Polymers Laboratory
Materials
Science &
Engineering
University of Ioannina
Greece
Full Professor, Department of Materials Science and Engineering, University of Ioannina, Director of the Polymeric Materials Laboratory.
Bachelor Diploma, Dept. of Chemistry, National and Kapodistrian University of Athens.
PhD Thesis: Dept. of Chemistry, National and Kapodistrian University of Athens
Supervisor: Prof. N. Hadjichristidis
PhD Thesis “Macromolecular Architecture: Model Copolymers of Styrene(Α) / Isoprene(Β) of the type (ΑΒ) n=1, 2, 3 Α and (ΑΒ)3Α(ΒΑ)3. Synthesis - Characterization - Morphology”.
Postdoctorate Studies: Dept. of Materials Science and Engineering, MIT, Repsol Petroleum Company, Madrid, Spain in collaboration with CSIC.
Publications: Available from the link "Publications" of these webpages or see them here.
Research Interests: Synthesis of novel polymers via anionic polymerization (macromolecular architecture) with high vacuum techniques. Use of monomers: styrene, isoprene, butadiene, vinylpyridine and (meth)acrylic esters, as well as copolymers with two and three segments, star copolymers with 3, 4, 16 arms and bridged copolymers of the H and Super-H type. Synthesis of copolymers containing silicon, copolymers with new dienes such as 1,3 cyclohexadiene and 2-methyl-1,3-pentadiene. Synthesis of copolymers with styrene - isoprene, isoprene - butadiene, styrene - dimethylsiloxane and other combinations exhibiting high molecular weights for the preparation of photonic materials. Synthesis of dendritic homo and copolymers with dienic arms for applications as viscosity modifiers and studying of the microphase separation. Synthesis of biopolymers and biodegradable polymers. Synthesis of linear, non-linear and cyclic oligopeptides and polypeptides for applications of hosting anticancer drugs.
• Characterization and properties of polymers in dilutesolutions with:
- Size Exclusion Chromatography (SEC ή GPC)
- Membrane Osmometry (MO)
- Vapor pressure Osmometry (VPO)
- Low Angle Light Scattering (LALLS)
- Differential Reflectance (DR)
- Viscometry (V)
- Nuclear Magnetic Resonance of Proton(1 H - NMR),Carbon (13 C - NMR ) and Silicon(29 Si - NMR)
- UV Spectroscopy
- Definition of the factor of molecular diffusion of polymers and the shape of the particles with dynamic light scattering (DLS).
• Morphological characterization of copolymers with:
- Transmission Electron Microscopy (TEM), Scanning (SEM) ad Atomic Force (AFM)
- Small Angle X-Ray Scattering (SAXS)
- Wide Angle X-Ray Scattering (WAXS)
- Optical Reflectance (OR)
- Differential Scanning Calorimetry (DSC)
- Birefregence technique for identifying Cubic Structures.
Patent
“Periodic Porous and Relief Nanostructured Articles”,
Vanessa Z. Chan, Edwin L. Thomas, Victor L. Lee, Robert D. Miller, Apostolos Avgeropoulos and Nikos Hadjichristidis,
MIT Case #8038, US Provisional Patent, Int. Appl. No: PCT/US99/15068, Int. Publication No: WO 00/02090.
Publications
1. “Synthesis of Model Super-H Shaped Block Copolymers”
Iatrou H., Avgeropoulos A. and Hadjichristidis N.
Macromolecules, 1994, 27, 6232.
2. “Synthesis of Model 16-Miktoarm (Vergina) Star Copolymers of the A8B8 Type”
Avgeropoulos A., Poulos Y., Hadjichristidis N. and Roovers J.
Macromolecules, 1996, 29, 6076.
3. “Model Nonlinear Block Copolymers: Synthesis, Characterization, Morphology”
Hadjichristidis N., Tselikas Y., Iatrou H., Efstratiadis V. and Avgeropoylos A.
J. of Macromol. Sci.-Pure Appl. Chem., 1996, A 33(10), 1447.
4. “Synthesis of Model Nonlinear Block Copolymers of A(BA)2, A(BA)3 and (AB)3A(BA)3 type”
Avgeropoulos A. and Hadjichristidis N.
J. Polym. Sci., Polym. Chem. Ed., 1997, 35, 813.
5. “Morphology of Vergina Star 16-Arm Block Copolymers and Scaling Behavior of Interfacial Area with Graft Point Functionality”
Beyer F. L., Gido S. P., Poulos Y., Avgeropoulos A. and Hadjichristidis N.
Macromolecules, 1997, 30, 2373.
6. “Junction Point Fluctuations in Microphase Separated Polystyrene-Polyisoprene-Polystyrene Triblock Copolymer Melts. A Dielectric and Rheological Investigation”
Alig I., Floudas G., Avgeropoulos A. and Hadjichristidis N.
Macromolecules, 1997, 30, 5004.
7. “Tricontinuous Double Gyroid Cubic Phase in Triblock Copolymers of the ABA Type”
Avgeropoulos A., Dair B. J., Hadjichristidis N. and Thomas E. L.
Macromolecules, 1997, 30, 5634.
8. “3D Mesoscopic Order in Block Copolymers”
Thomas E. L., Radzilowski L. H. and Avgeropoulos A.
Acta Microscopica, 1997, 6(A), 52.
9. “Model Block Copolymers with Compex Architecture”
Hadjichristidis N., Poulos Y. and Avgeropoulos A.
Macromol. Symp., 1998, 132, 207.
10. “Synthesis and Morphological Behavior of Silicon Containing Triblock Copolymers for Nanostructure Applications”
Avgeropoulos A., Chan V. Z-H., Lee V. Y., Ngo D., Miller R. D., Hadjichristidis N. and Thomas E. L.
Chem. Mater., 1998, 10(8), 2109.
11. “Dynamic Probe of the Interface in Lamellar Forming Non-linear Block Copolymers of the (BA)3B and (BA)3B(AB)3 type. A Dielectric Spectroscopy Study”
Floudas G., Alig I., Avgeropoulos A. and Hadjichristidis N.
Journal of Non-Crystalline Solids, 1998, 235-237, 485.
12. “Microphase Separation in Super-H-Shaped Block Copolymer Colloids”
Floudas G., Hadjichristidis N., Iatrou H., Avgeropoulos A. and Pakula T.
Macromolecules, 1998, 31, 6943.
13. “Hydrodynamic Properties of A8B8 Miktoarm (Vergina) Stars”
Pispas S., Avgeropoulos A., Hadjichristidis N. and Roovers J.
J. Polym. Sci., Part B: Polymer Physics, 1999, 37, 1329.
14. “Mechanical Properties and Deformation Behavior of the Double Gyroid Phase in Unoriented Thermoplastic Elastomers”
Dair B. J., Honeker C. C., Alward D. B., Avgeropoulos A., Hadjichristidis N., Fetters L. J., Capel M. and Thomas E. L.
Macromolecules, 1999, 32, 8145.
15. “Ordered Bicontinuous Nanoporous and Nanorelief Ceramic Films from Self Assembling Polymer Precursors”
Chan V. Z-H, Hoffman J., Lee V. Y., Iatrou H., Avgeropoulos A., Hadjichristidis N., Miller R. D. and Thomas E. L.
Science, 1999, 286, 1716.
16. “Well-Defined, Model Long Chain Branched Polyethylene. 1.Synthesis and Characterization”
Hadjichristidis N., Xenidou M., Iatrou H., Pitsikalis M., Poulos Y., Avgeropoulos A., Sioula S., Paraskeva S., Velis G., Lohse D. J., Schulz D. N., Fetters L. J., Wright P. J., Mendelson R. A., Garcia-Franco C. A., Sun T. and Ruff C. J.
Macromolecules, 2000, 33, 2424.
17. “Oriented Double Gyroid Films via Roll Casting”
Dair B. J., Avgeropoulos A., Hadjichristidis N., Capel M. and Thomas E. L.
Polymer, 2000, 41, 6231.
18. “Mechanical Properties of the Double Gyroid Phase in Oriented Thermoplastic Elastomers”
Dair B. J., Avgeropoulos A., Hadjichristidis N. and Thomas E. L.
Journal of Materials Science, 2000, 35, 5207.
19. “Low temperature synthesis of α-SiO2 thin films by UV-assisted ozonolysis of a polymer precursor”
Brinkmann M., Chan V. Z-H., Thomas E. L., Lee V. Y., Miller R. D., Hadjichristidis N. and Avgeropoulos A.
Chem. Mater., 2001, 13(3), 967.
20. “Synthesis and Microphase Separation of Linear Triblock Terpolymersοf Polystyrene, High 1,4-Polybutadiene and High 3,4-Polyisoprene”
Avgeropoulos A., Paraskeva S., Hadjichristidis N. and Thomas E. L.
Macromolecules, 2002,35, 4030.
21. “Swelling Behavior of Ordered Miktoarm Star Block Copolymer-Homopolymer Blends”
Avgeropoulos A., Dair B. J., Thomas E. L., and Hadjichristidis N.
Polymer, 2002,43, 3257.
22. “Model Linear Block Co-, Ter- and Quaterpolymers of 1,3-Cyclohexadiene with Styrene, Isoprene and Butadiene”
Tsoukatos T., Avgeropoulos A., Hadjichristidis N., Hong K. and Mays J. W.
Macromolecules, 2002, 35, 7928.
23. “Synthesis and Morphological Behavior of Model Linear, 3- Miktoarm and 4-Miktoarm Star Block Copolymers of 2-Methyl-1,3-Pentadiene (2MP) and Styrene (S)”
Mavroudis A., Avgeropoulos A., Hadjichristidis N., Thomas E. L. and Lohse D. J.
Chem. Mater., 2003, 15, 1976.
24. “Characterization of a 4-miktoarm star copolymer of the (PS-b-PI)3PS type by temperature gradient interaction chromatography”
Cho D., Park S., Chang T., Avgeropoulos A. and Hadjichristidis N.
European Polymer Journal, 2003, 39, 2155.
25. “Linear and Non-linear Multiblock Terpolymers. Synthesis, Self-Assembly in Selective Solvents and in Bulk”
Hadjichristidis N., Iatrou H., Pitsikalis M., Pispas S. and Avgeropoulos A.
Progress in Polymer Science, 2005, 30, 725.
26. “Synthesis and Morphological Behavior of Model 6-Miktoarm Star Copolymers, PS(P2MP)5, of Styrene (S) and 2-Methyl-1,3-Pentadiene (P2MP)”
Mavroudis A., Avgeropoulos A., Hadjichristidis N., Thomas E. L. and Lohse D. J.
Chem. Mater., 2006, 18, 2164.
27. “Nanocomposites of Polystyrene-b-Polyisoprene Copolymer with LayeredSilicates and Carbon Nanotubes”
K. Litina, A. Miriouni, D. Gournis*, M. A. Karakassides, N. Georgiou, E. Klontzas, E. Ntoukas and A. Avgeropoulos*
Europ. Polym. Journal, 2006, 42, 2098.
28. “Effects of the chain architecture on the miscibility of symmetric Linear/Linear and Star/Star polymer blends”
P. E. Theodorakis, A. Avgeropoulos, J. J. Freire, M. Kosmas and C. Vlahos
Macromolecules, 2006, 39, 4235.
29. “Conformational Properties of Dendritic Block Copolymers of 1st Generation”
M. Kosmas, C. Vlahos and A. Avgeropoulos
Journal of Chemical Physics, 2006, 125, 094908.
30. “Synthesis, Molecular Characterization and Theoretical Study of First Generation Dendritic Homopolymers of Butadiene and Isoprene with Different Microstructures” S. Rangou, P. E. Theodorakis, L. N. Gergidis, A. Avgeropoulos*, P. Efthymiopoulos, D. Smyrnaios, M. Kosmas and C. Vlahos*.
Polymer, 2007, 48, 652.
31. “Effective interaction parameter of Linear/Star Polymer Blends and comparison with
that of Linear/Linear and Star/Star blends”
P. E. Theodorakis, A. Avgeropoulos, J. J. Freire, M. Kosmas and C. Vlahos
Journal of Chemical Physics, 2007, 126, 174904.
32. “Monte Carlo Simulation of Star/Linear and Star/Star Blends Chemically Identical Blends With Chemical Identical Monomers”
P. E. Theodorakis, A. Avgeropoulos, J. J. Freire, M. Kosmas and C. Vlahos
Journal Of Physics-Condensed Matter, 2007, 19, 466111.
33. “Synthesis, Molecular and Morphological Characterization of 2nd Generation Dendritic Copolymers of Butadiene and Isoprene with Different Microstructures”
S. Rangou, A. Avgeropoulos*, V. Krikorian and E. L. Thomas
Macromolecular Symposia, 2008, 267, 16.
34. “Synthesis and Characterization of PbI2 Semiconductor Quantum Wires Within Layered Solids”
Koutselas I., Dimos K., Bourlinos A., Gournis D., Avgeropoulos A., Agathopoulos S. And Karakassides M. A.
Journal of Optoelectronics and Adv. Mater., 2008, 10, 58.
35. “Synthesis and Molecular Characterization of Polythiophene Block Co-, Ter-Polymers and Four-Arm Star Homopolymer”
Grana E., Katsigiannopoulos D., Avgeropoulos A.* and Goulas V.
International Journal of Polymer Analysis and Characterization, 2008, 13, 108.
36.“Synthesis and Molecular and Morphological Characterization of Poly(p-Trimethylsilyl Styrene) and Diblock Copolymers with Poly(1,3-Cyclohexadiene)”
Mischronis K., Rangou S. and Avgeropoulos A.*
International Journal of Polymer Analysis and Characterization, 2008, 13, 136.
37.“Phase Behavior of Binary Blends of High Molecular Weight Diblock Copolymers With a Low Molecular Weight Triblock”
Mickiewicz R. A., Ntoukas E., Avgeropoulos A. and Thomas E. L.
Macromolecules, 2008, 41, 5785.
38. “Synthesis of Dendritic Terpolymers Consisting of Polystyrene, Polybutadiene and Polyisoprene with Different Isomerisms”
Rangou S. and Avgeropoulos A.*
J. Polym. Sci., Polym. Chem. Ed., 2009, 47, 1567.
39. “Surface-Functionalized Organic Nanoparticles from Diblock Copolymer Micelles”
Sakellariou G., Avgeropoulos A., Hadjichristidis, N., Mays J. W., and Baskaran D.
Polymer, 2009, 50, 6202.
40. “Effect of Chain Architecture on the Compatibility of Block Copolymer/Nanoparticle Blends”
Listak J., Hakem I. F., Ryu H. –J., Rangou S., Politakos N., Misichronis K., Avgeropoulos A.* and Bockstaller M. R.*
Macromolecules, 2009, 42, 5766.
41.“Polymerization of O-benzyl-Ltyrosine NCA Initiated with 1,6-Diaminohexane: Well-defined Poly(amino acid)s via the Primary Amine Mechanism”
Pickel D. L., Politakos N., Avgeropoulos A. and Messman J. M.
Macromolecules, 2009, 42, 7781.
42.“Strongly Segregated Double Gyroid Microdomain Morphology in Diblock Copolymers of Polystyrene and Poly(dimethylsiloxane)”
Politakos N., Ntoukas E., Avgeropoulos A.*, Krikorian V., Bate B. D., Thomas E. L.* and Hill R. M.
Journal of Polymer Science, Part B: Polymer Physics, 2009, 47, 2419.
43. “Nanopatterning from Silicon-containing Block Copolymers”
Chao C.-C., Wang T.-C., Ho R.-M.*, Georgopanos P., Avgeropoulos A.* and Thomas E. L.
ACS Nano, 2010, 4, 2088
44. Synthesis and Chemical Modification of Magnetic Nanoparticles covalently bound to polystyrene SiCl2-poly(2-vinylpyridine)”
Serrano-Ruiz D., Rangou S., Avgeropoulos A., Zafeiropoulos N. E., López-Cabarcos E. and J. Rubio-Retama
Journal of Polymer Science Part B: Polymer Physics, 2010, 48, 1668.
45. “Silicon Oxy Carbide Nanorings From Polystyrene-b-Polydimethylsiloxane Diblock Copolymer Thin Films”
Chao C.-C., Ho R.-M.*, Georgopanos P., Avgeropoulos A.* and Thomas E. L.
Soft Matter, 2010, 6, 3582.
46. “Influence of Anion Exchange in Self-Assembling of Polymeric Ioanic Liquid Block Copolymers”
Carrasco P.M., Garcia I., Luiz de Luzuriaga A., Constantinou M., Georgopanos P., Rangou S., Avgeropoulos A., Zafeiropoulos N. E., Cabanero G., Mecerreyes D.
Macromolecules, 2011, 44, 4936.
47. “Synthesis, Molecular and Morphological Characterization of Initial and Modified Diblock Copolymers with Organic Acid Chloride Derivatives”
N. Politakos, C. J. Weinman, M. Paik, H. S. Subramanian, C. K. Ober and A. Avgeropoulos.
Journal of Polymer Science, Part A: Polymer Chemistry (accepted, early view: 7/22/2011)
48. “Self-Assembled Thermoset Materials Based on Polystyrene-b-Poly(2-Vinylpyridine) and Epoxy Resin”
P. M. Carrasco, A. Ruiz de Luzuriaga, M. Kirsten, M. Constantinou, P. Georgopanos, S. Rangou, A. Avgeropoulos, N. E. Zafeiropoulos, M. Stamm, H. J. Grande, G. Cabañero and I. Garcia.
Submitted in Polymers for Advanced Technologies
49. “Nanohybrids based on polymeric ionic liquid prepared from functionalized MWCNTs by modification of anionically synthesized poly(4-vinylpyridine)”
D. Katsigiannopoulos, E. Grana, A. Avgeropoulos, P. M. Carrasco, I. Grarcia and I. Odriozola.
Submitted in Langmuir
50. “A Comparative Physicochemical Study of Humic Acids from Soils and Lignites: NICA-Donnan Modeling”
Drosos M., Jerzykiewicz M., Avgeropoulos A. and Deligiannakis Y.
Under preparation – Submission to Journal of Colloid and Interface Science
51.“Cubic Network Structure in an ABC Miktoarm Terpolymer with a Styrenic and Two Dienic Components”
Avgeropoulos A.*, Krikorian V., Thomas E. L., and Hadjichristidis N.
Under preparation – Submission to Polymer
52. “Synthesis, Molecular and Morphological Characterization of Linear Triblock Terpolymers With at Least One Block Being Poly(cyclohexadiene)”
Misichronis K., Rangou S., Avgeropoulos A.*, Mays J. W., and Dunlap J. R.
Under preparation
53. “Nanocomposites of Polystyrene-b-Polyisoprene-b-Polystyrene Triblock Copolymer With Layered Silicates and Carbon Nanotubes”
Enotiadis A., Rangou S., Georgiou N., Gournis D.*, Avgeropoulos A.* and Triantafyllidis K. *
Under preparation – Submission to Macromolecules
Publications in Referred Conference Proceedings
1. “Microphase Morphology of Lamellar ABC Triblock Copolymer Containing Two Diene Blocks”
Avgeropoulos A., Sioula S., Hadjichristidis N. and Thomas E. L.
Bull. Amer. Phys. Soc., 1998, 43 (1), 545.
2. “Surface Morphology and Orientation Development of Thin Polyolefin Crystallizable Block Copolymer Films”
Park C., Avgeropoulos A., Fetters L. J. and Thomas E. L.
Bull. Amer. Phys. Soc., 1998, 43 (1), 547.
3. “Use of Well-Defined Models of Polyethylene to Determine the Effects of Long-Chain Branching on Rheology”
Hadjichristidis N., Xenidou M., Iatrou H., Pitsikalis M., Poulos Y., Avgeropoulos A., Sioula S., Paraskeva S., Velis G., Lohse D., Schultz D., Fetters L., Wright P., Mendelson R., Garcia-Franco C., Sun T. and Ruff C.
Polym. Mater. Sci. Eng., 2000, 82, 123.
4. “New Synthetic Route for Nanoporous Ceramic Films Based on Silicon Containing Block Copolymers”
Brinkmann M., Chan V. Z-H., Thomas E. L., Avgeropoulos A., Hadjichristidis N., Lee V. and Miller R. D.
Bull. Amer. Phys. Soc., 2000, 45 (1), 567.
5. “Defects in a Noncentrosymmetric Lamellar Block Copolymer Blend”
Chen S., Gido S. P., Tsoukatos T., Avgeropoulos A., Hadjichristidis N., Hong K. and Mays J. W.
Polym. Preprints, 2005, 46 (2), 542.
6. “Synthesis, Molecular and Morphological Characterization of 2nd Generation Dendritic Copolymers of Butadiene and Isoprene With Different Microstructures”
Rangou S., Avgeropoulos A.*, Krikorian V. and Thomas E. L
Polym. Preprints, 2007, 48 (2), 447.
7. “Synthesis of Silylated Styrenic Monomers And Copolymerization With 1,3-Cyclohexadiene. Nanoporous and Nanorelief Composite Materials”
Misichronis K., Rangou S. and Avgeropoulos A.*
Polym. Preprints, 2007, 48 (2), 126.
8. “Effect of Chain Architecture on Particle Miscibility in Block Copolymer-Nanoparticle Blends”
Listak J., Ryu H. –J., Rangou S., Politakos N., Misichronis K., Avgeropoulos A.* and Bockstaller M. R.*
Polym. Mater. Sci. Eng., 2008, 98, 681.
Participation in Conferences |
Presentations |
Poster Presentations |
Oral Presentations |
40 |
80 |
65 |
15 |