CUED Publications database

Catalytic and seeded shape-selective synthesis of II-VI semiconductor nanowires

Fasoli, A and Colli, A and Kudera, S and Manna, L and Hofmann, S and Ducati, C and Robertson, J and Ferrari, AC (2007) Catalytic and seeded shape-selective synthesis of II-VI semiconductor nanowires. Physica E-Low-Dimensional Systems & Nanostructures, 37. pp. 138-141. ISSN 1386-9477

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Abstract

We demonstrate catalytic and seeded shape-selective growth of CdSe nanostructures by a steady-state vapor-transport process. By varying the powder and sample temperatures, we observe a transition from a regime where catalytic growth is dominant to a metal-free self-induced nucleation regime. We then show that the best structural and optical quality are obtained by using Use colloidal nanocrystals as seeds for metal-free growth, as indicated by electron microscopy, X-ray diffraction and photoluminescence. (C) 2006 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: growth arrays nanocrystals nanostructures nanosaws cdse cdte colloids vapor transport
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:23
Last Modified: 11 Aug 2014 01:10
DOI: 10.1016/j.physe.2006.06.010