Journal
ADVANCED MATERIALS
Volume 21, Issue 6, Pages 661-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200801642
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Funding
- Council of the Hong Kong [CityU 102206]
- CityU Strategic Research [7002275]
- 973 Program [2006CB933000, 2007C B936000]
- National High-tech R&D Program of China [2006AA03Z302]
- Natural Science Foundation of China (NSFC) [20801010, 20803008]
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H-terminated Si quantum dots (Si QDs) with 3 nm diameter are converted to water-soluble uniform-sized Si QDs after controlled oxidation in an EtOH/H2O2 solution. These dots present Si/SiOxHy core/shell nanostructures and can be finely tuned to emit light in seven different colors due to the quantum size effect in the Si cores, exhibiting excellent photocatalytic activity in the visible range.
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