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Template-directed nucleation and growth of CdS nanocrystal: the role of helical and nonhelical nanofibers on their shape and size
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Biochemistry and Organic Chemistry.
2010 (English)In: Journal of nanoparticle research, ISSN 1388-0764, E-ISSN 1572-896X, Vol. 12, no 3, 713-718 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2010. Vol. 12, no 3, 713-718 p.
Keyword [en]
Nanofiber, Nanocrystal, Cadmium sulfide, Self-assembly, Helical, Chirality, Composite nanomaterials
National Category
Chemical Sciences
URN: urn:nbn:se:uu:diva-136344DOI: 10.1007/s11051-010-9851-3ISI: 000276883900003OAI: oai:DiVA.org:uu-136344DiVA: diva2:376679
Available from: 2010-12-13 Created: 2010-12-11 Last updated: 2010-12-13Bibliographically approved

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