Method for immobilizing particles and method for producing particle-immobilized substrate

Abstract

The present invention is a method for immobilizing particles 32 on a first electrode 14 formed on a substrate 12 , including a forming step of forming a particle layer 30 at least on the first electrode 14 and an immobilizing step of immobilizing the particle layer 30 on the first electrode 14 by immersing the substrate 12 in a monomer solution 40 containing an electropolymerizable monomer while a counter electrode 39 is disposed opposite the first electrode 14 with the particle layer 30 formed on the first electrode 14 and applying a potential difference between the first electrode 14 and the counter electrode 39 to electropolymerize the monomer on the first electrode 14.

1 . A method for immobilizing particles on a first electrode formed on a substrate, comprising:
 a forming step of forming a particle layer at least on the first electrode; and   an immobilizing step of immobilizing the particle layer by immersing the substrate in a solution containing an electropolymerizable chemical while a counter electrode is disposed opposite the first electrode with the particle layer formed on the first electrode and applying a potential difference between the first electrode and the counter electrode to electropolymerize the chemical on the first electrode.   
     
     
         2 . The method for immobilizing particles according to  claim 1 , wherein the particle layer is foamed on the first electrode in the forming step by immersing the substrate in a solution containing the particles. 
     
     
         3 . The method for immobilizing particles according to  claim 1 , wherein
 the particle layer is formed in the forming step by immersing the substrate in a solution containing the particles and the electropolymerizable chemical; and   the particle layer is immobilized in the immobilizing step by electropolymerizing the chemical on the first electrode in the solution containing the particles and the electropolymerizable chemical.   
     
     
         4 . The method for immobilizing particles according to  claim 1 , wherein
 the particle layer is formed on the first electrode in the forming step by immersing and lifting the substrate in and out of a solution containing the particles and the electropolymerizable chemical while the counter electrode is disposed opposite the first electrode; and   the chemical is electropolymerized on the first electrode in the immobilizing step by applying a potential difference between the first electrode and the counter electrode when the substrate is lifted.   
     
     
         5 . The method for immobilizing particles according to  claim 1 , comprising:
 after the immobilizing step, a repolymerizing step of immersing the substrate having the particles immobilized thereon in a solution containing an electropolymerizable chemical and applying a potential difference between the first electrode and the counter electrode to electropolymerize the chemical on the first electrode.   
     
     
         6 . A method for producing a particle-immobilized substrate having particles immobilized on a first electrode formed on the substrate, comprising:
 a forming step of forming a particle layer at least on the first electrode; and   an immobilizing step of immobilizing the particle layer by immersing the substrate in a solution containing an electropolymerizable chemical while a counter electrode is disposed opposite the first electrode with the particle layer formed on the first electrode and applying a potential difference between the first electrode and the counter electrode to electropolymerize the chemical on the first electrode.   
     
     
         7 . The method for producing a particle-immobilized substrate according to  claim 6 , wherein the particle layer is formed on the first electrode in the fanning step by immersing the substrate in a solution containing the particles. 
     
     
         8 . The method for producing a particle-immobilized substrate according to  claim 6 , wherein
 the particle layer is formed in the forming step by immersing the substrate in a solution containing the particles and the electropolymerizable chemical; and   the particle layer is immobilized in the immobilizing step by electropolymerizing the chemical on the first electrode in the solution containing the particles and the electropolymerizable chemical.   
     
     
         9 . The method for producing a particle-immobilized substrate according to  claim 6 , wherein
 the particle layer is formed on the first electrode in the forming step by immersing and lifting the substrate in and out of a solution containing the particles and the electropolymerizable chemical while the counter electrode is disposed opposite the first electrode; and   the chemical is electropolymerized on the first electrode in the immobilizing step by applying a potential difference between the first electrode and the counter electrode when the substrate is lifted.   
     
     
         10 . The method for producing a particle-immobilized substrate according to  claim 6 , comprising:
 after the immobilizing step,   a reimmobilizing step of immersing the substrate having the particles immobilized thereon in a solution containing an electropolymerizable chemical and applying a potential difference between the first electrode and the counter electrode to electropolymerize the chemical on the first electrode.