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Title: Effect of ZnO Double Layer as Anti-Reflection Coating Layer in ZnO Dye-Sensitized Solar Cells
Authors: Ekkachai Chanta
Duangmanee Wongratanaphisan
Atcharawon Gardchareon
Surachet Phadungdhitidhada
Pipat Ruankham
Supab Choopun
Keywords: Energy
Issue Date: 1-Nov-2015
Abstract: © 2015 The Authors. Published by Elsevier Ltd. Dye-sensitized solar cells based on ZnO double layer anti-reflection coating (DLARC) thin films are investigated. The ZnO DLARCs were prepared by stacking two different ZnO morphologies prepared by two different techniques including rf-magneton sputtering (rf-ZnO) and sparking technique (sp-ZnO). The device using rf-ZnO as the bottom layer and sp-ZnO (3 cycles) as the top one exhibits short circuit current density (Jsc) of 5.80 mA/cm2and the maximum power conversion efficiency (PCE) of 1.88%, which is higher than that of the device stacking in reverse order and the device using ZnO single layer anti-reflection coating (SLARC). The main enhancement of PCE is attributed to the reduction of light reflection at the substrate surface. This leads to the increase of Jscand the efficiency improvement of DSSCs.
ISSN: 18766102
Appears in Collections:CMUL: Journal Articles

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