Samsung Sdi Co., Inc.

Byong-cheol Shin

Ji-won Lee

Joung-Won Park

Jae-Man Choi

Kwang-Soon Ahn

Wha-Sup Lee

Moon-Sung Kang

Duckhyun Kim

Jaejung Ko

Soo-Jin Moon

Jae-Kwan Lee

Jae-Jung Ko

Wha Sup Lee

Kang-Jin Kim

Seung-Hoon Kal

A benzoindole-based compound represented by Formula 1 below, a dye including the benzoindole-based compound, and a dye-sensitized solar cell including the dye: is prepared at a low cost, has a high molar absorption coefficient, and high photoelectron conversion efficiency, as compared to a conventional ruthenium dye. The benzoindole-based dye is an organic dye including an N-aryl electron donor and an acidic functional group an electron acceptor.

Benzoindole-based compound and dye-sensitized solar cell using the same

A high capacity dye-sensitized solar cell module where a plurality of unit cells are simultaneously formed at a substrate in a simplified manner with increased light absorption efficiency. The dye-sensitized solar cell module includes first and second conductive substrates facing one another with regions for a plurality of unit cells. First and second electrodes are formed on the first or the second substrate such that the first and the second electrodes face one another at the respective unit cells. A dye is adsorbed at the first electrode. The space between the first and the second substrates at the respective unit cells is filled with an electrolyte. Insulation regions are formed on at least one of the first and the second substrates between a pair of unit cells neighboring to one another. The pattern of insulation regions, on one or both of the substrates, results in the unit cells being coupled in series, in parallel, or in a combination manner.

Dye-sensitized solar cell module

A transparent electrode having thermal stability, composed of a transparent conductive material containing a pentavalent element, a method of fabricating the same, and a dye-sensitized solar cell including the electrode. The transparent electrode having thermal stability does not substantially deteriorate even when it is exposed to high temperatures and its conductivity is not reduced. Thus, the dye-sensitized solar cell including the electrode can have improved performance.

Transparent electrode having thermal stability, method of fabricating the same and dye-sensitized solar cell comprising the same

A dye for a dye-sensitized solar cell according to embodiments of the present invention includes a compound having a silane group. The dye according to embodiments of the present invention may be used in a light absorption layer to improve photovoltaic efficiency and increase open-circuit voltage.

Dye for dye-sensitized solar cell and dye-sensitized solar cell including the same

Provided is a solar cell including: a first electrode and a second electrode facing each other; a porous membrane interposed between the first electrode and the second electrode and having a dye adsorbed thereto; an electrolyte interposed between the first electrode and the second electrode; and a buffering layer interposed between the first electrode and the porous membrane and having at least two layers. According to the construction of the solar cell, an electron-hole recombination is prevented by preventing the contact between an electrode having a porous membrane and an electrolyte, thereby improving the electron collection property and the photoelectric conversion efficiency of the dye-sensitized solar cell.

Solar cell and method of manufacturing the same

A polymer electrolyte composition for a dye-sensitized solar cell, a polymer electrolyte, a dye-sensitized solar cell employing the polymer electrolyte, and a method for preparing the same. The polymer electrolyte composition for a dye-sensitized solar cell includes: a mono-functional or multi-functional monomer having at least one ethylene glycol in a side chain; a photoinitiator; a lithium salt; and an organic solvent. The polymer electrolyte suppresses the volatilization of a redox electrolyte and provides stable photoelectrochemical properties against environmental changes, such as a rise in the external temperature of a solar cell. The dye-sensitized solar cell includes: first and second electrodes facing each other; a dye-adsorbed porous film interposed between the first and second electrodes; and the polymer electrolyte interposed between the first and second electrodes. The dye-sensitized solar cell has a high voltage and high photoelectric conversion efficiency.

Growing community of inventors

Suwon-si, South Korea

Byong-cheol Shin