Solid-state dye-sensitized mesoporous TiO(sub2) solar cells with high photon-to-electron conversion efficiencies

Article Abstract:

TiO(sub2) based solar cells are inexpensive alternatives to conventional solid-state devices. A dye-sensitized heterojuncton of TiO(sub) with the amorphous organic hole-transport material 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)9,9'-spirobifluorene, is described. Photoinduced charge-carrier generation at the heterojunction was found to be extremely efficient.

Observations, Solid state chemistry, Solar cells

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Photon lab in a circuit

Article Abstract:

The statistics of photons are examined in microwave electromagnetic fields that are confined within the solidly classical surroundings of an electrical circuit. A Cooper-pair box, a tiny superconducting circuit consisting of a metallic island and a bigger electrode, has played the role of the atom with which the field interacts in a standard cavity.

United States, Analysis, Electromagnetic fields, Design and construction, Electric properties, Photons, Electric circuits

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