Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88838
Title: Effect of embedded nanoparticle surface chemistry on plasmonic organic photovoltaic devices
Authors: Wong, Terence Kin Shun
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Organic Photovoltaics
Solar Cells
Issue Date: 2017
Source: Wong, T. K. S. (2017). Effect of embedded nanoparticle surface chemistry on plasmonic organic photovoltaic devices. Materials for Renewable and Sustainable Energy, 6(1), 4-. doi:10.1007/s40243-017-0087-3
Series/Report no.: Materials for Renewable and Sustainable Energy
Abstract: The effect of noble metal nanoparticle (NP) synthesis method on the plasmonic enhancement of organic photovoltaic device performance by these NPs is reviewed. For direct incorporation into a polymer fullerene bulk heterojunction (BHJ) active layer, chemically synthesized colloidal Au or Ag NPs with organic ligands are generally ineffective. Due to the tendency of the ligands in causing exciton quenching, carrier trapping and recombination, the device power conversion efficiency (PCE) can be lower than a BHJ device without NPs. Ligand-free metal NPs prepared by physical methods such as pulsed laser ablation and electron beam evaporation can enhance the PCE when introduced into the BHJ. An alternative effective approach for both polymer and small molecule BHJ devices is core shell metal–silica NPs. Regardless of synthesis method, the NP size should be controlled to the range of ~50–100 nm to increase light trapping due to scattering and achieve synergistic enhancement. A non-spherical NP morphology with tunable dual localized surface plasmon resonance peaks at visible wavelengths is highly desirable. For core shell metal–silica NPs, the dielectric shell thickness must be optimized to ensure significant localized field enhancement at the surface of the NP.
URI: https://hdl.handle.net/10356/88838
http://hdl.handle.net/10220/45998
ISSN: 2194-1459
DOI: 10.1007/s40243-017-0087-3
Schools: School of Electrical and Electronic Engineering 
Research Centres: Photonics Centre of Excellence 
Rights: © 2017 The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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