Nippon Soda Co., Ltd.

Makoto Toyooka

Kenichi Hayashi

Masamichi Yasuhara

Hideki Maekawa

The present invention provides: a method for producing particles of an element having a standard electrode potential greater than 0V, characterized by using in a protic solvent solution a polysilane having a poor solubility in an aprotic solvent, to produce particles of the element from ions of at least one element having a standard electrode potential greater than 0V; and a composite body of polysilane and the particles of an element having a standard electrode potential greater than 0V, in which the particles of the at least one element having a standard electrode potential greater than 0V (provided that palladium is not included in the element, in the case where the polysilane is a dimethyl polysilane) are adsorbed in the polysilane having poor solubility in an aprotic solvent.

Production method for particles of element having standard electrode potential greater than 0V

The present invention provides a polydialkylsilane, and a method for producing a polydialkylsilane, including a step of adding a compound represented by formula (I) (in formula (I), Rand Rindependently represent an alkyl group, and Xand Xindependently represent a halogen atom) to an organic solvent containing an alkali metal, in which 0.010 [hr]&#x2266;the average addition rate of compound (I) [moles&#xb7;hr]/the amount of the alkali metal [moles]&#x2266;0.055 [hr]. 

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Joetsu, Japan

Makoto Toyooka