Journal
MATERIALS LETTERS
Volume 64, Issue 16, Pages 1843-1845Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.05.015
Keywords
Nanomaterials; Crystal structure; Optical materials and properties
Funding
- National Natural Science Fund of China (NSFC) [50972083]
- Key Project of Chinese Ministry of Education [109098]
- Independent Innovation Foundation of Shandong University (IIFSDU) [IIFSDU-2009JQ011]
- National Basic Research Program of China (973 Program) [2005CB623601, 2007CB936602]
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Aqueous soluble homogeneously alloyed CdSexTe1-x (0 <= x <= 1) semiconductor nanocrystals (NCs) were synthesized by co-reduction of sodium selenite (Na2SeO3) and sodium tellurite (Na2TeO3) at 120 degrees C under microwave irradiation. The optical modulation of the photoluminescence (PL) between 600 and 710 nm could be facilely demonstrated through changing molar ratios of Se to Te. The PL quantum yields (QYs) of CdSexTe1-x NCs were lower than that of CdTe NCs. On the other hand, it could be higher than that of CdSe NCs. (C) 2010 Elsevier B.V. All rights reserved.
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