Abstract
This study describes the use of chiral nature of synthetic self-assembled nanofibers for nucleation and growth of Cadmium sulfide (CdS) nanocrystals with different sizes and shapes in room temperature. The templates are built by immobilizing a peptide capping agent on the surface of synthetic self-assembled helical or nonhelical nanofibers and CdS nanocrystals were allowed to grow on them. It is observed that there are differences in shapes and sizes of the nanocrystals depending on the chiral nature of the nanofibers on which they were growing. Even the CdS nanocrystals grown on different chiral and achiral nanofibers differ markedly in their photoluminescence properties. Thus, here we introduce a new way of using chirality of nanofibers to nucleate and grow CdS nanocrystals of different shape, size, and optical property.
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Acknowledgments
We are thankful to Dr. Urmimala Chatterjee, Karolinska Institute, Sweden for helpful discussions. PPB thanks C.S.I.R New Delhi, India for financial support.
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Bose, P.P., Banerjee, A. Template-directed nucleation and growth of CdS nanocrystal: the role of helical and nonhelical nanofibers on their shape and size. J Nanopart Res 12, 713–718 (2010). https://doi.org/10.1007/s11051-010-9851-3
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DOI: https://doi.org/10.1007/s11051-010-9851-3