I synthesised silver (Ag) nanoparticles in my lab. I don't have TEM facility and I would like to know the particle size before doing TEM.
For silver nanoparticles you can estimate the size by the change in color due to the change in plasmon resonance, follow the link.
DLS leads to the hydrodynamic diameter which is most likely larger than the diameter of the core.
Note that for Photo-semicondutors like ZnO change in bandgap can also be monitored.
http://www.sigmaaldrich.com/materials-science/nanomaterials/silver-nanoparticles.html
Article Synthesis and testing of ZnO nanoparticles for photo-initiat...
Please have a look at the following links
http://50.87.149.212/sites/default/files/nanoComposix%20Guidelines%20for%20UV-vis%20Analysis.pdf
http://www.azonano.com/article.aspx?ArticleID=3588
http://perso.univ-lemans.fr/~gibaud/TPMasterII/amendolameneghetti_sizeMNP.pdf
https://www.ncbi.nlm.nih.gov/pubmed/17458937
https://dspace.carthage.edu/bitstream/handle/123456789/297/Determining%20the%20Size%20and%20Shape%20of%20Gold%20Nanoparticles.pdf?sequence=1
http://www.team-cag.com/products/chrom/lc/broshures/SampliQ_TechNotes/LatestLiterature/00001989.pdf
http://www.ssi.shimadzu.com/products/literature/ftir/ftiruv-1402.pdf
https://www.hindawi.com/journals/jnm/2013/313081/
GGood luck
You may get reliable information by Particle Size Analyser/ Dynamic Light Scattering (DLS) analysis. This instrument will give you entire information of particle size distribution, average size, information about polydispersity index (PDI value -indicating whether your particles are monodispersed or not) as well as zeta potential values ( which will indicate the stability of your particle). We find that Beckman DelsaNano C, USA was very reliable instrument for the purpose.
I think you try to get first Crystalite size from P-XRD data by using Sherer formula. If you find it interesting then go for DLS analysis. From Uv-vis you can know that the band broadening confirms decreased particle size.
Hope it sound well for u
For silver nanoparticles you can estimate the size by the change in color due to the change in plasmon resonance, follow the link.
DLS leads to the hydrodynamic diameter which is most likely larger than the diameter of the core.
Note that for Photo-semicondutors like ZnO change in bandgap can also be monitored.
http://www.sigmaaldrich.com/materials-science/nanomaterials/silver-nanoparticles.html
Article Synthesis and testing of ZnO nanoparticles for photo-initiat...
- Badges
- Science topic
- Similar topics
- Chemistry
- Nanotechnology
- Nanostructured Materials
- Nanoparticles