The amplifying ability of semiconductive organic polymers in sensory schemes is described and its use for the detection of nitroaromatic explosives is reviewed. Semiconductive organic polymers serve as extremely efficient conduits for the transport of optically induced excitations and it is this transport property that allows for the high sensitivity of these materials to trinitrotoluene (TNT) and dinitrotoluene (DNT), the primary explosives used in landmines. Systematic molecular designs for the formation of improved sensitivity sensory materials are described.