actually my question about the shape of the UV curve when i read articles , i saw different UV graphs some are sharp while other board, although the two values after measure the highest point in the curve are the same and in the range of nanoparticles for example 420 nm for SNPs.
Hi. Take a look at the following link
https://www.hindawi.com/journals/ijo/2009/475941/
The UV-Vis absorption spectrum depends largely on the size and shape of NPs.
https://www.sciencedirect.com/topics/chemistry/uv-vis-absorption-spectrophotometry
Dear Reham
The particle sizes can change the UV absorption spectrum peak. It means that the UV absorption peak of silver nanoparticles depends on the size of silver nanoparticles. There is an intensive discussion regarding this on the research gate forum. Please see the link below
https://www.researchgate.net/post/How_should_I_identify_silver_nanoparticles_from_UV-Vis_spectra
Hope it helps.
Best wishes
Xuhua
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