N-Bromosuccinimide-based bromination and subsequent functionalization of hydrogen-terminated silicon quantum dots†,10.1039/C4RA08477B

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N-Bromosuccinimide-based bromination and subsequent functionalization of hydrogen-terminated silicon quantum dots†

Jacob P. Bell,Jacqueline E. Cloud,Jifang Cheng,Chilan Ngo,Suneel Kodambaka,Alan Sellinger,S. Kim Ratanathanawongs Williams,Yongan Yang

RSC Advances Pub Date : 10/06/2014 00:00:00 , DOI:10.1039/C4RA08477B

Abstract

We report a mild, effective, room-temperature method for brominating and functionalizing colloidal hydrogen-terminated silicon quantum dots (H-SiQDs) using N-bromosuccinimide (NBS) as the bromination reagent. This post-synthesis bromination overcomes a long-standing challenge of producing emissive SiQDs through the functionalization of directly synthesized halogen-terminated colloidal SiQDs.