Borane-Catalyzed Room-Temperature Hydrosilylation of Alkenes/Alkynes on Silicon Nanocrystal Surfaces | Zendy

Tapas K. Purkait | Zendy; Muhammad Iqbal | Zendy; Maike H. Wahl | Zendy; Kerstin Gottschling | Zendy; Christina M. González | Zendy; Muhammad Amirul Islam | Zendy; Jonathan G. C. Veinot | Zendy

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Borane-Catalyzed Room-Temperature Hydrosilylation of Alkenes/Alkynes on Silicon Nanocrystal Surfaces

Author(s) -

Tapas K. Purkait,

Muhammad Iqbal,

Maike H. Wahl,

Kerstin Gottschling,

Christina M. González,

Muhammad Amirul Islam,

Jonathan G. C. Veinot

Publication year - 2014

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja510120e

Subject(s) - chemistry , hydrosilylation , catalysis , borane , nanocrystal , silicon , boranes , photochemistry , organic chemistry , nanotechnology , boron , materials science

Room-temperature borane-catalyzed functionalization 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., C5-C12). 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.

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