Novel synthetic route for growth of gold nanorods via semiconductor procedure

Materials Physics and Chemistry

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Field Value
 
Title Novel synthetic route for growth of gold nanorods via semiconductor procedure
 
Creator Elhalawany, Noha Ragab
Enders, Brian
Bahceci, Ersin
Nayfeh, Munir
 
Subject infinitesimal silicon nanoparticles; gold nanorods; directional growth agent
 
Description We represent here a novel facile synthesis type route based on semiconductor procedure for growth of gold nanorods GNRs using infinitesimal silicon nanoparticles USSiN. The reaction takes place immediately upon mixing monodispersed hydrogen terminated USSiN of 2.9 nm diameter with auric acid HAuCl4 in presence and in absence of an emulsifier. The resulting colloids have been characterized via scanning electron microscope SEM, Energy dispersive spectrometry EDS and optical microscope OM. Photo-luminesence (PL) measurements have been also carried out. Our results show formation of gold nanorods GNRs, gold nanoplates GNPs, gold nanospheres GNSs and filaments. The formed GNRs have near uniform length of 1.5 µm and diameter of 300 nm (5 aspect ratio). The results are consistent with a seedless process in which the H-terminated silicon nanoparticles act as either the reducing as well as the directional growth agent, eliminating the need for toxic cetyl-trimethyl-ammonium bromide CTAB or, which is typically used as the directional growth agent. 
 
Publisher PiscoMed Publishing Pte Ltd
 
Contributor
 
Date 2019-05-22
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://ojs.piscomed.com/index.php/MPC/article/view/573
10.18282/mpc.v1i2.573
 
Source Materials Physics and Chemistry; Vol 1 , No 2 (Published); 20-27
2661-412X
 
Language eng
 
Relation http://ojs.piscomed.com/index.php/MPC/article/view/573/526
 
Rights Copyright (c) 2019 Noha Elhalawany et al.
http://creativecommons.org/licenses/by-nc/4.0
 

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