Gas sensor and sensor device

Abstract

A gas sensor, which includes a solid electrolyte layer including positive charge carriers to which detection-target gas coordinates, an electrode arranged on part of a plane of the solid electrolyte layer, and a unit configured to accelerate movements of the positive charge carriers.

1 - 6 . (canceled) 
     
     
         7 . A gas sensor comprising:
 a solid electrolyte layer including positive charge carriers to which detection-target gas is to coordinate;   a first electrode and a second electrode, both of which are arranged on a plane of the solid electrolyte layer opposite to the plane of the solid electrolyte layer to be in contact with the detection-target gas; and a unit configured to accelerate movements of the positive charge carriers, where the movements of the positive charge carriers are movements in a plane direction of the solid electrolyte layer and in a direction from the second electrode to the first electrode within the solid electrolyte layer.   
     
     
         8 . The gas sensor according to  claim 7 ,
 wherein the unit configured to accelerate movements of the positive charge carriers is a voltage source.   
     
     
         9 . The gas sensor according to  claim 7 ,
 wherein the unit configured to accelerate movements of the positive charge carriers is arranged on at least part of a plane of the solid electrolyte layer to be in contact with the detection-target gas, and the unit is a layer covering the solid electrolyte layer.   
     
     
         10 . The gas sensor according to  claim 9 ,
 wherein the layer covering the solid electrolyte layer is a layer that includes a material capable of coordinating to the positive charge carriers and allows the detection-target gas to pass therethrough.   
     
     
         11 . The gas sensor according to  claim 10 ,
 wherein the material capable of coordinating to the positive charge carriers is an organic material including a carbon-carbon double bond.   
     
     
         12 . The gas sensor according to  claim 11 ,
 wherein the organic material including a carbon-carbon double bond is polyisoprene rubber, natural rubber, or polybutadiene rubber.   
     
     
         13 . The gas sensor according to  claim 7 ,
 wherein the positive charge carriers are copper ions, or silver ions, or both copper ions and silver ions.   
     
     
         14 . The gas sensor according to  claim 7 ,
 wherein the positive charge carriers are copper ions.   
     
     
         15 . The gas sensor according to  claim 7 ,
 wherein a material of the solid electrolyte layer is copper (I) bromide, copper (I) sulfide, silver sulfide, silver iodide, or silver rubidium iodide.   
     
     
         16 . The gas sensor according to  claim 7 ,
 wherein a material of the solid electrolyte layer is copper (I) bromide.   
     
     
         17 - 18 . (canceled) 
     
     
         19 . A sensor device comprising:
 the gas sensor according to  claim 7 ; and   a unit configured to detect a change in a potential difference of the gas sensor, where the unit is connected to the first electrode of the gas sensor.   
     
     
         20 . The sensor device according to  claim 19 ,
 wherein the unit configured to detect a change in a potential difference of the gas sensor is a field-effect transistor.