ICCAS OpenIR
One-Step Synthesis of High-Quality Gradient CdHgTe Nanocrystals: A Prerequisite to Prepare CdHgTe-Polymer Bulk Composites with Intense Near-Infrared Photoluminescence
Sun, Haizhu1,2; Zhang, Hao1; Ju, Jie1; Zhang, Junhu1; Qian, Gang3; Wang, Chunlei1; Yang, Bai1; Wang, Zhi Yuan4
2008-11-11
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume20Issue:21Pages:6764-6769
AbstractWe have demonstrated an efficient method to prepare high-quality CdHgTe alloyed nanocrystals (NCs) by making use of a large difference in the solubility between CdTe and HgTe in aqueous medium. The resultant NCs show a gradient quasi "core/shell" structure in which the "core" is rich in HgTe and the "shell" is rich in CdTe. This unique structure makes the photo I umi nescence (PL) quantum yield (QY) of CdHgTe NCs up to 45% and remarkably improves their stability. The excellent stability of CdHgTe NCs allows for the successful preparation of NC-polymer bulk composites with intense PL in the near-infrared spectral region (tunable from 1100 to 1400 nm) upon excitation at 550 nm. Not only is the difficulty of preparing the CdHgTe NC-polymer bulk composites overcome, but also the composites show excellent thermal and luminescent stabilities, which is of importance for their future applications.
DOI10.1021/cm8018296
Indexed BySCI
Language英语
WOS IDWOS:000260658100031
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:78[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63402
Collection中国科学院化学研究所
Corresponding AuthorYang, Bai
Affiliation1.Jilin Univ, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China
2.NE Normal Univ, Coll Chem, Changchun 130024, Peoples R China
3.Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
4.Carleton Univ, Dept Chem, Ottawa, ON K1S 5B6, Canada
Recommended Citation
GB/T 7714
Sun, Haizhu,Zhang, Hao,Ju, Jie,et al. One-Step Synthesis of High-Quality Gradient CdHgTe Nanocrystals: A Prerequisite to Prepare CdHgTe-Polymer Bulk Composites with Intense Near-Infrared Photoluminescence[J]. CHEMISTRY OF MATERIALS,2008,20(21):6764-6769.
APA Sun, Haizhu.,Zhang, Hao.,Ju, Jie.,Zhang, Junhu.,Qian, Gang.,...&Wang, Zhi Yuan.(2008).One-Step Synthesis of High-Quality Gradient CdHgTe Nanocrystals: A Prerequisite to Prepare CdHgTe-Polymer Bulk Composites with Intense Near-Infrared Photoluminescence.CHEMISTRY OF MATERIALS,20(21),6764-6769.
MLA Sun, Haizhu,et al."One-Step Synthesis of High-Quality Gradient CdHgTe Nanocrystals: A Prerequisite to Prepare CdHgTe-Polymer Bulk Composites with Intense Near-Infrared Photoluminescence".CHEMISTRY OF MATERIALS 20.21(2008):6764-6769.
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