Organic Electrosynthesis - Fundamentals and Applications of Organic Electrochemistry - page 208

electric bilayer inside the droplets. However, in
this case, droplets should be miniaturized to the
sub-micrometre range by the use of special
surfactants or ultrasonication in order to obtain
a practical reaction rate [13].
6.4.2 Suspension Electrolysis
The direct electrolysis of suspensions of
non-electronconductive solid materials such as
most organic compounds cannot take place in
principle, since electrochemical electron
transfer between a solid electrode and a
non-conductive solid particle hardly ever occurs
even when they contact with each other. On the
other hand, the indirect electrolysis of
suspended solid particles using soluble redox
mediators may be able to take place, since this
consists of a series sequence of two possible
electrochemical and chemical electron-transfer
steps between solid and liquid phases (electrode
(solid)-dissolved mediator (liquid)-suspending
particle (solid)) ( Figure 6.8 ) [14]. Similarly to
this case, the electrolysis of emulsified liquid
droplets can be conducted by using
electron-transfer mediators.