Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness

Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness

We have grown nanostructured films of Zn/Al Layered Double Hydroxide (LDH) on different substrates by combining the deposition of an aluminum micropatterned thin layer with a successive one-step room-temperature wet-chemistry process. The resulting LDH film is made of lamellar-like nanoplatelets mai...

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Main Authors: D. Scarpellini, C. Leonardi, A. Mattoccia, L. Di Giamberardino, P. G. Medaglia, G. Mantini, F. Gatta, E. Giovine, V. Foglietti, C. Falconi, A. Orsini, R. Pizzoferrato
Format: Article
Language:English
Published: Hindawi Limited 2015-01-01
Series:Journal of Nanomaterials
Online Access:http://dx.doi.org/10.1155/2015/809486
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spelling doaj-f593278983b84a5da368d7ef58d488612020-11-24T23:51:16ZengHindawi LimitedJournal of Nanomaterials1687-41101687-41292015-01-01201510.1155/2015/809486809486Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral ThicknessD. Scarpellini0C. Leonardi1A. Mattoccia2L. Di Giamberardino3P. G. Medaglia4G. Mantini5F. Gatta6E. Giovine7V. Foglietti8C. Falconi9A. Orsini10R. Pizzoferrato11Department of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyIFN, National Research Council (CNR), 00156 Rome, ItalySPIN, National Research Council (CNR), University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Electronic Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyDepartment of Industrial Engineering, University of Rome Tor Vergata, 00133 Rome, ItalyWe have grown nanostructured films of Zn/Al Layered Double Hydroxide (LDH) on different substrates by combining the deposition of an aluminum micropatterned thin layer with a successive one-step room-temperature wet-chemistry process. The resulting LDH film is made of lamellar-like nanoplatelets mainly oriented perpendicular to the substrate. Since the aluminum layer acts as both reactant and seed for the synthesis of the LDH, the growth can be easily confined with submicrometric-level resolution (about ±0.5 μm) by prepatterning the aluminum layer with conventional photolithographic techniques. Moreover, we demonstrate real-time monitoring of the LDH growth process by simply measuring the resistance of the residual aluminum film. If the aluminum layer is thinner than 250 nm, the morphology of LDH nanoplatelets is less regular and their final thickness linearly depends on the initial amount of aluminum. This peculiarity allows accurately controlling the LDH nanoplatelet thickness (with uncertainty of about ±10%) by varying the thickness of the predeposited aluminum film. Since the proposed growth procedure is fully compatible with MEMS/CMOS technology, our results may be useful for the fabrication of micro-/nanodevices.http://dx.doi.org/10.1155/2015/809486
collection DOAJ
language English
format Article
sources DOAJ
author D. Scarpellini
C. Leonardi
A. Mattoccia
L. Di Giamberardino
P. G. Medaglia
G. Mantini
F. Gatta
E. Giovine
V. Foglietti
C. Falconi
A. Orsini
R. Pizzoferrato
spellingShingle D. Scarpellini
C. Leonardi
A. Mattoccia
L. Di Giamberardino
P. G. Medaglia
G. Mantini
F. Gatta
E. Giovine
V. Foglietti
C. Falconi
A. Orsini
R. Pizzoferrato
Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
Journal of Nanomaterials
author_facet D. Scarpellini
C. Leonardi
A. Mattoccia
L. Di Giamberardino
P. G. Medaglia
G. Mantini
F. Gatta
E. Giovine
V. Foglietti
C. Falconi
A. Orsini
R. Pizzoferrato
author_sort D. Scarpellini
title Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
title_short Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
title_full Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
title_fullStr Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
title_full_unstemmed Solution-Grown Zn/Al Layered Double Hydroxide Nanoplatelets onto Al Thin Films: Fine Control of Position and Lateral Thickness
title_sort solution-grown zn/al layered double hydroxide nanoplatelets onto al thin films: fine control of position and lateral thickness
publisher Hindawi Limited
series Journal of Nanomaterials
issn 1687-4110
1687-4129
publishDate 2015-01-01
description We have grown nanostructured films of Zn/Al Layered Double Hydroxide (LDH) on different substrates by combining the deposition of an aluminum micropatterned thin layer with a successive one-step room-temperature wet-chemistry process. The resulting LDH film is made of lamellar-like nanoplatelets mainly oriented perpendicular to the substrate. Since the aluminum layer acts as both reactant and seed for the synthesis of the LDH, the growth can be easily confined with submicrometric-level resolution (about ±0.5 μm) by prepatterning the aluminum layer with conventional photolithographic techniques. Moreover, we demonstrate real-time monitoring of the LDH growth process by simply measuring the resistance of the residual aluminum film. If the aluminum layer is thinner than 250 nm, the morphology of LDH nanoplatelets is less regular and their final thickness linearly depends on the initial amount of aluminum. This peculiarity allows accurately controlling the LDH nanoplatelet thickness (with uncertainty of about ±10%) by varying the thickness of the predeposited aluminum film. Since the proposed growth procedure is fully compatible with MEMS/CMOS technology, our results may be useful for the fabrication of micro-/nanodevices.
url http://dx.doi.org/10.1155/2015/809486
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