Optical properties of PZN-PT nanoparticles thin layer on ITO glass for photovoltaic application

OAJ Materials and Devices

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Field Value
Title Optical properties of PZN-PT nanoparticles thin layer on ITO glass for photovoltaic application
Creator NDIOUKANE, Rémi
KOBOR, Diouma
MOTTE, Laurence
SOLARD, Jeanne
Subject physics
perovskite, nanoparticles, thin layers, optical properties, bad gap

Description In this work, undoped and Mn doped PZN-4.5PT nanoparticles were dispersed in biopolymer and in mixte biopolymer + pentacene as active layer and deposited by spin coating on ITO glasses. Morphological, optical and electrical properties of these layers were investigated. SEM images show the superposition of different deposited layers ITO/TiO2/PZN-PT-np-biopolymer on glass substrate with thicknesses of 1.600 µm, 1.505 µm and 1.765 µm respectively. The absorbance value in UV visible of pentacene layer such devices increases from 75 % to 99 % while the transparency of ITO glasses diminishes from more than 80 % to 2 %. Optical gaps of ITO, TiO2, PZN-PT nanoparticles are respectively 3.75 eV, 3.2 eV and 3.15 eV. Pentacene deposition reduced the gap to 1.65 eV for undoped sample and 1.60 eV for doped. Intermediate gaps (2.3 eV and 2.6 eV for undoped sample and 2.15 eV and 2.7 eV for doped sample) were observed. Photoluminescence performed between 450 nm and 750 nm confirms this intermediate gaps showing the potential application of such materials in solar cells.
Publisher Collaborating Academics
Contributor Agence Universitaire de la Francophonie (AUF)
Date 2019-02-27
Type info:eu-repo/semantics/article
Peer-reviewed Article
Format application/pdf
Identifier http://caip.co-ac.com/index.php/materialsanddevices/article/view/70
Source Materials and Devices; Vol 4, No 1 (2019)
Language eng
Relation http://caip.co-ac.com/index.php/materialsanddevices/article/view/70/41
Rights Copyright (c) 2019 Rémi NDIOUKANE, Diouma KOBOR, Laurence MOTTE, Jeanne SOLARD

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