Fabrication of a stable p–n junction in a polyacetylene film by ion implantation

Enhanced electrochemical stability of all-polymer redox supercapacitors with modified polypyrrole electrodes

“…Increases in hardness, strength and wear resistance [5][6][7], electrical conductivity [8][9][10], density [9], chain length [6][7][8], crystallinity [7][8][9] and solubility [5][6][7][8][9], as well as improvements in optical transmission [7][8][9][10] properties of the polymers have been reported. Many studies of ion irradiation with low energy (<1 MeV) on intrinsically electron-conducting polymers have been undertaken [11][12][13][14][15][16][17][18][19], but it would appear that our studies [20][21][22] were the first to show that SHI irradiation with high energy (>80 MeV) enhances the electrochemical stability of polypyrrole and polyaniline electrodes. In the present investigation, all-polymer redox supercapacitors are fabricated with LiClO 4 -and LiCF 3 SO 3 -doped polypyrrole electrodes that are either unirradiated or 160 MeV Ni 12+ ion irradiated.…”

Functionalized Conducting Polymers—Towards Intelligent Materials

“…[271 The semiconducting properties of undoped conjugated polymers such as polyacetylene and polythiophene have been used in various devices, such as Schottky junctions,[291 homo-and heterojunctions, [29] organic-inorganic junctions,[301 and field-effect transistors. The new concept of molecular semiconductors opens up a new field, both theoretically and with regard to applications.…”

Functionalized Conducting Polymers—Towards Intelligent Materials

“…The new concept of molecular semiconductors opens up a new field, both theoretically and with regard to applications. [271 The semiconducting properties of undoped conjugated polymers such as polyacetylene and polythiophene have been used in various devices, such as Schottky junctions,[291 homo-and heterojunctions, [29] organic-inorganic junctions,[301 and field-effect transistors. [311 Although the results are promising, it has been acknowledged in all these investigations that the devices suffer from the very poor semiconducting properties of these conjugated polymers.…”