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The study on size dependent dipole dipole interaction in the self-assembly of twisting nanoribbons with circular polarization activation
Yan, Bo; Ma, Chenghua; Lv, Bin; Zhu, Junwen; Li, Yun; Cai, Pinggen; Gao, Fan; Ye, Ziran; Sui, Chenghua; Cheng, Guofeng; Lin, Qiang; Wu, Xiaoshan; Shi, Yi
2019-09-20
Source PublicationNANOTECHNOLOGY
ISSN0957-4484
Volume30Issue:38
SubtypeArticle
AbstractThe mechanism of self-assembling process of inorganic nanoparticle (NPs) is still an open question due to the various and non-additive interactions between NPs. Kotov et al reported that the semiconductor NPs can be self-assembled by external activation such as irradiation. In this paper, the twisted CdTe nanoribbons were successfully assembled with circular polar light activation based on the chiral selective resonance absorption. The effect of NP size on the morphology of assemblies under circular polar light irradiation is discussed by introducing a new mechanism of photooxidation induced dipole moment which decreases with increasing sizes of the NPs because of the change of band offsets at the CdS/CdTe interface. Moreover, we find that the competition between the dipole-dipole interaction and electrostatic repulsion can be modulated by the size of the NPs and the concentration of dispersion, which are the key points to produce the chiral twisted nanoribbons.
Keywordcircular polarization CdTe QDs photooxidation self-assembly nanostructures
DOI10.1088/1361-6528/ab2af5
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Physics
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26829
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Yan, Bo,Ma, Chenghua,Lv, Bin,et al. The study on size dependent dipole dipole interaction in the self-assembly of twisting nanoribbons with circular polarization activation[J]. NANOTECHNOLOGY,2019,30(38).
APA Yan, Bo.,Ma, Chenghua.,Lv, Bin.,Zhu, Junwen.,Li, Yun.,...&Shi, Yi.(2019).The study on size dependent dipole dipole interaction in the self-assembly of twisting nanoribbons with circular polarization activation.NANOTECHNOLOGY,30(38).
MLA Yan, Bo,et al."The study on size dependent dipole dipole interaction in the self-assembly of twisting nanoribbons with circular polarization activation".NANOTECHNOLOGY 30.38(2019).
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