Optical studies of polyvinylpyrrolidone reduction effect on free and complex metal ions

Caixia Kan; Weiping Cai; Cuncheng Li

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Optical studies of polyvinylpyrrolidone reduction effect on free and complex metal ions

机译：聚乙烯吡咯烷酮对游离和复杂金属离子还原作用的光学研究

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Polyvinylpyrrolidone (PVP) reduction effect on free and complex Ag~+ and Au~(3+) ions was studied from optical measurements by adding a metal precursor (K-30), commonly used as a stabilizer, to PVP. It was found that PVP has a strong reduction effect on free ionic metal, such as Ag~+ ion in AgNO_3, but much weaker on complex ionic metals, AuCl_4~- in HauCl_4 and Ag(NH_3)_2~+ in Ag(NH_3)_2OH. This is explained based on the coordinative field of polar group in PVP molecules.

机译：通过光学测量，通过向PVP中添加通常用作稳定剂的金属前体（K-30），研究了聚乙烯吡咯烷酮（PVP）对游离和复杂的Ag〜+和Au〜（3+）离子的还原作用。结果表明，PVP对AgNO_3中的Ag〜+离子等游离离子金属有很强的还原作用，而对复合离子金属，HauCl_4中的AuCl_4〜-和Ag（NH_3）中的Ag（NH_3）_2〜+的复合离子弱得多。 _2OH。这是基于PVP分子中极性基团的配位场来解释的。

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来源
《Journal of Materials Research》 |2005年第2期|p.320-324|共5页
作者
Caixia Kan; Weiping Cai; Cuncheng Li;
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作者单位

Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academia of Sciences, Hefei 230031, People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Optical studies of polyvinylpyrrolidone reduction effect on free and complex metal ions

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