton diffusion length, which is of 602 nm, is independent of temperature and is an order of magnitude larger than that of thiophene polymers.

Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Science & research, Thin Film Materials, Electric properties, Dielectric films, Photoluminescence, Thiophene

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