Works pretty much the same for solids; use reflectance. However, UV-Vis is not too informative.

Yes, UV-Vis spectra can be taken of solid materials as long as you have an instrument with an appropriate sample holder. However, if the material is too thick or dense for light to pass through it, you will need to obtain the spectra in reflectance mode, and not transmission mode like you would for a solution

Thanks Sauzier, my materail is a cotton fabric which will not allow the light to pass through, The fabric is coated with four different types of materials. However, as I measure reflectance spectra for all types, they are exactly same. At that point I was confused that I am doing that in right directions or not. Any ways if you have any Idea or a reference please share. Thanks 

Yes, I agree with Georgina,  UV-VIS spectra can be taken but only by using diffuse  reflectance measurements but am afraid that you can get only information about the color of it or some functional groups of the color that is used for dying your material.

Works pretty much the same for solids; use reflectance. However, UV-Vis is not too informative.

Iftikhar:

Remember what is being probed by the different types of spectroscopy. In UV-VIS spectroscopy, you're probing electronic transitions. That is, changes in electron energy levels. Sometimes this is useful for structure determination, but generally this technique is not used for structure determination.

IR spectroscopy (FTIR or otherwise) probes the vibrational energy levels of the molecules. This leads to much clearer determination of structure. For example, it's quite easy to see if a CH stretch is from a sp1, sp2, sp3 bonded carbon. Straight IR (e.g., FTIR) is not normally used for surfaces. Sometimes though a total internal reflection (AKA: ATR) adapter is available and you might look at thin films of solids and liquids on an FTIR instrument.

But, if you are looking for structure information (functional groups, relationships, etc.) based on a surface measurement, you might look at Raman spectroscopy in reflection mode. With Raman spectroscopy, you get vibrational information (structure) like in a conventional IR measurement, but it's more easily used on surfaces. Raman can also be used with aqueous media where IR cannot.

Of course, a better structural tool would be NMR. But that generally won't work with a bulk solid (even here, there are techniques for solids though). If you can dissolve your fabric without effecting its chemistry too much, you might want to look at an NMR approach.

I hope this helps!

Mr. Sahito,

For solid-state analysis you could use diffuse reflectance spectroscopy. Please find a note with the related reference (attachment). The chromophores as shown in the figure (attachment) within UV-VIS region of the electromagnetic spectrum have been presented relating the following discussions:

1. "Can anybody advise me on a relationship between charge transfer and UV-Vis absorbance?" (https://www.researchgate.net/post/Can_anybody_advise_me_on_a_relationship_between_charge_transfer_and_UV-Vis_absorbance)

and

2. "What is the interpretation if we get step like absorption in uv vis spectroscopy?" ( https://www.researchgate.net/post/What_is_the_interpretation_if_we_get_a_step_like_absorption_in_UV-Visible_Spectroscopy)