Journal
CHEMISTRY LETTERS
Volume 41, Issue 10, Pages 1157-1159Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2012.1157
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Funding
- WPI
- JST-PRESTO
- MEXT
- Konica Minolta Science and Technology Foundation, Japan
- Grants-in-Aid for Scientific Research [23655138] Funding Source: KAKEN
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White-light-emitting silicon nanocrystals (Si NCs) have been prepared from Si powder through a facile route including HF-HCl etching. Owing to a broad size distribution, the light emission spectrum covers the whole visible wavelength range with full width at half-maximum (FWHM) of 230 nm. Covalent attachment of octyl monolayers to the Si surface changes the physical nature of the NCs from a solid into a solvent-free liquid, and affords them high thermal stability of photoluminescence (PL) even under ambient conditions.
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