摘要:
An optical recording medium comprises a laminate of at least two recording layers; each of the recording layers contains a metal complex dye and an organic dye in a predetermined concentration; when the recording layers comprise a first recording layer and a second recording layer in order from a light entrance side, the first recording layer contains 20 to 50 parts by weight of the metal complex dye where a total amount of the metal complex dye and the organic dye is 100 parts by weight, and the second recording layer contains 20 to 100 parts by weight of the metal complex dye where a total amount of the metal complex dye and the organic dye is 100 parts by weight. The optical recording medium is provided as one with a satisfactorily excellent initial error rate and a satisfactorily excellent error rate after a light resistance test, in each of the recording layers.
摘要:
At least two recording layers are laminated, a dye in each of the recording layers contains predetermined concentrations of a metal complex dye and an organic dye, the recording layers are referred to as first and second recording layers successively from the light entrance surface side, the first recording layer contains 60 to 100 parts by weight of a metal complex dye where the total amount of the metal complex dye and organic dye is 100 parts by weight, and the second recording layer contains 10 to 80 parts by weight of a metal complex dye where the total amount of the metal complex dye and organic dye is 100 parts by weight. A recording medium is provided, in which recording is possible in the first and second recording layers by recording powers equivalent to each other while the initial error rate after a high-temperature storage test is sufficiently low in each recording layer.
摘要:
An optical recording medium provided with a recording layer that comprises a cation represented by the following general formula (1) and a chelate compound of an azo compound represented by the following general formula (2) and a metal. In the formulas, R1-R4 each independently represent a monovalent group represented by Chemical Formula (10) below or other groups, R5 and R6 each independently represent an optionally substituted alkyl group or other groups, R7 represents a hydrogen atom or other groups, Q1 and Q2 each independently represent a group that forms an optionally substituted benzene ring or other groups, at least one from among R1-R4 is a monovalent group represented by Chemical Formula (10) below, [Chemical Formula 2] [CH2═CH—CH2 (10) and at least one of Ar1 and Ar2 is an aryl or other group having a substituent capable of coordinating with a metal atom.
摘要:
An optical recording material for an optical recording medium capable of recording information by irradiation of light including: a cation represented by the following general formula (1); and a chelate compound formed by an azo compound and a metal, wherein at least one of R1, R2, R3 and R4 is an optionally substituted benzyl group, and at least one of R5 and R6 is an optionally substituted alkyl group having a carbon number of at least 5 or an optionally substituted aryl group having a carbon number of at least 5.
摘要:
The present invention aims to provide a coating liquid for producing an optical recording medium that can record large volumes of data and can respond sufficiently to high speed writing, a method for producing an optical recording medium using the same, and an optical recording medium. The coating liquid for use in a method for producing an optical recording medium according one embodiment of the invention contains a solvent and a pigment dissolved in the solvent. The solvent includes TFP and/or OFP and an aliphatic saturated alcohol having 1-4 carbon atoms by 0.01-10% by mass relative to the total amount of the solvent, and the pigment includes the compound represented by the following general formula (1) and a chelate compound consisting of an azo compound and a metal. [where, each of R11, R12, R13 and R14 (hereinafter, represented as “R11-R14”) represents independently from one another a benzyl group that may have a substituent or an alkyl group having 1-4 carbon atoms, R15 represents a trimethine chain that may have a substituent, each of R16 and R17 represents independently from each other a group of atoms that constitute a benzene ring that may have a substituent or a naphthalene ring that may have a substituent, and each of R18 and R19 represents independently from each other an aryl group that may have a substituent or an alkyl group having 1-4 carbon atoms, provided that at least one group among R11, R12, R13 and R14 is not a methyl group. In this case, respective carbons of R11 and R12 and/or R13 and R14 may make a bond to form a 3- to 6-membered ring.]
摘要:
A photoelectric conversion device capable of improving conversion efficiency is provided. The photoelectric conversion device includes a work electrode, an opposed electrode, and an electrolyte-containing layer. In the work electrode, a metal oxide semiconductor layer supporting a dye is provided. The dye contains a cyanine compound that has a methine chain, an indolenine skeleton bonded with both ends of the methine chain, and anchor groups introduced to a nitrogen atom included in the indolenine skeleton. Electron injection efficiency to the metal oxide semiconductor layer is improved, and the dye is hardly exfoliated from the metal oxide semiconductor layer.
摘要:
A photoelectric conversion element includes a working electrode having a dye-supported metal oxide electrode in which a dye is supported on a metal oxide layer, a compound having a structure represented by the following general formula (1): is used as the dye. wherein R1 to R4 are each independently a linear alkyl group having 4 to 20 carbon atoms and may be the same or different; A1 and A2 are each any one selected from the following aromatic ring group A (a pyrrole ring in the formula (1) is represented by an arc a to show a condensation position with the pyrrole ring), may be the same or different, and may have a substituent in an aromatic ring; Anp- is a p-valent anion; p is 1 or 2; and q is a coefficient for keeping a charge of the entire dye neutral.
摘要:
Provided is a photoelectric conversion device having a simple structure including a plurality of end-face incident type photoelectric conversion cells. A plurality of dye-sensitized unit cells are disposed on folded faces of the metal sheet that is in a folded form. In these unit cells, a light which comes from a lateral end face of a stacked structure of each unit cell is photoelectrically converted. The manufacturing process of a soar cell is simplified in comparison with the case that a plurality of end-face incident type photoelectric conversion cells are merely placed in a plane.
摘要:
The method of evaluating dye component suitability for optical recording media according to the invention comprises a first step in which the temperature of a sample containing the dye component or the temperature of the atmosphere surrounding the sample is set to two or more different prescribed temperatures, and the absorbance of the sample for light of a prescribed wavelength is measured at each of the prescribed temperatures, and a second step in which the suitability of including the dye component in the recording layer of an optical recording medium is evaluated based on one or more conditions which are set based on correlation between the prescribed temperatures and the absorbance.
摘要:
The optical recording material of the invention is an optical recording material used for an optical recording medium capable of recording information by irradiation of light, the optical recording medium being an optical recording medium which records information at a linear speed of at least 14 m/sec, wherein the dye component in the optical recording material comprises at least one type of chelate compound of an azo compound and a metal, and when the dye component is used as a sample for thermogravimetry in an inert gas atmosphere, the dye component sample exhibits a maximum weight reduction of 0.2-3.0%/° C. at 180-250° C.