CAS OpenIR
Length and Diameter Characterization of Short Carbon Nanotubes by Light Scattering Method
Cao, Kun-wu; Yang, Hui; Zheng, Gang; Ren, Ying; Ge, Wei
2017
Conference Name10th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
Source PublicationProceedings Paper
Conference DateOCT 14-16, 2017
Conference PlaceE China Normal Univ, Shanghai, PEOPLES R CHINA
Author of SourceIEEE Engn Med & Biol Soc, AAi
Abstract

The method of depolarized dynamic light scattering is an effective means to characterize the two-dimensional information (i.e. the length and the diameter) of particles in dilute solution. However, due to the large aspect ratio of short carbon nanotubes, the signal-to-noise ratio of the system is low and the measurement repeatability is poor. To solve this problem, multi-angle depolarized dynamic light scattering(MA-DDLS) is proposed. The reproducibility of the measurement system is improved by linear fitting of the results measured at different angles. Firstly, the basic principle of multi-angle dynamic light scattering measurement of short carbon nanotube was studied. Then, set up an experimental measurement system. The short carbon nanotube measuring system, which is based on photon counting, is developed by LabVIEW. Finally, the measurement is executed using standard carbon nanotube, and compared with the single angle measurement method. The result show that the measurement repeatability of the multi-angle depolarized dynamic light scattering method is superior to the single angle measurement method.

KeywordDynamic Light Scattering Spectroscopy Depolarized Light Particles Multi-angle Dynamics Short Carbon Nanotube
Language英语
WOS IDWOS:000464407100422
Citation statistics
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28932
Collection中国科学院过程工程研究所
Recommended Citation
GB/T 7714
Cao, Kun-wu,Yang, Hui,Zheng, Gang,et al. Length and Diameter Characterization of Short Carbon Nanotubes by Light Scattering Method[C]//IEEE Engn Med & Biol Soc, AAi,2017.
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