Inorganic hole conductor based perovskite photoelectric conversion device with high operational stability at long term
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Dye-sensitized solar cells (DSC), introduced by O'Regan and Grätzel in 1991, are a low cost alternative to conventional silicon photovoltaic cells, the latter requiring extremely pure starting materials and sophisticated production procedures. DSC's, based ...
Dye-sensitized solar cells (DSCs) are one of the most promising environmental friendly and low material costs photovoltaic devices. DSCs accomplish the separation of the optical absorption and charge separation processes by the association of a sensitizer ...
The present doctoral thesis aims to contribute to the field of organic semiconductor physics and technology, both of which have become fast growing disciplines. Two technological applications are emerging from these research efforts: Organic light-emitting ...
The heat pretreatment of Ni at 500-700 Deg gives a nonstoichiometric Ni oxide which shows metallic cond. and low activity for O evolution; at higher temps. (>700 Deg), a nonconducting NiO (p-type semiconductor) is formed. [on SciFinder (R)] ...
Photoinduced electron transfer from the valence band of nanocryst. NiO, a p-type semiconductor, to an excited bound dye, Coumarin 343, and the subsequent recombination have been measured by femtosecond transient absorbance spectroscopy probing with white l ...
Chemical doping is an important strategy to alter the charge-transport properties of both molecular and polymeric organic semiconductors that find widespread application in organic electronic devices. We report on the use of a new class of Co(III) complexe ...