V3O5

V3O5 is a semiconducting vanadium oxide that exists as a near-hull phase, making it a candidate for synthesis in advanced electrochromic and refractory applications.

Crystal structure of V3O5 (triclinic, P-1 (No. 2))
Ground-state structure · Materials Project
Overview

About V3O5

V3O5 is a semiconducting oxide composed of vanadium and oxygen, positioned as a near-hull phase that suggests high potential for successful laboratory synthesis. As a member of the refractory-metal oxide family, it benefits from the structural flexibility characteristic of vanadium-based systems, which have been extensively documented across multiple crystallographic databases.

This compound is of significant interest in materials science due to its electronic properties and the complex phase behavior inherent to vanadium oxides. Its ability to exist in various structural configurations makes it a compelling subject for research into electrochromic devices and high-temperature stable materials where specific semiconducting behaviors are required.

At a glance

Key Properties

Cross-validated computational properties for V3O5, aggregated across 4 databases.

Band Gap

0.24–1.31 eV
Range across DFT structures

Energy Above Hull

0.008 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

36
4 databases, 15 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for V3O5, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P-1 (No. 2)triclinic1.310.0077-9.0214.44
Cc (No. 9)monoclinic0.980.0103-9.0194.44
P2/c (No. 13)monoclinic0.000.0120-9.0174.44
C2 (No. 5)monoclinic0.240.0308-8.9984.44
C2/c (No. 15)monoclinic0.000.0367-8.9924.75
C2/c (No. 15)Monoclinic4.75
C2/c (No. 15)Monoclinic4.75
Cm (No. 8)Monoclinic6.22
Cm (No. 8)Monoclinic6.22
Pm (No. 6)Monoclinic5.50
Cm (No. 8)Monoclinic5.95
Cm (No. 8)Monoclinic6.00
Uses

Applications

Where V3O5 is used.

Electrochromic devicesRefractory materials researchSemiconductor development
Reference

Frequently Asked Questions

Common questions about V3O5, answered from cross-validated data.

What is V3O5?

V3O5 is a semiconducting vanadium oxide that exists as a near-hull phase, making it a candidate for synthesis in advanced electrochromic and refractory applications.

More questions
What is V3O5 used for?
V3O5 is used in electrochromic devices, refractory materials research, and semiconductor development.
What is the band gap of V3O5?
V3O5 has a DFT-computed band gap of 0.24–1.31 eV across 36 reported structures.
Is V3O5 a metal, semiconductor, or insulator?
With a band gap up to 1.31 eV it is a semiconductor.
Is V3O5 thermodynamically stable?
V3O5 has a lowest energy above hull of 0.008 eV/atom (near hull (likely stable)).
What is the crystal structure of V3O5?
The lowest-energy reported polymorph of V3O5 is triclinic symmetry, space group P-1 (No. 2).
What is the density of V3O5?
The computed density of the ground-state structure of V3O5 is 4.44 g/cm³.
How many polymorphs of V3O5 are known?
36 structures of V3O5 are reported across 4 databases, spanning 15 distinct space groups.
What elements does V3O5 contain?
V3O5 contains O and V (2 elements).
Where does the data for V3O5 come from?
V3O5 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

Within the electrochromic and refractory-metal oxides class.

Within the broader class of electrochromic and refractory-metal oxides, V3O5 occupies a unique niche compared to the more common V2O5. While V2O5 is widely utilized for its well-defined electrochromic switching, V3O5 represents a more nuanced phase that bridges the gap between simpler oxides like NbO2 and the more complex, highly studied systems like WO3 or MoO3.

Explore

Related Compounds

Other Electrochromic and Refractory-Metal Oxides in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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