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首页> 外文期刊>Journal of the American Chemical Society >Borane-Catalyzed Room-Temperature Hydrosilylation of Alkenes/Alkynes on Silicon Nanocrystal Surfaces
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Borane-Catalyzed Room-Temperature Hydrosilylation of Alkenes/Alkynes on Silicon Nanocrystal Surfaces

机译:硼烷催化的硅纳米晶表面上烯烃/炔烃的室温氢化硅烷化

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摘要

Room-temperature borane-catalyzed func-tionalization of hydride-terminated silicon nanocrystals (H-SiNCs) with alkenes/alkynes is reported. This new methodology affords formation of alkyl and alkynyl surface monolayers of varied chain lengths (i.e., C_5-C_(12)). The present study also indicates alkynes react more readily with H-SiNC surfaces than equivalent alkenes. Unlike other toxic transition-metal catalysts, borane or related byproducts can be readily removed from the functionalized SiNCs. The new method affords stable luminescent alkyl/ alkenyl-functionalized SiNCs.
机译:据报道,硼烷催化的氢化物封端的硅纳米晶体(H-SiNCs)具有烯烃/炔烃的室温官能化作用。这种新的方法可以形成链长不同的烷基和炔基表面单层(即C_5-C_(12))。本研究还表明,与同等烯烃相比,炔烃与H-SiNC表面的反应更容易。与其他有毒的过渡金属催化剂不同,硼烷或相关副产物可以很容易地从功能化SiNC中去除。新方法提供了稳定的发光烷基/烯基官能化的SiNC。

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  • 来源
    《Journal of the American Chemical Society》 |2014年第52期|17914-17917|共4页
  • 作者单位

    Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta Canada T6G 2G2;

    Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta Canada T6G 2G2;

    Department of Chemistry, Technische Universitaet Muenchen, Lichtenbergstrasse 4, 85748 Garching, Germany;

    Department of Chemistry, Ludwig-Maximilians-Universitaet Muenchen, Butenandtstrasse 5-13, 81377 Muenchen, Germany;

    Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta Canada T6G 2G2;

    Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta Canada T6G 2G2;

    Department of Chemistry, University of Alberta, 11227 Saskatchewan Drive, Edmonton, Alberta Canada T6G 2G2;

  • 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);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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