Gold Bulletin, Volume (45), No (3), Year (2012-9) , Pages (145-151)

Title : ( Rate redox-controlled green photosy nthesis of gold nanoparticles using H PMo3+xV12−xOx40 )

Authors: Ali Ayati , Ali Ahmadpour , Fatemeh F. Bamoharram , Maji d M . Heravi , Mika Sillanpää ,

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Stabilized and size-controlled gold nanoparticles were synthesized using molybdophosphoric acid (H[PMo3O], HPMo) and its vanadium- substituted mixed addenda (H12403+x[PMoV12−xOx40], (x00-3); and HPMoV) under UV irradiation by a simple green method. In the process, HPMo and HPMoVx play the role of photocatalyst, reducing agent and efficient stabilizer. Control of gold nanoparticles size was achieved by variation o f initial gold ions concentration and molar ratio of HPMo to gold ions. The synthesis rate of Au nanoparticles was found to be parallel to an increasing x value i n the order of: HPMoV3>HPMoV> HPMoV > HPMo, which leads to smaller and more uniform particles. Also, by substitution of vanadium instead of molybdenum in the HPMo formula, the morphology of nanoparticles was gradually changed from spherical-shaped nanoparticles in the presence of HPMo to nanorods in the c as e o f HPMoV 2 . 3

Keywords

, Molybdophosphoric acid, Vanadium, Gold Nanoparticle, Nanorod, UV
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@article{paperid:1032431,
author = {Ayati, Ali and Ahmadpour, Ali and Fatemeh F. Bamoharram and Maji D M . Heravi and Mika Sillanpää},
title = {Rate redox-controlled green photosy nthesis of gold nanoparticles using H PMo3+xV12−xOx40},
journal = {Gold Bulletin},
year = {2012},
volume = {45},
number = {3},
month = {September},
issn = {2190-7579},
pages = {145--151},
numpages = {6},
keywords = {Molybdophosphoric acid; Vanadium; Gold Nanoparticle; Nanorod; UV irradiation.},
}

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%0 Journal Article
%T Rate redox-controlled green photosy nthesis of gold nanoparticles using H PMo3+xV12−xOx40
%A Ayati, Ali
%A Ahmadpour, Ali
%A Fatemeh F. Bamoharram
%A Maji D M . Heravi
%A Mika Sillanpää
%J Gold Bulletin
%@ 2190-7579
%D 2012

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