Abstract
ZnO nanoparticles are recently attracting a lot of interest due to their novel optical, electrical, mechanical, and chemical properties, due to surface and quantum confinement effects. A stable dispersion of ZnO nanoparticles with a uniform particle diameter of 5 nm has been synthesized via chemical precipitation. The surface of the particles has been functionalized with dodecanethiol for enhanced compatibility and dispersion in polymethylmethacrylate (PMMA). Transparent luminescent nanocomposite powders were obtained using solution mixing and solvent casting of ZnO nanoparticles in PMMA. This powder was used to produce injection-molded luminescent nanocomposites plaques. The effect of the ZnO nanoparticles on the polymer structure has been investigated by employing thermomechanical and dielectric spectroscopy analyses.
Similar content being viewed by others
References
Sun D, Miyatake N, Sue HJ (2007) Transparent PMMA/ZnO nanocomposite films based on colloidal ZnO quantum dots. Nanotechnology 18:15606
Zeng H, Duan G, Li Y, Yang S, Xu X, Cai W (2010) Blue luminescence of ZnO nanoparticles based on non-equilibrium processes: defect origins and emission controls. Adv Funct Mater 20:561–572
Wang ZL (2004) Zinc oxide nanostructures: growth, properties and applications. J Phys 16:R829–R858
Djurisic AB, Leung YH (2006) Optical properties of ZnO nanostructures. Small 2:944–961
Law M, Greene LE, Johnson JC, Saykally R, Yang P (2005) Nanowire dye-sensitized solar cells. Nat Mater 4:455–459
Suh DI, Lee SY, Hyung JH, Kim TH, Lee SK (2008) Multiple ZnO nanowires field- effect transistors. J Phys Chem C 112:12761281
Wang XD, Song JH, Liu J, Wang ZL (2007) Direct-current nanogenerator driven by ultrasonic waves. Science 316:102–105
Barreca D, Ferrucci AP, Gasparotto A, Maccato C, Maragno C, Tondello E (2007) Temperature-controlled synthesis and photocatalytic performance of ZnO nanoplatelets. Chem Vap Depos 13:618–625
Demir MM, Memesa M, Castignolles P, Wegner G (2006) PMMA/Zinc oxide nanocomposites prepared by in situ bulk polymerization. Macromol Rapid Commun 27:763–770
Thakur VK, Thunga M, Madbouly SA, Kessler MK (2014) PMMA-g-SOY as a sustainable novel dielectric material. RSC Adv 4:6677–6684
Guglieri C, Chaboy J (2010) Characterization of the ZnO–ZnS interface in THIOL-capped ZnO nanoparticles exhibiting anomalous magnetic properties. J Phys Chem C 114:19629–19634
Li S, Toprak MS, Jo YS, Dobson J, Kim DK, Muhammed M (2007) Bulk synthesis of transparent and homogeneous polymeric hybrid materials with ZnO quantum dots and PMMA. Adv Mater 19:4347–4352
Brandrup J, Immergut EH, Grulke EA, Abe A, Bloch DR (1999) Polymer handbook, 4th edn. Wiley, New York
Ngai KL, Gopalakrishnan TR, Beiner M (2006) Relaxation in poly(alkyl methacrylate)s: change of intermolecular coupling with molecular structure, tacticity, molecular weight, copolymerization, crosslinking, and nanoconfinement. Polymer 47:7222–7230
Di Noto V, Giffin GA, Vezzù K, Piga M, Lavina S (2012) Broadband dielectric spectroscopy: a powerful tool for the determination of charge transfer mechanisms in ion conductors. In: Knauth P, Di Vona ML (Eds) Solid state proton conductors: properties and applications in fuel cells. Wiley, Weinheim, pp. 107–180
Gross S, Camozzo D, Di Noto V, Armelao L, Tondello E (2007) PMMA: a key macromolecular component for dielectric low-κ hybrid inorganic–organic polymer films. Eur Polym J 43:673–696
Schmidt-Rohr K, Kulik AS, Beckham HW, Ohlemacher A, Pawelzik U, Boeffel C, Spiess HW (1994) Molecular nature of the beta relaxation in poly(methyl methacrylate) investigated by multidimensional NMR. Macromolecules 27:4733–4745
Wind M, Graf R, Renker S, Spiess HW (2005) Structural reasons for restricted backbone motion in poly(n-alkyl methacrylates): degree of polymerization, tacticity and side-chain length. Macromol Chem Phys 206:142–156
Barsoukov E, Macdonald JR (2005) impedance spectroscopy theory, experiment, and applications, 2nd edn. Wiley, New York
Di Noto V, Barreca D, Furlan C, Armelao L (2000) Zeolitic inorganic-organic polymer electrolytes: a material based on poly(ethylene glycol) 600, SnCl4 and K4Fe(CN)6. Polym Adv Technol 11:108–121
Fuchs K, Friedrich Chr, Weese J (1996) Viscoelastic properties of narrow-distribution poly(methyl methacrylates). Macromolecules 29:5893–5901
Acknowledgements
AM wishes to thank EU for funding through the 7FP EU Project—ORION #222517.
Author information
Authors and Affiliations
Corresponding author
Electronic supplementary material
Below is the link to the electronic supplementary material.
Rights and permissions
About this article
Cite this article
Dai Prè, M., Martucci, A., Martin, D.J. et al. Structural features, properties, and relaxations of PMMA-ZnO nanocomposite. J Mater Sci 50, 2218–2228 (2015). https://doi.org/10.1007/s10853-014-8784-0
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10853-014-8784-0