(C6H9NO)n (Polyvinylpyrrolidone, PVP)
1 dataset, together covering 0.375–1 µm. Default: König et al. 2014: n,k 0.375–1.0 µm.
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Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# (C6H9NO)n (Polyvinylpyrrolidone, PVP): König et al. 2014: n,k 0.375–1.0 µm
mat = ls.fetch_refractiveindex("organic", "polyvinylpyrrolidone", "Konig", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mat.range_nm) # (375, 1000) nm
eps = mat.eps([633]) # complex permittivityDownloads the original record once (pinned to the imported snapshot) and caches it.
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_aed184c27f3f/lightsmith"
mat = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(mat.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (polyvinylpyrrolidone/konig-2014).
# ... load mat as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=mat)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=1000, num=81),
)
res = ls.solve(sim) # exact Mie for a sphere
print(res.q_ext) # extinction efficiency at each wavelengthSame spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).
Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.
About (C6H9NO)n (Polyvinylpyrrolidone, PVP)
Polyvinylpyrrolidone (PVP, (C6H9NO)n) is a water-soluble polymer made from the monomer N-vinylpyrrolidone. This polymer has found its way into a myriad of applications due to its unique properties such as excellent solubility in water and many organic solvents, capability to form films, and adhesive qualities. In the pharmaceutical industry, PVP is employed as a binder in tablet formulations, and in cosmetics, it's often used as a stabilizer and emulsifier. In the optics realm, PVP solutions can be used for spin coating to form thin films. Additionally, its hygroscopic nature allows it to be employed as a moisture-absorbing agent in many products. One notable property of PVP is its capability to form complexes with various compounds, enhancing the solubility of poorly water-soluble drugs, leading to its common use in the pharmaceutical sector.
Other names: C6H9NO)n (Polyvinylpyrrolidone, PVP, (C6H9NO)n, PVP, Povidone, Copovidone, PVPP, Crospovidone, Polyvidone, PNVP, Poly[1-(2-oxo-1-pyrrolidinyl)ethylen], 1-Ethenyl-2-pyrrolidon homopolymer, 1-Vinyl-2-pyrrolidinon-Polymere
Also listed in
API: /v1/materials/mat_87abdb4d5ff4 · slug polyvinylpyrrolidone