CH3NH3PbCl3 (Methylammonium lead tribromide, MAPbCl3)

Semiconductors and photonic platforms

1 dataset, together covering 0.2–2.5 µm. Default: Brennan et al. 2024: n,k 0.200–2.50 µm.

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Datasets

Brennan et al. 2024: n,k 0.200–2.50 µm n,k 0.2–2.5 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# CH3NH3PbCl3 (Methylammonium lead tribromide, MAPbCl3): Brennan et al. 2024: n,k 0.200–2.50 µm
ch3nh3pbcl3 = ls.fetch_refractiveindex("other", "CH3NH3PbCl3", "Brennan", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ch3nh3pbcl3.range_nm)  # (200, 2500) nm
eps = ch3nh3pbcl3.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_ede39f62b123/lightsmith"
ch3nh3pbcl3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ch3nh3pbcl3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ch3nh3pbcl3/brennan-2024).

# ... load ch3nh3pbcl3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ch3nh3pbcl3)],
    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"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

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 CH3NH3PbCl3 (Methylammonium lead tribromide, MAPbCl3)

Methylammonium lead chloride (CH₃NH₃PbCl₃) is a key perovskite material, noted for its use in optoelectronic devices such as photodetectors and light-emitting diodes (LEDs). This compound displays a cubic crystal structure, contributing to its unique optical properties, including a high refractive index and excellent photoluminescence. The presence of chloride tends to enhance the material's stability compared to its iodide counterpart, though it still contains lead, raising concerns about its environmental safety. The optical characteristics of CH₃NH₃PbCl₃ are significant for the development of light-based technologies, yet its commercial viability is tempered by issues related to durability and toxicity.

Other names: Methylammonium lead tribromide, MAPbCl3, Methylammonium lead chloride, MAPbCl₃

API: /v1/materials/mat_6ee63619af51 · slug ch3nh3pbcl3