Porous ZnO as a novel encapsulation matrix for quantum dot based luminescent down-shifting films

Hodgson, Simon, Jones, S., Holliman, Peter, Rugen-Hankey, Sarah, Barrioz, Vincent and Irvine, Stuart (2014) Porous ZnO as a novel encapsulation matrix for quantum dot based luminescent down-shifting films. Materials Letters, 130. pp. 120-122. ISSN 0167-577X

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Abstract

In an effort to find an alternative way of incorporating quantum dot (QD) based luminescent down-shifting (LDS) films into photovoltaic (PV) devices, transparent (at long wavelength) zinc oxide (ZnO) films have been grown by chemical bath deposition (CBD) to form novel encapsulation matrices for QD based LDS films. The ZnO films appear to be stoichiometric (Zn:O) and meso-porous as characterised by energy dispersive x-ray analysis and scanning electron microscopy. QDs have been loaded into the films for varying lengths of time (24–72 h) resulting in measureable fluorescence upon excitation with a blue LED.

Item Type:	Article
Uncontrolled Keywords:	ZnO; Solar energy materials; Quantum dots; Light harvesting; Photoluminescence
Subjects:	F200 Materials Science
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Becky Skoyles
Date Deposited:	23 Nov 2015 14:52
Last Modified:	12 Oct 2019 19:20
URI:	http://nrl.northumbria.ac.uk/id/eprint/24682

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