Near-infrared-emitting colloidal Ag2S quantum dots excited by an 808 nm diode laser
文献类型：期刊论文
| 作者 | Zhang, Yanyan1; Xia, Jinfeng2; Li, Caixia3; Zhou, Guohong2; Yang, Wei1; Wang, Dandan1; Zheng, Huiping1; Du, Yuansheng1; Li, Xi1; Li, Qiang1 |
| 刊名 | Journal of Materials Science
 |
| 出版日期 | 2017 |
| 卷号 | 52期号:16页码:9424-9429 |
| ISSN号 | 00222461 |
| DOI | 10.1007/s10853-017-1131-5 |
| 英文摘要 | Thioglycolic acid (TGA)-coated colloidal Ag2S quantum dots (QDs) emitting in the near-infrared (NIR) region upon excitation by an 808 nm diode laser were synthesized. The observed photoluminescence (PL) was attributed to the presence of ligand-modified Ag2S on the QD surfaces and could be easily controlled by a simple dilution process due to the concentration-dependent surface structure of the colloidal QDs. Upon dilution of the solution, the PL intensity initially increased before later decreasing, with a blueshift being observed in the PL spectra. These phenomena can be accounted for by the aggregation of QDs due to a decrease in the content of ligand-modified Ag2S on the QD surfaces upon dilution, which in turn affected the fluorescence resonance energy transfer (FRET), and re-emission of the surface energy level. © 2017, Springer Science+Business Media New York. |
| 源URL | [http://ir.sic.ac.cn/handle/331005/25900]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 作者单位 | 1.Department of Chemistry, East China Normal University, Shanghai; 200062, China; 2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China; 3.Yuxi Normal University, Yuxi; Yunnan Province; 653100, China |
| 推荐引用方式 GB/T 7714 | Zhang, Yanyan,Xia, Jinfeng,Li, Caixia,et al. Near-infrared-emitting colloidal Ag2S quantum dots excited by an 808 nm diode laser[J]. Journal of Materials Science,2017,52(16):9424-9429. |
| APA | Zhang, Yanyan.,Xia, Jinfeng.,Li, Caixia.,Zhou, Guohong.,Yang, Wei.,...&Li, Qiang.(2017).Near-infrared-emitting colloidal Ag2S quantum dots excited by an 808 nm diode laser.Journal of Materials Science,52(16),9424-9429. |
| MLA | Zhang, Yanyan,et al."Near-infrared-emitting colloidal Ag2S quantum dots excited by an 808 nm diode laser".Journal of Materials Science 52.16(2017):9424-9429. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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