Reduction of Copper(II) Ions in Polyacrylic Acid–Polyethyleneimine Complexes Using X-ray Radiation

A. A. Zezin; V. I. Feldman; A. V. Dudnikov; S. B. Zezin; S. S. Abramchuk; S. I. Belopushkin

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Reduction of Copper(II) Ions in Polyacrylic Acid–Polyethyleneimine Complexes Using X-ray Radiation

机译：X射线辐射还原聚丙烯酸酯-聚乙烯亚胺配合物中的铜离子

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The specifics of X-ray-induced reduction of copper(II) ions in the polyacrylic acid-polyethyleneimine-copper(II) (PAA-PEI-Cu2+) complexes were studied. It was found that the action of radiation led to the effective reduction of Cu 2+in the PAA-PEI-Cu2+films swollen in an aqueous-alcohol medium. The formation of metal nanoparticles in irradiated samples was revealed by electron microscopy and X-ray diffraction techniques.Analysis of ESR data has demonstrated that the Cu2+reduction rate increases with an increase in the initial concentration of copper ions in the samples. Formal yields of the radiation-chemical reduction of Cu 2+in the PAA–PEI complex films were found to be quite high (>100 ions per100 eV of energy absorbed by the swollen film), which can be explained by involvement of the radiolysis products of aqueous alcoholic solutions (outer medium) in the reduction processes.

机译：研究了聚丙烯酸酯-聚乙烯亚胺-铜（II）（PAA-PEI-Cu2 +）络合物中X射线诱导的铜（II）离子还原的细节。发现辐射的作用导致在水-醇介质中溶胀的PAA-PEI-Cu2 +膜中Cu 2+的有效还原。通过电子显微镜和X射线衍射技术揭示了被辐照样品中金属纳米颗粒的形成。ESR数据分析表明，Cu2 +的还原速率随样品中铜离子初始浓度的增加而增加。发现PAA–PEI复合膜中Cu 2+的辐射化学还原的正式收率非常高（溶胀膜吸收的能量每100 eV含100离子以上），这可以通过辐射分解产物的参与来解释。还原过程中的酒精水溶液（外部介质）。

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《High Energy Chemistry》 |2009年第2期|共5页
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A. A. Zezin; V. I. Feldman; A. V. Dudnikov; S. B. Zezin; S. S. Abramchuk; S. I. Belopushkin;
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Reduction of Copper(II) Ions in Polyacrylic Acid–Polyethyleneimine Complexes Using X-ray Radiation

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