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Insights into the Structure of Dot@Rod and Dot@Octapod CdSe@CdS Heterostructures

Corrias, Anna, Conca, Erika, Cibin, Giannantonio, Mountjoy, Gavin, Gianolio, Diego, De Donato, Francesco, Manna, Liberato, Casula, Maria Francesca (2015) Insights into the Structure of Dot@Rod and Dot@Octapod CdSe@CdS Heterostructures. Journal of Physical Chemistry C, 119 (28). pp. 16338-16348. ISSN 1932-7447. E-ISSN 1932-7455. (doi:10.1021/acs.jpcc.5b04593) (KAR id:49605)

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Abstract

CdSe@CdS dot@rods with diameter around 6 nm and length of either

nm were investigated by X-ray absorption spectroscopy. These heterostructures are

the CdSe nanocrystals used as a seed play key roles in directing the growth of the second

CdSe@CdS heterostructures was investigated at the Cd, S, and Se K-edges by taking

reference compounds. We found that the structural features of dot@rods are

CdSe dot and a CdS rod, both in the wurtzite phase with a high crystallinity of both the

synthesis in promoting the formation of core@shell nanocrystals with very low

a CdSe cubic sphalerite phase with eight pods made of CdS wurtzite phase. Our findings are compared to current models

proposed for the design of functional heterostructures with controlled nanoarchitecture.

Item Type: Article
DOI/Identification number: 10.1021/acs.jpcc.5b04593
Subjects: Q Science > QD Chemistry
Divisions: Faculties > Sciences > School of Physical Sciences > Functional Materials Group
Depositing User: Anna Corrias
Date Deposited: 20 Jul 2015 13:01 UTC
Last Modified: 27 Jan 2020 04:07 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/49605 (The current URI for this page, for reference purposes)
Corrias, Anna: https://orcid.org/0000-0002-5190-8196
Mountjoy, Gavin: https://orcid.org/0000-0002-6495-2006
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