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首页> 外文期刊>Inorganic Chemistry Communications >Stabilization of Pd, Pt and Ru nanoparticles by optically active CO/styrene copolymers
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Stabilization of Pd, Pt and Ru nanoparticles by optically active CO/styrene copolymers

机译：光学活性CO /苯乙烯共聚物稳定Pd，Pt和Ru纳米颗粒

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摘要

Fully isotactic, chiral CO/styrene copolymers were used as stabilizers for palladium, platinum and ruthenium nanoparticles synthesis. The tuning of copolymer/metal ratio and metal concentration were found to be key parameters in order to adjust the size and the agglomeration tendency of the metallic nanoclusters. These new materials were fully characterized by elemental analysis, infrared, solid state ~(13)C MAS NMR spectroscopies, and transmission electronic microscopy. Platinum and ruthenium nanoparticles were tested as catalysts in the ethyl pyruvate hydrogenation, giving high activities; in this preliminary work, no enantioselectivity induction was observed.
机译：完全等规的手性CO /苯乙烯共聚物用作钯，铂和钌纳米粒子合成的稳定剂。发现调节共聚物/金属比和金属浓度是关键参数，以调节金属纳米团簇的尺寸和附聚趋势。这些新材料通过元素分析，红外，固态〜（13）C MAS NMR光谱学和透射电子显微镜进行了全面表征。铂和钌纳米粒子在丙酮酸乙酯加氢中作为催化剂进行了测试，具有很高的活性;在该初步工作中，未观察到对映选择性诱导。

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