Electrophoretic deposition of poly(3-decylthiophene) onto gold-mounted cadmium selenide nanorods

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Title: Electrophoretic deposition of poly(3-decylthiophene) onto gold-mounted cadmium selenide nanorods
Authors: Garate, Jose-Antonio
English, Niall J.
Singh, Ajay
Ryan, Kevin M.
Mooney, Damian A.
MacElroy, J. M. Don
Permanent link: http://hdl.handle.net/10197/3386
Date: 21-Sep-2011
Abstract: Molecular mechanisms of electrophoretic deposition (EPD) of poly(3-decylthiophene) (P3DT) molecules onto vertically aligned cadmium selenide arrays have been studied using large-scale, nonequilibrium molecular dynamics (MD), in the absence and presence of static external electric fields. The field application and larger polymer charges accelerated EPD. Placement of multiple polymers at the same lateral displacement from the surface reduced average deposition times due to “crowding”, giving monolayer coverage. These findings were used to develop and validate Brownian dynamics simulations of multilayer polymer EPD in scaled-up systems with larger inter-rod spacings, presenting a generalized picture in qualitative agreement with random sequential adsorption.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: ACS Publications
Copyright (published version): 2011 American Chemical Society
Keywords: Molecular dynamics;Gold surfaces;Electric field;Electrophoretic deposition;Nanorod;P3HT;P3DT;Light-conducting polymer;Polymer-heterojunction solar cell
Subject LCSH: Molecular dynamics
Electric fields
Electrophoretic deposition
Nanostructured materials
Cadmium selenide
Polythiophenes
Solar cells
DOI: 10.1021/la203227k
Language: en
Status of Item: Peer reviewed
Appears in Collections:Solar Energy Conversion (SEC) Cluster Research Collection
Chemical and Bioprocess Engineering Research Collection
CSCB Research Collection

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