Keyword search (4,163 papers available)

"Abutayeh M" Authored Publications:

Title Authors PubMed ID
1 Fabrication of Porous Gold Film Using Graphene Oxide as a Sacrificial Layer. Alazzam A, Alamoodi N, Abutayeh M, Stiharu I, Nerguizian V 31323903
ENCS

 

Title:Fabrication of Porous Gold Film Using Graphene Oxide as a Sacrificial Layer.
Authors:Alazzam A,  Alamoodi N,  Abutayeh M,  Stiharu I,  Nerguizian V
Link:https://www.ncbi.nlm.nih.gov/pubmed/31323903?dopt=Abstract
DOI:10.3390/ma12142305
Publication:Materials (Basel, Switzerland)
Keywords:dielectrophoresis;  gold porous;  gold porous film;  graphene oxide;  metal porous;  porous;  porous film; 
PMID:31323903 Category:Materials (Basel) Date Added:2019-08-07
Dept Affiliation: ENCS
1 Department of Mechanical Engineering, Khalifa University, Abu Dhabi 127788, United Arab Emirates. anas.alazzam@ku.ac.ae.
2 Department of Electrical Engineering, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada. anas.alazzam@ku.ac.ae.
3 Department of Chemical Engineering, Khalifa University, Abu Dhabi 127788, United Arab Emirates.
4 Mechanical Engineering Department, Arkansas State University, Jonesboro, AR 72401, USA.
5 Department of Mechanical and Industrial Engineering, Concordia University, Montreal, QC H3G 1M8, Canada.
6 Department of Electrical Engineering, École de Technologie Supérieure, Montreal, QC H3C 1K3, Canada.

Description:

Fabrication of Porous Gold Film Using Graphene Oxide as a Sacrificial Layer.

Materials (Basel). 2019 Jul 18;12(14):

Authors: Alazzam A, Alamoodi N, Abutayeh M, Stiharu I, Nerguizian V

Abstract

An original and simple fabrication process to produce thin porous metal films on selected substrates is reported. The fabrication process includes the deposition of a thin layer of gold on a substrate, spin coating of a graphene oxide dispersion, etching the gold film through the graphene oxide layer, and removing the graphene oxide layer. The porosity of the thin gold film is controlled by varying the etching time, the thickness of the gold film, and the concentration of the graphene oxide dispersion. Images by scanning electron and metallurgical microscopes show a continuous gold film with random porosity formed on the substrate with a porosity size ranging between hundreds of nanometers to tens of micrometers. This general approach enables the fabrication of porous metal films using conventional microfabrication techniques. The proposed process is implemented to fabricate electrodes with patterned porosity that are used in a microfluidic system to manipulate living cells under dielectrophoresis. Porous electrodes are found to enhance the magnitude and spatial distribution of the dielectrophoretic force.

PMID: 31323903 [PubMed]




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