Preparation and Photoluminescence of Transparent Poly(methyl methacrylate)-Based Nanocomposite Films with Ultra-High-Loading Pendant ZnS Quantum Dots

Transparent nanocomposite films containing quantum dots are popular because of their extensive applications. However, nanoparticles tend to aggregate, resulting in phase separation of the nanoparticles in the polymer matrix. Herein, we present a bulk thermo-curing copolymerization method to fabricate poly(methyl methacrylate)-based nanocomposite films with ultra-high-loading ZnS quantum dots (ZnS/PMMA), utilizing polymerizable group-capped ZnS and monomer of methyl methacrylate (MMA). We found that the nanocomposite film is highly transparent, although the transmittance decreases with the ZnS content, especially at the wavelength between 300 nm and 400 nm. The results from X-ray diffraction (XRD), transmission electron microscopy (TEM), and dynamic mechanical thermal analysis (DMTA) show that the ZnS quantum dots maintain their original crystal structure, and are uniformly dispersed in the nanocomposite films, even with a very high ZnS content (41 wt %, determined by thermogravimetric analysis). The thermogravimetric analysis shows that the nanocomposite films possess a better thermal stability than that of pure PMMA film. The photoluminescence measurements show that ZnS/PMMA nanocomposite films have good optical properties. The fluorescence intensity increases with the increment of free ZnS content to 30 wt %, and then decreases due to self-reabsorption at a higher ZnS content. The transparent ZnS/PMMA nanocomposite films have a potential application as photoluminescence material.

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Preparation and Characterization of Zinc Oxide (Zno)/Polymethyl Methacrylate (PMMA) Nanocomposites

International Journal of Current Science Research and Review ◽

10.47191/ijcsrr/v4-i4-01 ◽

2021 ◽

Vol 04 (04) ◽

Author(s):

Jayashree Bagawade ◽

Keyword(s):

Zinc Oxide ◽

Methyl Methacrylate ◽

Zinc Oxide Nanoparticles ◽

Nanocomposite Films ◽

Oxide Nanoparticles ◽

X Ray Diffraction ◽

X Ray ◽

Poly Methyl Methacrylate ◽

Absorption Measurements

A series of novel zinc oxide / Poly (methyl methacrylate) nanocomposite films with different ZnO contents were prepared through inclusion of pre-synthesized zinc oxide nanoparticles. The physical composition and morphology of the as-prepared nanocomposites were studied by XRD and TEM. The TEM analyses revealed that the zinc oxide nanoparticles have a particle size of ~3–5 nm. X-ray diffraction proved the presence of the amorphous PMMA in the nanocomposites. The intermolecular interactions within the polymer nanocomposites were explored by FTIR and XRD. FTIR spectra confirmed the dispersion of the zinc oxide nanoparticles in the Poly (methyl methacrylate) i.e. PMMA matrices. The UV-Vis absorption measurements of the ZnO/PMMA nanocomposites proved their potential optical properties.

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Thermal and Mechanical Properties of Poly(methyl methacrylate) Nanocomposites Containing Polyhedral Oligomeric Silsesquioxane

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.557-559.304 ◽

2012 ◽

Vol 557-559 ◽

pp. 304-308 ◽

Cited By ~ 1

Author(s):

Chun Bao Zhao ◽

Xin Wang ◽

Xu Jie Yang ◽

Wei Zhao

Keyword(s):

Mechanical Properties ◽

Methyl Methacrylate ◽

Polyhedral Oligomeric Silsesquioxane ◽

Bulk Polymerization ◽

Thermal And Mechanical Properties ◽

X Ray Diffraction ◽

Poly Methyl Methacrylate ◽

Pmma Matrix ◽

Transmission Electron ◽

Oligomeric Silsesquioxane

A series of poly(methyl methacrylate) (PMMA) composites containing polyhedral oligomeric silsesquioxane (POSS) were produced by bulk polymerization. The morphology, thermal and mechanical properties of the composites were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analyses (TGA) and dynamic mechanical analyses (DMA). Results show that the octa(3-chloropropyl)-POSS (ocp-POSS) and trisilanolphenyl-POSS (triol-POSS) have high compatibility with PMMA and can be uniformly dispersed into PMMA matrix. The separate incorporation of these two types of POSS contributes to the improvement of thermal stability of PMMA composites. When the content of POSS was 7.5 wt%, the thermal decomposition temperatures (5% mass loss) of PMMA composites with ocp-POSS and triol-POSS were increased by about 104 °C and 130 °C, respectively. The increase of triol-POSS content in the PMMA matrix gave slight enhanced storage modulus before glass transition.

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Enhancing electrical and tribological properties of poly(methyl methacrylate) matrix nanocomposite films by co-incorporation of multiwalled carbon nanotubes and silicon dioxide microparticles

Journal of Polymer Engineering ◽

10.1515/polyeng-2014-0346 ◽

2016 ◽

Vol 36 (1) ◽

pp. 23-30 ◽

Cited By ~ 4

Author(s):

Nay Win Khun ◽

Poh Yueh Loong ◽

Erjia Liu ◽

Lin Li

Keyword(s):

Carbon Nanotubes ◽

Silicon Dioxide ◽

Methyl Methacrylate ◽

Multiwalled Carbon Nanotubes ◽

Tribological Properties ◽

Electrical Resistance ◽

Nanocomposite Films ◽

Pmma Film ◽

Multiwalled Carbon ◽

Poly Methyl Methacrylate

Abstract Multiwalled carbon nanotubes (MWCNTs) and silicon dioxide microparticles (SiO2-MPs) were co-incorporated in poly(methyl methacrylate) (PMMA) matrices to form PMMA/MWCNT-SiO2-MP nanocomposite films. The SiO2-MP content in the nanocomposite films was varied at a fixed MWCNT content of 4 wt% to investigate the effect of SiO2-MP content on the electrical and tribological properties of the PMMA/MWCNT-SiO2-MP nanocomposite films. The co-incorporation of MWCNTs and SiO2-MPs dramatically lowered the electrical resistance of the nanocomposite films compared to that of the PMMA film, while higher fractions of SiO2-MPs more effectively promoted the decrease in the electrical resistance of the nanocomposite films by improving the conductive networks formed by the MWCNTs in the PMMA matrices. Although the friction of the nanocomposite films significantly increased with increased SiO2-MP content due to the promoted mechanical interlocking between the surface asperities of two mating surfaces, the wear of the nanocomposite films was much less severe than that of the PMMA film during ball-on-disc tribological tests.

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Synthesis and Characterization of Metal Sulfides Nanoparticles/Poly(methyl methacrylate) Nanocomposites

International Journal of Polymer Science ◽

10.1155/2014/752394 ◽

2014 ◽

Vol 2014 ◽

pp. 1-8 ◽

Cited By ~ 8

Author(s):

Peter A. Ajibade ◽

Johannes Z. Mbese

Keyword(s):

Electron Microscope ◽

Methyl Methacrylate ◽

Metal Sulfides ◽

Particle Sizes ◽

X Ray Diffraction ◽

Poly Methyl Methacrylate ◽

Transmission Electron ◽

Crystallite Sizes ◽

20 Nm

Metal sulfides nanoparticles in poly(methyl methacrylate) matrices were prepared and characterized by infrared spectroscopy, thermogravimetric analysis, powder X-ray diffraction, scanning electron microscope (SEM), and transmission electron microscope (TEM). The FTIR confirms the dispersion of the nanoparticles in PMMA matrices with the C=O and C–O–C bonds of the PMMA shifting slightly which may be attributed to the interactions between the nanoparticles and PMMA. The ZnS nanoparticles in PMMA have average crystallite sizes of 4–7 nm while the CdS has particle size of 10 nm and HgS has crystallite sizes of 8–20 nm. The increasing order of particle sizes as calculated from the XRD is ZnS/PMMA<HgS/PMMA<CdS/PMMA and ranges from 1.02 to 1.35 nm. These calculated particle sizes are smaller than the values obtained from TEM.

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Monochelic Versus Telechelic Poly(Methyl Methacrylate) as a Matrix for Photoluminescent Nanocomposites with Quantum Dots

Molecules ◽

10.3390/molecules26144131 ◽

2021 ◽

Vol 26 (14) ◽

pp. 4131

Author(s):

Anastasija D. Jablanovic ◽

Marianna Z. Bekanova ◽

Ekaterina A. Litmanovich ◽

Oleg N. Karpov ◽

Miron A. Bugakov ◽

...

Keyword(s):

Electron Microscopy ◽

Quantum Dots ◽

Methyl Methacrylate ◽

Ligand Exchange ◽

Poly Methyl Methacrylate ◽

Molecular Weights ◽

Transmission Electron ◽

Similarities And Differences ◽

Optical Applications ◽

Formation Of Complexes

Nanocomposites based on CdSe or CdSe/ZnS quantum dots (QDs) and poly(methyl methacrylate) (PMMA) of different molecular weights and functionality were synthesized by ligand exchange of oleic acid with RAFT-based PMMA. The successful ligand exchange was confirmed by dynamic light scattering in combination with the approach “macromolecules—ghosts” and transmission electron microscopy. Comparative study of mono- and telechelics of PMMA revealed the similarities and differences in their behavior in formation of complexes with QDs and the optical properties of the corresponding nanocomposites. Telechelics exhibited higher efficiency in the complex formation and seemed to be promising candidates for the construction of devices based on QDs and polymer matrix for optical applications.

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Highly Transparent and Toughened Poly(methyl methacrylate) Nanocomposite Films Containing Networks of Cellulose Nanofibrils

ACS Applied Materials & Interfaces ◽

10.1021/acsami.5b08317 ◽

2015 ◽

Vol 7 (45) ◽

pp. 25464-25472 ◽

Cited By ~ 36

Author(s):

Hong Dong ◽

Yelena R. Sliozberg ◽

James F. Snyder ◽

Joshua Steele ◽

Tanya L. Chantawansri ◽

...

Keyword(s):

Methyl Methacrylate ◽

Cellulose Nanofibrils ◽

Nanocomposite Films ◽

Poly Methyl Methacrylate

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Spin-Assisted Multilayers of Poly(methyl methacrylate) and Zinc Oxide Quantum Dots for Ultraviolet-Blocking Applications

ACS Applied Materials & Interfaces ◽

10.1021/am300243u ◽

2012 ◽

Vol 4 (6) ◽

pp. 2920-2925 ◽

Cited By ~ 33

Author(s):

Mohamed Eita ◽

Lars Wågberg ◽

Mamoun Muhammed

Keyword(s):

Quantum Dots ◽

Zinc Oxide ◽

Methyl Methacrylate ◽

Poly Methyl Methacrylate

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Bovine Serum Albumin Conjugation in Superparamagnetic/Poly(methyl methacrylate) Nanoparticles as an Alternative for Magnetic Enzyme-Linked Immunosorbent Assays

Journal of Nanoscience and Nanotechnology ◽

10.1166/jnn.2021.19458 ◽

2021 ◽

Vol 21 (11) ◽

pp. 5493-5498

Author(s):

Paulo Emilio Feuser ◽

Camila Guindani ◽

Jonathann Correa Possato ◽

Jaqueline Pereira Guessi ◽

Arthur Poester Cordeiro ◽

...

Keyword(s):

Bovine Serum Albumin ◽

Serum Albumin ◽

Methyl Methacrylate ◽

Bovine Serum ◽

Protein Quantification ◽

Elisa Assay ◽

Poly Methyl Methacrylate ◽

Transmission Electron ◽

Superparamagnetic Properties ◽

Significant Attention

Nanomaterials, such as magnetic nanoparticles have attracted significant attention of medical area due to their capacity to improve the performance of immunoassays. Therefore the aim of this work was to study the bovine serum albumin (BSA) conjugation in superparamagnetic (MNPs)/poly(methyl methacrylate) (PMMA) nanoparticles with further characterization and application in enzyme-linked immunosorbent (ELISA) assay. The successful conjugation of BSA in MNPs- PMMA nanoparticles was confirmed by several techniques, including light scattering, zeta potential, transmission electron microscopy (TEM) and Lowry protein quantification assay. The superparamagnetic properties were confirmed by vibrating sample magnetometer. BSA conjugated MNPs-PMMA nanoparticles presented higher interactions with antibody than free BSA. The BSA + MNPs-PMMA nanoparticles (magnetic ELISA assay) reduced the time and increased the sensibility of traditional ELISA assay, reinforcing the idea that the use these nanomaterials are an excellent alternative for the immunoassays field.

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