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Comment on ‘Unconventional gap state of trapped exciton in lead sulphide quantum dots’

Curry, RJ (2011) Comment on ‘Unconventional gap state of trapped exciton in lead sulphide quantum dots’ Nanotechnology, 22 (23). ISSN 0957-4484

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Abstract

In a recent paper (Lewis et al 2010 Nanotechnology 21 45502) proposed a previously unidentified gap state within lead sulfide nanocrystals (PbS-NCs) based on analysis of their temperature dependent optical properties. In the following we argue that due to oversights in the analysis of the data presented, inconsistencies arise which question their exclusion of 'dark' excitonic states as the origin of the observed effects.

Item Type: Article
Divisions: Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Depositing User: Symplectic Elements
Date Deposited: 15 Sep 2011 08:38
Last Modified: 23 Sep 2013 18:44
URI: http://epubs.surrey.ac.uk/id/eprint/7114

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