A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles

The water soluble photoinitiator (PI) 4-(trimethyl ammonium methyl) benzophenone chloride is used for the first time in the synthesis of silver nanoparticles (AgNPs). A new green synthesis method involves using PI/UV system, carboxymethyl starch (CMS), silver nitrate, and water. A mechanism of the r...

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Main Author: M. A. El-Sheikh
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/514563
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author M. A. El-Sheikh
author_facet M. A. El-Sheikh
author_sort M. A. El-Sheikh
collection DOAJ
description The water soluble photoinitiator (PI) 4-(trimethyl ammonium methyl) benzophenone chloride is used for the first time in the synthesis of silver nanoparticles (AgNPs). A new green synthesis method involves using PI/UV system, carboxymethyl starch (CMS), silver nitrate, and water. A mechanism of the reduction of silver ions to AgNPs by PI/UV system as well as by the newly born aldehydic groups was proposed. The synthesis process was assessed by UV-vis spectra and TEM of AgNPs colloidal solution. The highest absorbance was obtained using CMS, PI and AgNO3 concentrations of 10 g/L, 1 g/L, and 1 g/L, respectively; 40°C; 60 min; pH 7; and a material : liquor ratio 1 : 20. AgNPs so-obtained were stable in aqueous solution over a period of three weeks at room temperature (~25°C) and have round shape morphology. The sizes of synthesized AgNPs were in the range of 1–21 nm and the highest counts % of these particles were for particles of 6–10 and 1–3 nm, respectively.
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spelling doaj-art-454acfdd95ff46d68d9608c33749e06c2025-02-03T07:24:33ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/514563514563A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver NanoparticlesM. A. El-Sheikh0National Research Centre, Textile Research Division, El-Behouth Street, Dokki, P.O. Box 12311, Giza, EgyptThe water soluble photoinitiator (PI) 4-(trimethyl ammonium methyl) benzophenone chloride is used for the first time in the synthesis of silver nanoparticles (AgNPs). A new green synthesis method involves using PI/UV system, carboxymethyl starch (CMS), silver nitrate, and water. A mechanism of the reduction of silver ions to AgNPs by PI/UV system as well as by the newly born aldehydic groups was proposed. The synthesis process was assessed by UV-vis spectra and TEM of AgNPs colloidal solution. The highest absorbance was obtained using CMS, PI and AgNO3 concentrations of 10 g/L, 1 g/L, and 1 g/L, respectively; 40°C; 60 min; pH 7; and a material : liquor ratio 1 : 20. AgNPs so-obtained were stable in aqueous solution over a period of three weeks at room temperature (~25°C) and have round shape morphology. The sizes of synthesized AgNPs were in the range of 1–21 nm and the highest counts % of these particles were for particles of 6–10 and 1–3 nm, respectively.http://dx.doi.org/10.1155/2014/514563
spellingShingle M. A. El-Sheikh
A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
The Scientific World Journal
title A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
title_full A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
title_fullStr A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
title_full_unstemmed A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
title_short A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles
title_sort novel photosynthesis of carboxymethyl starch stabilized silver nanoparticles
url http://dx.doi.org/10.1155/2014/514563
work_keys_str_mv AT maelsheikh anovelphotosynthesisofcarboxymethylstarchstabilizedsilvernanoparticles
AT maelsheikh novelphotosynthesisofcarboxymethylstarchstabilizedsilvernanoparticles