CH3NH3PbI3 (Methylammonium lead iodide, MAPbI3)

4 datasets, together covering 0.207–1.501 µm. Default: Leguy et al. 2015: n,k 0.249–0.789 µm.

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Tick datasets in the list to add them to the plot (up to 12).

Datasets

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# CH3NH3PbI3 (Methylammonium lead iodide, MAPbI3): Leguy et al. 2015: n,k 0.249–0.789 µm
ch3nh3pbi3 = ls.fetch_refractiveindex("other", "CH3NH3PbI3", "Leguy", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ch3nh3pbi3.range_nm)  # (249, 789) nm
eps = ch3nh3pbi3.eps([633])  # complex permittivity

Downloads 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_eda56d555ef0/lightsmith"
ch3nh3pbi3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ch3nh3pbi3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ch3nh3pbi3/leguy-2015).

# ... load ch3nh3pbi3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ch3nh3pbi3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=789, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

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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 CH3NH3PbI3 (Methylammonium lead iodide, MAPbI3)

Methylammonium lead iodide (CH₃NH₃PbI₃) is a prominent perovskite material used extensively in solar cell technology. It is renowned for its high photovoltaic efficiency due to its optimal band gap and strong light absorption capabilities. This compound typically forms a tetragonal crystalline structure that facilitates efficient charge transport, critical for its application in perovskite solar cells. Its optical properties, particularly its refractive index, are crucial for enhancing light-harvesting efficiency. Despite its potential in renewable energy applications, CH₃NH₃PbI₃ faces challenges related to environmental impact and stability, given its lead content and sensitivity to moisture and temperature.

Other names: Methylammonium lead iodide, MAPbI3, Methylammonium lead iodide, MAPbI₃

API: /v1/materials/mat_e4b9a9de79c0 · slug ch3nh3pbi3