期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 15, 页码 4212-4216出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201400114
关键词
diazo compounds; hydrosilylation; silicon nanocrystals; surface grafting
资金
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canada Foundation for Innovation (CFI)
- Alberta Science and Research Investment Program (ASRIP)
- University of Alberta, Department of Chemistry
- Fonds der Chemischen Industrie
The reactivity of diazonium salts towards freestanding, photoluminescent silicon nanocrystals (SiNCs) is reported. It was found that SiNCs can be functionalized with aryl groups by direct reductive grafting of the diazonium salts. Furthermore, diazonium salts are efficient radical initiators for SiNC hydrosilylation. For this purpose, novel electron-deficient diazonium salts, highly soluble in nonpolar solvents were synthesized. The SiNCs were functionalized with a variety of alkenes and alkynes at room temperature with short reaction times.
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