BS2

BS2 is a thermodynamically stable semiconducting compound formed from boron and sulfur that is frequently studied for its diverse structural configurations.

BS
Crystal structure of BS2
Ground-state structure · Materials Project
Overview

About BS2

BS2 is a semiconducting compound composed of boron and sulfur. It is recognized for its thermodynamic stability, sitting securely on the convex hull, which suggests a robust structural arrangement that is favorable for synthesis and long-term durability in various environments. The material has garnered significant interest in computational materials science, with numerous structural configurations documented across major databases. This high level of data richness highlights its importance as a subject for exploring fundamental bonding behaviors in chalcogenide systems. Its semiconducting nature makes it a compelling candidate for investigation in electronic and optoelectronic applications where precise control over charge carriers is required.

At a glance

Key Properties

Cross-validated computational properties for BS2, aggregated across 3 databases.

Band Gap

2.57 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

38
3 databases, 16 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting BS2.

Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where BS2 is used.

Semiconductor researchMaterials science modelingFundamental chemical studies
Reference

Frequently Asked Questions

Common questions about BS2, answered from cross-validated data.

What is BS2?

BS2 is a thermodynamically stable semiconducting compound formed from boron and sulfur that is frequently studied for its diverse structural configurations.

More questions
What is BS2 used for?
BS2 is used in semiconductor research, materials science modeling, and fundamental chemical studies.
What is the band gap of BS2?
BS2 has a DFT-computed band gap of 2.57 eV across 38 reported structures.
Is BS2 a metal, semiconductor, or insulator?
With a band gap up to 2.57 eV it is a semiconductor.
Is BS2 thermodynamically stable?
Yes — BS2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of BS2 are known?
38 structures of BS2 are reported across 3 databases, spanning 16 distinct space groups.
How is BS2 synthesized?
Literature-reported routes for BS2 include solid state.
What elements does BS2 contain?
BS2 contains B and S (2 elements).
Where does the data for BS2 come from?
BS2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct boron-sulfur binary compound, BS2 represents a unique structural archetype within the broader landscape of chalcogenide semiconductors. While many binary systems exhibit complex phase behaviors, the thermodynamic stability of this compound marks it as a foundational reference point for researchers studying the evolution of electronic properties in non-oxide boron materials.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

Analyze BS2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →