Silver Indium Phosphorus Selenide (AgInP2Se6) Powder

2D Materials, Low Dimensional Materials, Transition Metal Chalcogenides (TMCs), Transition Metal Phosphorus Chalcogenides (TMPCs)

MSDS

Silver Indium Phosphorus Selenide (AgInP2Se6) Powder

High purity AgInP2Se6 powder

Excellent for applications in photoelectronic devices

Technical Data | MSDS | Literature and Reviews | Related Products

Layered silver indium phosphorus selenide (AgInP₂Se₆) is another family member of hexachalcogenohypodiphosphates family which has a chemical formula of ABP2X6 (A = Cu or Ag, B = In or Bi, and X = S or Se).

Bulk AgInP₂Se₆ crystallizes in the trigonal P-31c space group and its monolayer adopts the centrosymmetric structure, with six equivalent bonds and no shift of metal atoms.

Atomically thin AgInP₂Se₆ layers can be synthesized through a facile probe sonication exfoliation of either bulk crystals or powder.

High Purity

≥99.995% AgInP2Se6 Powder

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Low Cost

Low Cost AgInP2Se6

Applications

Applications in photoelectronic devices

Technical Data

CAS Number	N/A
Chemical Formula	AgInP₂Se₆
Molecular Weight	758.39 g/mol
Bandgap	E_g = 0.622 eV
Preparation	Synthetic - Chemical Vapour Transport (CVT)
Structure	Triagonal
Electronic Properties	2D semiconductor, Topological insulator
Melting Point	N/A
Colour	Silver/Dark Grey
Classification / Family	Hexachalcogenohypodiphosphates, 2D semiconductor materials, Nano-electronics, Nano-photonics, Transistors, Photovoltaics, Materials science

Product Details

Form	Purity
Powder	≥99.995%

Pricing Table

Product Code	Form	Quantity	Price
M2326C1	Powder	500 mg	£220
M2326C1	Form	1 g	£350

MSDS Document

Silver indium phosphorus selenide powder

Structure of Silver Indium Phosphorus Selenide Powder

The crystal structure of AgInP₂Se₆ is very similar to the that of AgInP₂S₆ and it crystallizes in the trigonal P-31c space group. The structure is two-dimensional and consists of two AgIn(PSe₃)₂ sheets oriented in the (0, 0, 1) direction. Both metal Ag and In atoms are coordinated with six Se atoms and P atoms are tetrahedral coordinated to form a binuclear [P₂Se₆] ^4-cluster which are located in the centre of hexagon composed by alternative three Ag atoms and three In atoms.

AgInP2Se6 monolayer tetrahedral structure

In the bulk and multilayer samples, the neighbouring layers are coupled by van der Waals interactions. The selenium atoms form a hexagonal close packed structure arrangement with the layer sequence ABAB running along c-axis.

AgInP2Se6 monolayer structure — Silver Indium Phosphorus Selenide (AgInP₂Se₆) crystal structure

Applications of Silver Indium Phosphorus Powder

Monolayer AgInP₂Se₆ is extremely stable semiconductor and its bandgap and light absorption is adjustable by applying strains. Uniaxial and biaxial strains of 0.90 - 1.10 can realize the transition between indirect band gap and direct band gap and the phenomenon of optical red shift. Applying tensile strain will cause the dielectric function spectrum to respond in a lower energy direction. The tunability of the such optical and electrical properties makes AgInP₂Se₆ a great candidate for application in photoelectronic devices.

AgInP₂Se₆ also shows a good photochemical hydrogen evolution reaction (HER) activity.

Synthesis

Obtained via the CVT method, AgInP₂Se₆powder with purities of over 99.995% have been achieved.

Usage

AgInP₂Se₆ powder is suitable for liquid chemical exfoliation to process AgInP₂Se₆ quantum dot solutions and nano-plates down to few-layer films. High-quality, high-purity AgInP₂S₆ powder is also used for CV deposition of ultra-thin single or few-layer films.

Literature and Reviews

Tuning the electronic and optical properties of two-dimensional AgBiP2Se6 and AgInP2Se6 Janus monolayers, C. Zhang et al., Chem. Phys. Lett., 780, 138933 (2021); DOI: 10.1016/j.cplett.2021.138933.
Dielectric Properties of New AgInP2Se6 Crystals, A. Dziaugys et al., Ferroelectrics, 391, 151-157 (2010); DOI: 10.1080/00150190903004718.
Ferroelectricity in 2D metal phosphorous trichalcogenides and van der Waals heterostructures for photocatalytic water splitting, J. Mater. Chem. A, 9, 2734-2741 (2021); S. Huang et al., DOI: 10.1039/D0TA09618K.

Multidirectional Intrinsic Piezoelectricity of 2D Metal Chalcogen–Diphosphate ABP2X6 Monolayers, S. Jiang et al., Phys. Status Solidi RRL, 14, 2000321 (2020); DOI: 10.1002/pssr.202000321..

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