CH3NH3PbBr3 (Methylammonium lead tribromide, MAPbBr3)

2 datasets, together covering 0.2–3.3 µm. Default: Ishteev et al. 2022: n,k 0.290–3.30 µm.

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Datasets

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# CH3NH3PbBr3 (Methylammonium lead tribromide, MAPbBr3): Ishteev et al. 2022: n,k 0.290–3.30 µm
ch3nh3pbbr3 = ls.fetch_refractiveindex("other", "CH3NH3PbBr3", "Ishteev", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ch3nh3pbbr3.range_nm)  # (290, 3300) nm
eps = ch3nh3pbbr3.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_ade018c74a8a/lightsmith"
ch3nh3pbbr3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ch3nh3pbbr3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ch3nh3pbbr3/ishteev-2022).

# ... load ch3nh3pbbr3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ch3nh3pbbr3)],
    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 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 CH3NH3PbBr3 (Methylammonium lead tribromide, MAPbBr3)

Methylammonium lead bromide (CH₃NH₃PbBr₃) is a hybrid organic-inorganic perovskite material noted for its outstanding optical properties and high efficiency in photovoltaic applications. This compound forms a crystalline structure that is effective in light absorption and electron-hole separation, making it highly advantageous for use in solar cells. Its refractive index and other optical characteristics are of particular interest for optical applications, including photovoltaic devices and light-emitting diodes (LEDs). While CH₃NH₃PbBr₃ shows great promise in advanced technological applications, it poses environmental and health risks due to its lead content. Additionally, its stability under environmental conditions remains a subject of extensive research, aiming to enhance its durability and safety for commercial use.

Other names: Methylammonium lead tribromide, MAPbBr3, Methylammonium lead bromide, MAPbBr₃

API: /v1/materials/mat_816917754a95 · slug ch3nh3pbbr3