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2D Semiconductors

OUR PRODUCTS

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MnO2

$420.00

MnO2

$420.00
SKU:
MnO2

Product Description

Environmentally stable delta (layered) phase of MnO2 has been synthesized using float zone technique at centimeter scales. In its delta-phase, MnO2 crystal structure assumes R-3m phase (see images) which contains layers stacked onto each other vdW bonding. Each layer has three atomic thick arrangement consisting of O-Mn-O layers as shown in the diagram in product images. In the bulk form, MnO2 has 1.5 eV predicted band gap while it has been anticipated to increase to 2.0 eV in the monolayer form [1]. The material is environmentally stable in air, water, and different gases. Layers can easily exfoliated onto desired substrates with minimal efforts as shown in the product images. Please see our Raman spectrum and comparison to the published literature [2] in Fig2b. 

Potential applications

  • Inert 2D substrates
  • Thermodynamically stable catalytic material
  • Solar cells
  • Layered Battery applications as a cathode materials

Atomic depiction of MnO2 layers 

mno2-ii.png

 Lattice Parameters of MnO2

mno2-properties.png

 Raman Spectrum of MnO2 crystals

mno2-raman-spectrum.png

References

[1] Kitchaev et.al. Phys. Rev. B 93, 045132 (2016)

[2] Functionalized graphene aerogel with p-phenylenediamine and its composite with porous MnO2: investigating the effect of functionalizing agent on supercapacitive performance, Journal of Materials Science Materials in Electronics(2016)

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