What is the absorbance peak or SPR for nanoparticles in uv-vis spectroscopy?

More B R Siddharth's questions See All

Any suggestions regarding the graph obtained for nano-particle synthesis how we can improve this graph to obtain SPR ?

We have attempted to synthesize Silver (SNPs) from Fenugreek any suggestions regarding improvement and how to interpenetrate this graphs we have used 3mM Silver nitrate and 30% plant extract.

08 September 2019 9,494 1 View

What is the reason for this type of graph in 300-700nm range for silver nanoparticles synthesis?

Uv- vis spectro reading in 300-700nm range for silver nano sunthesis

06 July 2019 9,514 15 View

What is the incubation time generally for formation of silver nano particles currently i am working on micro greens and i have no idea about pH ?

GREEN SYNTHESIS OF SILVER NANO PARTICLES FROM PLANT EXTRACT

06 July 2019 3,294 4 View

What are the compounds mainly responsible for green synthesis of silver nano particles ?

silver nano particles are produced by plants called green synthesis

06 July 2019 8,378 22 View

What is the mechanism of production of silver nano particls by plant extract what is the role played by plant extracts?

silver nano particles

05 June 2019 6,787 20 View

Suggest a good method to study chromosomal aberrations in plants how to prepare its slides for microscopic observations?

to study effects of silver nano particles on plant Genotoxicity

05 June 2019 1,468 1 View

How to characterize silver nano particles?

Techniques of characterizations

05 June 2019 6,421 5 View

What is surface Plasmon resonance durring silver naoparticle synthesized from plant extract?

silvernano particles are produed from palnt extract various chemical and physical process can be used to produce silver nano particles

05 June 2019 7,570 6 View

Why there is variation in silver nano particle synthesis with diffrent plant extracts what factors effects its synthesis?

silver nano particles can be synthesized from various plant extract

05 June 2019 2,087 3 View

How one can study Chromosome aberrations in plants as a monitoring system using silver nano particles what are its applications?

silver nano particles create chromosomal aberrations in plants

05 June 2019 3,506 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

What is the best solvent to remove PDMS from nano particles?

I want to remove PDMS oligomers from the surface of nanolayers. I have just read a very helpful paper about the compatibility of PDMS with different solvents( Solvent Compatibility of...

24 February 2021 7,845 5 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Marie Berthuel

Hello B R Siddharth

I would suggest to read this paper : Article Silver Nanoparticles: Synthesis, Characterization, Propertie...

Best regards,

Marie B.

Alan F Rawle

This topic has been extensively discussed on ResearchGate. Search on this site first.

Rina Singh

SPR is Surface Plasmon Resonance ( collective oscillation of conduction electrons of a metal) and since you are addressing nanoparticles it is generally called Localised Surface Plasmon Resonance since the oscillation is localized in nm region. It is different for different metals and depends on shape, size and dielectric environment of surrounding medium. When frequency of oscillation matches with the frequency of electromagnetic field , due to this resonance phenomena metal absorbs light of particular frequency and that is measured in terms of absorbance.