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AI Overview

M-phase vanadium dioxide (

M-VO sub 2

) nanoparticles are monoclinic, thermochromic materials that undergo a reversible metal-to-insulator transition at $\sim$68°C. They are used for smart window coatings, thermal radiators, and antimicrobial applications due to their ability to modulate near-infrared (NIR) light and exhibit peroxidase-like activity.

Key Aspects of M-VO₂ Nanoparticles

Properties: Monoclinic crystal structure (
$VO sub 2$
(M)) that shifts to Rutile (R) phase upon heating, altering electrical and optical properties. They exhibit high, tunable solar-energy modulation (
$cap delta cap T sub sol end-sub$
).
Applications:
- Smart Windows: Thermochromic films switch from transparent to infrared-reflective when warm.
- Biomedical: Combined with photothermal therapy for combating drug-resistant bacteria due to anti-biofilm effects.
- Energy Management: Used in intelligent radiators and sensors.
Synthesis Methods: Often produced via hydrothermal methods or sol-gel combined with post-annealing to ensure crystalline structure.
Challenges & Enhancements: Prone to oxidation; commonly protected by coating with materials like
$SnO sub 2$
to form core-shell structures. Performance is enhanced by controlling particle size (e.g., 60–200 nm) and optimizing dispersity in polymers (PVP) for coatings.
Performance Metrics: Optimal particles achieve efficient NIR modulation while maintaining high visible light transmittance.

VO2(M)@SnO2 core–shell nanoparticles: Improved chemical ...
Oct 1, 2022 — Abstract. Vanadium dioxide (VO2) has been extensively studied as a thermochromic material for smart windows. However, the poor oxi...
ScienceDirect.com
Multistep synthesis of VO 2 (M) nanoparticles and their application to thermochromic hybrid films for IR modulation
Enhanced Thermochromic Performance of VO2 Nanoparticles by ...
4. Conclusions. As a strong electronic associated material, VO2(M) underwent a reversible phase transition between the monoclinic ...
PubMed Central (PMC) (.gov)

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Scholarly articles for M-VO2 nanoparticle
… -like array composed of isolated VO2 nanoparticles - ‎Liang - Cited by 16 Nanostructured VO2 (A) and VO2 (M) derived from VO2 … - ‎Barra - Cited by 18

Web results

A facile pathway to fabricate VO2(M) nanoparticles via sol ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by M Li2024Cited by 16 — We reported a facile, scalable sol-gel method combined with post-annealing to synthesize spherical VO 2 (M) nanoparticles by controlling the concentration of H ...Read more

Star-shaped VO2 (M) nanoparticle films with high ...

RSC Publishing

https://pubs.rsc.org › content › articlelanding

RSC Publishing

https://pubs.rsc.org › content › articlelanding

by L Zhong2015Cited by 43 — Star-shaped VO2 (M) nanoparticles were synthesized by hydrothermal reaction using only ammonium metavanadate and formic acid combined with subsequently mild ...

Production of VO2 M1 and M2 nanoparticles ...

National Institutes of Health (.gov)

https://pubmed.ncbi.nlm.nih.gov › ...

National Institutes of Health (.gov)

https://pubmed.ncbi.nlm.nih.gov › ...

by JM Booth2009Cited by 41 — A two-step, high-purity, high-yield synthesis of nanoparticulate vanadium dioxide, which has a greater than 10-fold potential cost reduction is reported.

Size-Selected VO 2 Nanoparticles Enabling Tunable ...

ACS Publications

https://pubs.acs.org › doi

ACS Publications

https://pubs.acs.org › doi

Apr 11, 2026 — The thermochromic behavior of those size-selected VO2(M) NPs was studied, showing the largest solar modulation efficiency for the smallest NPs.Read more

Multistep synthesis of VO2 (M) nanoparticles and their ... - ACerS

Wiley

https://ceramics.onlinelibrary.wiley.com › doi › abs › ijac

Wiley

https://ceramics.onlinelibrary.wiley.com › doi › abs › ijac

by S Kwon2023Cited by 8 — In this study, VO2 (M) powder was initially synthesized through a hydrothermal method and a subsequent post-annealing treatment. Additionally, a ...Read more

Continuous flow synthesis of VO2 nanoparticles or ...

Google Patents

https://patents.google.com › patent

Google Patents

https://patents.google.com › patent

The “M” designates “monoclinic”. As discussed supra, the core-shell construct prevents fluid communication between the VO 2 particles and ambient environment.Read more

M-phase Material Vanadium Dioxide Nanoparticles VO2 ...

SAT nano Technology Material Co., Ltd

https://www.satnanomaterial.com › m-phase-material-va...

SAT nano Technology Material Co., Ltd

https://www.satnanomaterial.com › m-phase-material-va...

Buy M phase Ultrafine VO2 nanoparticles powder with factory price, Purity:99.9%, size: 100-200nm, high quality and good price and fast delivery time, please ...Read more

Novel technique to produce porous thermochromic VO 2 ...

Nature

https://www.nature.com › scientific reports › articles

Nature

https://www.nature.com › scientific reports › articles

by J Prokeš2025Cited by 4 — In this study, we introduce and investigate an original linker- and solvent-free strategy enabling the production of highly porous VO 2 nanoparticle-based ...Read more

Are vanadium dioxide VO2 nanoparticles stable in MEK ...

ResearchGate

https://www.researchgate.net › post › Are_vanadium_di...

ResearchGate

https://www.researchgate.net › post › Are_vanadium_di...

Sep 25, 2013 — Are vanadium dioxide VO2 nanoparticles stable in MEK solution? I intend to disperse VO2 and PMMA powder into MEK solution. Since PMMA is soluble ...Read more

VO2 Vanadium Dioxide Nanoparticles

Hongwu International Group Ltd

https://www.hwnanomaterial.com › vo2-vanadium-diox...