Abstract: Radiation detecting solid elements consisting of conductive polymers and radiation sensitive materials which are capable of generating radiation induced substances composing the dopant of the conductive polymers. The elements are monolayer sheets obtained by impregnating or compounding the conductive polymers, such as, polythiophene and polyselenophene, with radiation sensitive materials, such as, diphenyliodonium chloride and triphenylsulfonium hexafluoroarsenate(V). The elements are also laminated sheets consisting of conductive polymer films and radiation sensitive material containing films. As radiation exposure causes variation in electrical conductivity and absorption spectrum of the elements, radiation can be detected by the variation of these properties.

Abstract: A method and apparatus for detecting the presence of radiation are provided by making use of the change that occur in the electrical and optical properties of an electroconductive polymer which is exposed to radiation while in contact with doping gas. Said method and apparatus can be applied to the purpose of detection or determination of all radiations including electron beams, gamma-rays, alpha-rays and neutron rays.