Deposition of a thin film of Ti[O.sub.x] from a titanium metal target as novel blocking layers at conducting glass/Ti[O.sub.2] interfaces in ionic liquid mesoscopic Ti[O.sub.2] dye-sensitized solar cells
Article Abstract:
A high work function material such as titanium deposited by sputtering on fluoride-doped tin oxide (FTO) is investigated as an effective blocking layer for preventing electron leakage from FTO without affecting electron injection. The results have shown that thin films of titanium species (Ti[O.sub.x]) work as a compact blocking layer between FTO and Ti[O.sub.2] nanocrystalline film, improving [V.sub.oc] and the fill factor, finally giving better conversion efficiency for dye-sensitized Ti[O.sub.2] solar cells with ionic liquid electrolytes.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Characterization of nanoparticles fabricated by oxidation of Ni80Fe20 and Co80Fe20 thin films during imidization
Article Abstract:
The study demonstrated that metallic nanoparticles embedded in a polymer matrix could be produced by utilizing the relative difference in chemical reactivity of metal elements in an alloy film. Transmission infrared spectroscopy concluded that thermal degradation of the polyimide (PI) matrix was catalyzed by the Co80Fe20 film, leading to the Co oxidation together with Fe.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2004
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Films of metal nanocrystals formed at aqueous- organic interfaces
Article Abstract:
A metallo organic precursor in the organic layer and an appropriate reducing agent in the aqueous layer were used to prepare films of nanocrystals of Au, Ag, and Cu at the liquid- liquid interface. The films show surface plasmon bands characteristic of metal nanocrystals.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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