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Low price, high purity 2D iron phosphorus triselenide powder and crystal

For the development of next-generation electronics, optoelectronics, and nanotechnology


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Iron phosphorus triselenide (FePSe3) belongs to a layered MPX3 (M = Mn, Fe, Ni, Zn and X = S, Se) family. FePSe3, with a layered structure like graphite, is a low bandgap ternary magnetic semiconductor with p-type characteristics as grown single crystals. Like , FePSe3 has also been predicted to have Ising-type antiferromagnetic ordering from its bulk form to the ultrathin nanosheets.

High Purity

High purity ≥99.999% Iron Phosphorus Triselenide (FePSe3)) Crystal

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Low price Iron Phosphorus Triselenide (FePSe3)

Powder & Crystal

Available in Powder & Crystal forms

Antiferromagnetic semiconductor FePSe3 shows superconductivity along with the structural transition and vanishing of magnetic moment with a starting Tc ~2.5 K at 9.0 GPa and the maximum Tc ~5.5 K around 30 GPa.

Having a rhombohedral crystal system with space group R3̅ , FePSe3 undergoes isostructural or quasi-isostructural phase transitions under applied pressure at ~8 GPa

We supply low price iron phosphorus triselenide in several different forms for a range of applications.

Iron Phosphorus Triselenide Powder

Can be used for preparation of iron phosphorus triselenide nanoplates and ultrathin films

Available in quantities of 1 g

≥99.995% purity

From [[price gbp="350"]]

Iron Phosphorus Triselenide Crystals by Size

Can be used to produce single or few-layer iron phosphorus triselenide sheets via mechanical or liquid exfoliation

Small (≥10 mm2) or medium (≥25 mm2) crystals available*

≥99.999% purity

From [[price gbp="520"]]

*Typical representative size, areas/dimensions may vary

Bulk single iron phosphorus triselenide crystal is most commonly used as sources from which single or few-layer sheets can be obtained via either mechanical or liquid exfoliation. Single iron phosphorus triselenide crystal or films produced from such crystals are suitable for study using atomic force microscopy or transmission electron microscopy.

Few-layer FePSe3 nanosheets and nanoparticles can also obtained from iron phosphorus triselenide powder by liquid-exfoliation.

Technical Data

CAS NumberN/A
Chemical FormulaFePSe3
Molecular Weight323.70 g/mol
Bandgap~1.3 eV (bulk)
PreparationSynthetic - Chemical Vapour Transport (CVT)
StructureRhombohedral
Electronic Properties2D magnetic semiconductor
Melting PointN/A
ColourDark brown
SynonymsIron selenophosphate
Classification / Family2D layered transition metal phosphorus trichalcogenides (MPX3), Magnetic semiconductor, Antiferromagnet, Nano-electronics, Nano-photonics, Photovoltaic, Materials science

Product Details

FormPurity
Powder≥99.995%
Crystal≥99.999%

Pricing Table

Product CodeFormSize/Weight*Price
M2208C1Powder1 g[[price gbp="350"]]
M2208A10CrystalSmall (≥10 mm2)[[price gbp="520"]] ea.
M2208A25CrystalMedium (≥25 mm2)[[price gbp="850"]] ea.

*typical representative size, areas/dimensions may vary.

placed via our secure online checkout.

MSDS Documents


Structure of Iron Phosphorus Triselenide


Iron phosphorus triselenide (FePSe3) belongs to a layered MPX3 (M = Mn, Fe, Ni, Zn and X = S, Se) family, having a rhombohedral crystal iron phosphorus triselenide system and contains three layers of FePSe3 per unit cell.

In the FePSe3 crystal, the P atom is coordinated to three S atoms and one P atom to form a [P2Se6]4- unit. The [P2Se6]4- unit is connected with six Fe atoms, which are arranged in a honeycomb plane structure. However, unlike FePS3 where the atomic layers of the sulfides stack in the C2/m space group, selenides stack in R3̅.

Raman spectrum of bulk FePSe3 shows intense peaks at 215 and 168 cm-1 that are assigned to the stretching vibration of P−Se bond in a [P2Se6]4- cluster.

The crystal structure of single-layer Iron phosphorus triselenide (FePSe3)

Literature and Reviews


  • Electronic and magnetic properties of single-layer MPX3 metal phosphorous trichalcogenides, B. Chittari et al., Phys. Rev. B, 94, 184428 (2016); doi: 10.1103/PhysRevB.94.184428.
  • Metallic FePSe3 nanoparticles anchored on N-doped carbon framework for All-pH hydrogen evolution reaction, J. Yu et al., Nano Energy, 57, 222-229 (2019); doi: 10.1016/j.nanoen.2018.12.055.
  • The Role of the Metal Element in Layered Metal Phosphorus Triselenides upon Their Electrochemical Sensing and Energy Applications, R. Gusmão et al., ACS Catal., 7 (12), 8159-8170 (2017); doi: 10.1021/acscatal.7b02134.

We stock a wide range of 2D materials available to purchase online. Please if you cannot find what you are looking for.

Resources and Support


Viscoelastic Transfer of 2D Material Using PDMS

Viscoelastic transfer using polydimethylsiloxane (PDMS) stamps is one of the methods used for the deterministic placement of 2D materials and the fabrication of van der Waals heterostructures. It relies on the viscoelasticity of PDMS, which behaves as an elastic solid on short time scales, but as a viscous fluid on long time scales.

Iron Phosphorus Triselenide (FePSe3) Powder and Crystal
  • IronPhosphorusTriselenidePowder
  • IronPhosphorusTriselenideCrystal
  • 1g
  • Small10mm2
  • Medium25mm2

$ 84.77

$ 65.21

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