Conductive pastes and solar cells comprising the same

A conductive paste is provided. The conductive paste includes a polymer matrix and a filler blended in the polymer matrix, wherein the filler is non-spherical and the size of at least one dimension of the filler is greater than or equal to /2n, wherein is a wavelength of light reflected by the condu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHANG, KAO-DER, WU, CHIEN-LIANG, WANG, YU-MING, LIU, JUNIN, HUANG, CHIAN-FU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CHEMISTRY COMPOSITIONS BASED THEREON CONDUCTORS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INSULATORS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SEMICONDUCTOR DEVICES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A conductive paste is provided. The conductive paste includes a polymer matrix and a filler blended in the polymer matrix, wherein the filler is non-spherical and the size of at least one dimension of the filler is greater than or equal to /2n, wherein is a wavelength of light reflected by the conductive paste and n is the refractive index of the filler, wherein the weight ratio between the polymer matrix and the filler is 3: 7 to 7: 3. The invention also provides a solar cell. The solar cell includes a substrate, a first conductive layer formed on the substrate, a photoelectric conversion layer formed on the first conductive layer, a second conductive layer formed on the photoelectric conversion layer and a conductive reflection layer formed on the second conductive layer, wherein the conductive reflection layer includes the conductive paste.