Composition for manufacturing electrode of solar cell, method of manufacturing same electrode, and solar cell using electrode obtained by same method
AssigneeMitsubishi Materials Corporation
InventorsToshiharu Hayashi, Yoshiaki Takata, Kazuhiko Yamasaki
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Abstract
A composition for manufacturing an electrode of a solar cell, comprising metal nanoparticles dispersed in a dispersive medium, wherein the metal nanoparticles contain silver nanoparticles of 75 weight % or more, the metal nanoparticles are chemically modified by a protective agent having a main chain of organic molecule comprising a carbon backbone of carbon number of 1 to 3, and the metal nanoparticles contains 70% or more in number-average of metal nanoparticles having a primary grain size within a range of 10 to 50 nm.
Claims4
A method of manufacturing an electrode, comprising the step of:
- forming an electrode by coating a composition for manufacturing an electrode on a base material using a wet-coating method, wherein
- the composition comprises metal nanoparticles dispersed in a dispersive medium,
- a content of the metal nanoparticles is 2.5 to 95.0 weight %,
- 75 weight % or more of the metal nanoparticles is constituted of nanoparticles consisting of silver,
- the metal nanoparticles being chemically modified by a protective agent having an organic molecular main chain comprising a carbon backbone of carbon number of 1 to 3, and
- the number of the metal nanoparticles having a primary grain size of 10 to 50 nm is 70% or more of the total number of the metal nanoparticles contained in the composition.
Dependencies are inferred from the claim text.