Preparation, Conductivity, and Magnetic Properties of Pt3Co-PEDOT/PSS Nanocomposite

Acta Chimica Sinica ›› 2007, Vol. 65 ›› Issue (22): 2522-. Previous Articles Next Articles

导电高分子PEDOT/PSS稳定的Pt₃Co纳米粒子的制备及电、磁性

戴兢陶¹，杜玉扣¹，杨平*^{,1，徐景坤²}

(¹苏州大学化学化工学院苏州 215123)
(²江西科技师范学院江西省有机功能分子重点实验室南昌 330013)

投稿日期:2007-02-13 修回日期:2007-06-01 发布日期:2007-11-28
通讯作者: 杨平

Preparation, Conductivity, and Magnetic Properties of Pt₃Co-PEDOT/PSS Nanocomposite

DAI Jing-Tao¹; DU Yu-Kou¹; YANG Ping*^{1; XU Jing-Kun²}

(College of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215123)
(Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013)

Received:2007-02-13 Revised:2007-06-01 Published:2007-11-28
Contact: YANG Ping

Abstract

Magnetic nanocomposite Pt₃Co-PEDOT/PSS was synthesized in an aqueous solution of conducting polymers poly(3,4-ethylenedioxythiophene)/poly(styrene-4-sulfonate) (PEDOT/PSS) using a one- step co-reduction method and characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), FTIR spectroscopy, and superconducting quantum interference device (SQUID) techniques, respectively. The results showed that the average size and standard deviation of Pt₃Co-PEDOT/PSS nanocomposite were 9.6 and 2.4 nm, respectively. The structure of Pt₃Co nanoparticle is face centered cube (fcc). The films made of the magnetic nanocomposite of Pt₃Co-PEDOT/PSS were conductive with conductivity between 1.6 and 4.0 S/m. The nanocomposite is superparamagnetic above the blocking temperature (T_B＝110.5 K) while it is ferromagnetic with H_c (701 Oe) and M_r(4.1 emu/g) at 10 K (below T_B).

Key words: Pt₃Co magnetic nanoparticle, poly(3,4-ethylenedioxythiophene)/poly(styrene-4-sulfonate) conducting polymer, conductivity, magnetic property

Cite this article

DAI Jing-Tao; DU Yu-Kou; YANG Ping*¹; XU Jing-Kun². Preparation, Conductivity, and Magnetic Properties of Pt₃Co-PEDOT/PSS Nanocomposite[J]. Acta Chimica Sinica, 2007, 65(22): 2522-.

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导电高分子PEDOT/PSS稳定的Pt₃Co纳米粒子的制备及电、磁性

Preparation, Conductivity, and Magnetic Properties of Pt₃Co-PEDOT/PSS Nanocomposite

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导电高分子PEDOT/PSS稳定的Pt3Co纳米粒子的制备及电、磁性