{"title":"Scattering characteristics of core/shell structured quantum dots pumped by nanosecond laser pulses","authors":"Yu Chen, Yanxin Yu, Chunyang Wang","doi":"10.1109/3M-NANO.2017.8286302","DOIUrl":null,"url":null,"abstract":"This paper reports the simulated scattering characteristics of CdTe/ZnS quantum Dots (QDs) pumped by 532-nm laser pulses based on the simulation and experiment. Comparing to CdTe QDs, the CdTe/ZnS QDs exhibit a red frequency-shift, a lower scattering intensity, but exhibit a nonlinear transmission under 1064-nm nanosecond laser pulses, more chemical/physical stability, the nonlinear transmission is 1.12times than that of CdTe QDs. The energy-dispersive spectroscopy (EDS) data of CdTe/ZnS QDs clearly revealed the Cd, Zn and S components exsit in the CdTe/ZnS QDs. These scattering characteristics of QDs make them find special applications in biosensor and Self-adapted optics.","PeriodicalId":6582,"journal":{"name":"2017 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO)","volume":"32 1","pages":"170-173"},"PeriodicalIF":0.0000,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/3M-NANO.2017.8286302","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper reports the simulated scattering characteristics of CdTe/ZnS quantum Dots (QDs) pumped by 532-nm laser pulses based on the simulation and experiment. Comparing to CdTe QDs, the CdTe/ZnS QDs exhibit a red frequency-shift, a lower scattering intensity, but exhibit a nonlinear transmission under 1064-nm nanosecond laser pulses, more chemical/physical stability, the nonlinear transmission is 1.12times than that of CdTe QDs. The energy-dispersive spectroscopy (EDS) data of CdTe/ZnS QDs clearly revealed the Cd, Zn and S components exsit in the CdTe/ZnS QDs. These scattering characteristics of QDs make them find special applications in biosensor and Self-adapted optics.
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