Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent
The rapid and green formation of spherical and dendritic silver nanostructures based on microwave irradiation time was investigated. Silver nanoparticles were successfully fabricated by reduction of Ag+ in a water medium and using polyvinylpyrrolidone (PVP) as the stabilizing agent and without the u...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI
2012
|
| Online Access: | http://psasir.upm.edu.my/id/eprint/77984/ http://psasir.upm.edu.my/id/eprint/77984/1/77984.pdf |
| _version_ | 1848858380840468480 |
|---|---|
| author | Noroozi, Monir Zakaria, Azmi Abd. Moksin, Mohd Maarof Abdul Wahab, Zaidan Abedini, Alam |
| author_facet | Noroozi, Monir Zakaria, Azmi Abd. Moksin, Mohd Maarof Abdul Wahab, Zaidan Abedini, Alam |
| author_sort | Noroozi, Monir |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | The rapid and green formation of spherical and dendritic silver nanostructures based on microwave irradiation time was investigated. Silver nanoparticles were successfully fabricated by reduction of Ag+ in a water medium and using polyvinylpyrrolidone (PVP) as the stabilizing agent and without the use of any other reducing agent, and were compared with those synthesized by conventional heating method. UV–vis absorption spectrometry, transmission electron microscopy (TEM), atomic absorption spectroscopy (AAS) and photon correlation spectroscopy (PCS) measurements, indicated that increasing the irradiation time enhanced the concentration of silver nanoparticles and slightly increased the particle size. There was a lack of large silver nanoparticles at a high concentration, but interestingly, the formation and growth of silver dendrite nanostructures appeared. Compared to conventional heating methods, the silver nanoparticle suspension produced by irradiated microwaves was more stable over a six-month period in aqueous solution without any signs of precipitation. |
| first_indexed | 2025-11-15T12:12:32Z |
| format | Article |
| id | upm-77984 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T12:12:32Z |
| publishDate | 2012 |
| publisher | MDPI |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-779842020-06-01T03:11:46Z http://psasir.upm.edu.my/id/eprint/77984/ Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent Noroozi, Monir Zakaria, Azmi Abd. Moksin, Mohd Maarof Abdul Wahab, Zaidan Abedini, Alam The rapid and green formation of spherical and dendritic silver nanostructures based on microwave irradiation time was investigated. Silver nanoparticles were successfully fabricated by reduction of Ag+ in a water medium and using polyvinylpyrrolidone (PVP) as the stabilizing agent and without the use of any other reducing agent, and were compared with those synthesized by conventional heating method. UV–vis absorption spectrometry, transmission electron microscopy (TEM), atomic absorption spectroscopy (AAS) and photon correlation spectroscopy (PCS) measurements, indicated that increasing the irradiation time enhanced the concentration of silver nanoparticles and slightly increased the particle size. There was a lack of large silver nanoparticles at a high concentration, but interestingly, the formation and growth of silver dendrite nanostructures appeared. Compared to conventional heating methods, the silver nanoparticle suspension produced by irradiated microwaves was more stable over a six-month period in aqueous solution without any signs of precipitation. MDPI 2012 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/77984/1/77984.pdf Noroozi, Monir and Zakaria, Azmi and Abd. Moksin, Mohd Maarof and Abdul Wahab, Zaidan and Abedini, Alam (2012) Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent. International Journal of Molecular Sciences, 13 (7). pp. 8086-8096. ISSN 1661-6596; ESSN: 1422-0067 https://www.mdpi.com/1422-0067/13/7/8086 10.3390/ijms13078086 |
| spellingShingle | Noroozi, Monir Zakaria, Azmi Abd. Moksin, Mohd Maarof Abdul Wahab, Zaidan Abedini, Alam Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title | Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title_full | Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title_fullStr | Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title_full_unstemmed | Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title_short | Green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| title_sort | green formation of spherical and dendritic silver nanostructures under microwave irradiation without reducing agent |
| url | http://psasir.upm.edu.my/id/eprint/77984/ http://psasir.upm.edu.my/id/eprint/77984/ http://psasir.upm.edu.my/id/eprint/77984/ http://psasir.upm.edu.my/id/eprint/77984/1/77984.pdf |