title: A novel orchid-like polyaniline superstructure by solvent-thermal method.
abstract: An orchid-like polyaniline (PANI) structures was synthesized by initialing the polymerization at 80 °C and growing at 25 °C using ethanol and water as co-solvent in the presence of toluene-p-sulfonic acid (p-TSA) as the dopant. The "flowers" are consisted of 8-14 pieces of "petals" with 5-8 μm in length. By adjusting the molar ratio of p-TSA/aniline, the cooling rate and the component of the solvent, flake-like and peony-like morphology can also be obtained. The formation mechanism of the orchid-like structure is proposed.
authors.affiliation: School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, PR China.
authors.forename: Mu
authors.initials: M
authors.lastname: Yang
authors.forename: Zhaojun
authors.initials: Z
authors.lastname: Xiang
authors.forename: Ge
authors.initials: G
authors.lastname: Wang