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Showing 1–4 of 4 results
Advanced filters: Author: Sanyin Qu Clear advanced filters

  • We synthesized small-sized ion doped PEDOT-Ag quantum dot (S-PEDOT-Ag QD) composite film via one-step vapor phase polymerization (VPP) using a novel Ag(I) salt precursor. The films exhibit enhanced thermoelectric performance and good antibacterial activity at low Ag loadings. This facile approach provides new route to synthesize high performance conducting polymer–inorganic composite.

    • Wei Shi
    • Qin Yao
    • Lidong Chen
    ResearchOpen Access
    NPG Asia Materials
    Volume: 14, P: 1-8

  • Micron-thick highly conductive poly(3,4-ethylenedioxythiophene) (PEDOT) films are fabricated using a novel self-inhibited polymerization (SIP) approach. The newly adopted inhibitor-free heavy oxidative solutions containing weakly basic anions (WBAs) such as dodecylbenzenesulfonate (DBSA) enables the spin-coating of thick and homogeneous oxidant layer, and meanwhile effectively inhibits both the crystallization of the oxidant and the H+ formation throughout the polymerization process.

    • Wei Shi
    • Qin Yao
    • Lidong Chen
    ResearchOpen Access
    NPG Asia Materials
    Volume: 9, P: e405

  • Herein, we fabricated pure poly(3-hexylthiophene) (P3HT) film with highly oriented morphology using a small-molecule 1,3,5-trichlorobenzene (TCB) as the template for polymer epitaxy with a temperature gradient crystallization process. The strong π–π conjugated interactions as well as the very close matching between the repeat distance of the thiophene units in P3HT and the repeat distance of TCB molecules have successfully induced the epitaxy process, allowing the P3HT polymer chains to lock onto the lattice of TCB, forming highly ordered P3HT chains in the direction parallel to the fiber axis. As a result, the electrical conductivity in the direction parallel to the fiber axis was significantly improved. The maximum thermoelectric power factor and ZT value at 365 K reached 62.4 μW mK-2 and 0.1 in the parallel direction of the TCB-treated P3HT film.

    • Sanyin Qu
    • Qin Yao
    • Lidong Chen
    ResearchOpen Access
    NPG Asia Materials
    Volume: 8, P: e292