Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.matlet.2010.03.022
Title: Modification of ZnO nanorods through Au nanoparticles surface coating for dye-sensitized solar cells applications
Authors: Peh, C.K.N.
KE, L.
Ho, G.W. 
Keywords: Au nanoparticles
Dye-sensitized solar cell
Nanorods
Plasmon
ZnO
Issue Date: 30-Jun-2010
Citation: Peh, C.K.N., KE, L., Ho, G.W. (2010-06-30). Modification of ZnO nanorods through Au nanoparticles surface coating for dye-sensitized solar cells applications. Materials Letters 64 (12) : 1372-1375. ScholarBank@NUS Repository. https://doi.org/10.1016/j.matlet.2010.03.022
Abstract: Dye-sensitized solar cells (DSSC) based on ZnO nanorods were fabricated and modified through the addition of Au nanoparticles. The as-synthesized ZnO nanorods were well-dispersed and of high crystallinity quality leading to a high cell efficiency of 5.2%. On the other hand, thick layer of Au nanoparticles aggregation may have led to distortion of plasmonic effect. Also, the addition of Au nanoparticles have effectively decreased the surface area of ZnO nanorods with direct contact to the dye molecules, resulting in a lower amount of adhered dye molecules to convert sunlight. The electrons generated by the photo-absorption through thick aggregated Au nanoparticles layer may have a lower injection rate to ZnO nanorods as compared to those absorbed by the dye. © 2010 Elsevier B.V. All rights reserved.
Source Title: Materials Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/56681
ISSN: 0167577X
DOI: 10.1016/j.matlet.2010.03.022
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