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首页> 外文期刊>Japanese journal of applied physics >Adsorption of Phenylphosphonic Acid on Gold and Platinum Surfaces
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Adsorption of Phenylphosphonic Acid on Gold and Platinum Surfaces

机译：苯膦酸在金和铂表面的吸附

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摘要

The adsorption structure and thermal stability of phenylphosphonic acid (PPOA) on Au and Pt polycrystalline surfaces were investigated as a function of PPOA exposure and surface temperature, by infrared reflection absorption spectroscopy (IR-RAS) and a Kelvin probe (KP). The IR RAS spectra of PPOA on Au and Pt were found to be similar. PPOA is adsorbed without molecule decomposition at 300 K on both surfaces. The molecularly adsorbed PPOA started to desorb at about 350 K, which is similar to the PPOA evaporation temperature. The surfaces studied were shown to be less active than Al, Ti, and Si surfaces with respect to interaction with phosphonic acid.
机译：通过红外反射吸收光谱法（IR-RAS）和开尔文探针（KP）研究了Au和Pt多晶表面上苯膦酸（PPOA）的吸附结构和热稳定性与PPOA暴露和表面温度的关系。发现PPOA在Au和Pt上的IR RAS光谱相似。 PPOA在300 K的两个表面上均被吸附而没有分子分解。分子吸附的PPOA在约350 K处开始解吸，这与PPOA的蒸发温度相似。在与膦酸的相互作用方面，研究的表面显示出比Al，Ti和Si表面低的活性。

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  • 来源
    《Japanese journal of applied physics》 |2011年第8issue1期|p.081606.1-081606.5|共5页
  • 作者

    Shinjiro Yagyu; Michiko Yoshitake; Nataliya Tsud; Toyohiro Chikyow;

  • 作者单位

    Nano-Electronics Materials Unit, International Center for Materials Nanoarchitectonics (MANA),National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0003, Japan;

    Nano-Electronics Materials Unit, International Center for Materials Nanoarchitectonics (MANA),National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0003, Japan;

    Department of Surface and Plasma Science, Charles University, Prague 8, 18000, Czech Republic;

    Nano-Electronics Materials Unit, International Center for Materials Nanoarchitectonics (MANA),National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0003, Japan;

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