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教職員生

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期刊論文
學年度101
期刊等級SCI
出版日期2012-09-00
卷數43
期數5
起迄頁798
起迄頁805
總頁數8
作者中文名Hsieh, Tar-Hua
作者英文名Hsieh, Tar-Hua
著作人數7
作者型態Other
參考網址http://www.sciencedirect.com/science/article/pii/S1876107012000491
使用語言英文
備註Polyaniline (PANI) is doped with poly(acrylic acid) (PAA) and poly(styrenesulfonic acid) (PSS) via a doping–dedoping–redoping process. Fourier transform infrared (FT-IR) spectroscopy results confirm that PANI is doped with PSS (or PAA). X-ray photoelectron spectroscopy (XPS) results indicate that the nitrogen atoms of PANI–PSS are more positively charged than those of PANI–PAA. Scanning electron microscopy (SEM) images reveal that PANI–PSS is composed of highly porous nanowires. Platinum (Pt) can be deposited onto PANI–PAA and PANI–PSS films using the potentiostatic mode to obtain PANI–PAA– Pt and PANI–PSS–Pt composite electrodes, respectively. Auger electron spectroscopy (AES) results indicate that Pt particles disperse more uniformly into the spatial regions of PANI–PSS than those of PANI–PAA. The SO3H group in PANI–PSS may facilitate the electrodeposition of Pt better than the CO2H group in PANI–PAA. Cyclic voltammetry results and chronoamperometric response measurements show that the activity and stability toward methanol oxidation of the PANI–PSS–Pt electrode are better than those of the PANI–PAA–Pt electrode.
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