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学科主题: 物理化学
题名: Thermal stability of several polyaniline/rare earth oxide composites
作者: Huang, Zihang1;  Wang, Shaoxu1;  Li, Hui1;  Zhang, Shihui1;  Tan, Zhicheng2
通讯作者: ShaoxuWang
关键词: PANI/La2O3 composite ;  PANI/Sm2O3 composite ;  Thermal stability ;  TG-DTG ;  Electrochemical performance
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2014
DOI: 10.1007/s10973-013-3242-9
卷: 115, 期:1, 页:259-266
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Polyaniline/rare earth oxide composites (PANI/La2O3 and PANI/Sm2O3) were synthesized by in situ polymerization at the presence of sulfosalicylic acid (as dopant). The composites obtained were characterized by Fourier transform infrared spectra (FTIR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The thermal stability of the composites was investigated by thermogravimetry (TG) and derivative thermogravimetry (DTG). The electrochemical performance of the composites was investigated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The results of FTIR, XRD, SEM, CV, and EIS show that the structure of composite has changed greatly when rare earth oxide content is > 0.7 g (PANI/La2O3[w/w(92.7/7.3)] and PANI/Sm2O3[w/w(96.2/3.8)]) and the PANI in the composite has transformed into pernigraniline base (non-conducting state) from emeraldine base (conducting state). TG-DTG analysis indicates that the thermal stability of composite was higher than pure PANI, which is attributed to the interaction between PANI and rare earth oxide.
关键词[WOS]: ELECTRODE MATERIALS ;  NANOCOMPOSITE ;  DECOMPOSITION ;  NANOPARTICLES
语种: 英语
WOS记录号: WOS:000329621100030
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143863
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Jiaotong Univ, Coll Environm & Chem Engn, Dalian 116028, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Huang, Zihang,Wang, Shaoxu,Li, Hui,et al. Thermal stability of several polyaniline/rare earth oxide composites[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2014,115(1):259-266.
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