Publications
Nanomaterials and nanocomposites
Greenfeld, I., Effect of Polymer Matrix Structure on Mechanical Properties of Electrospun Nanofibers, PhD research proposal, Technion – Israel Institute of Technology, Haifa, 2009.
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Greenfeld, I.; Arinstein, A.; Fezzaa, K.; Rafailovich, M. H.; Zussman, E., Polymer dynamics in semidilute solution during electrospinning: A simple model and experimental observations, Physical Review E 2011, 84, (4), 041806.
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Greenfeld, I.; Fezzaa, K.; Rafailovich, M. H.; Zussman, E., Fast X-ray Phase-Contrast Imaging of Electrospinning Polymer Jets: Measurements of Radius, Velocity, and Concentration, Macromolecules 2012, 45, (8), 3616-3626.
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Camposeo, A.,* I. Greenfeld,* F. Tantussi, S. Pagliara, M. Moffa, F. Fuso, M. Allegrini, E. Zussman, and D. Pisignano, Local mechanical properties of electrospun fibers correlate to their internal nanostructure, Nano Letters, 2013. 13(11): 056−5062.3. *equal contributors. Supporting info.
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Camposeo A,* Greenfeld I,* Tantussi F, Moffa M, Fuso F, Allegrini M, et al, Conformational evolution of elongated polymer solutions tailors the polarization of light-emission from organic nanofibers, Macromolecules 2014, 47(14): 4704−4710. *equal contributors. Supporting info.
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Greenfeld, I; Zussman, E, Polymer entanglement loss in extensional flow: evidence from electrospun short nanofibers, Journal of Polymer Science Part B-Polymer Physics, 2013.51, (18), 1377–1391.
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I. Greenfeld, Polymer network dynamics during electrospinning and its effect on the fibers nanostructure, PhD thesis, Technion – Israel Institute of Technology, Haifa, 2013.
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Greenfeld I, Zussman E. Polymer Network Dynamics during Electrospinning: Random Walk Simulation, In: Mitchell GR (ed). Electrospinning: Principles, Practice and Possibilities, The Royal Society of Chemistry, 2015, 71-99.
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Greenfeld I, Zussman E. Controlling the Nanostructure of Electrospun Polmeric Fibers, In: Macagnano A, Zampetti E, Kny E (eds), Electrospinning for High Performance Sensors, Springer International Publishing, 2015, 35-64.
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Greenfeld I, Wagner HD, Nanocomposite toughness, strength and stiffness - the role of filler geometry, Nanocomposites 2015, (1), 3-17.
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Yang L,* Greenfeld I,* Wagner HD. Toughness of carbon nanotubes conforms to classic fracture mechanics. Science Advances, 2016 (2) 1-8. *equal contributors. Supporting info.
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Greenfeld I, Sui XM, Wagner HD. Stiffness, Strength, and Toughness of Electrospun Nanofibers: Effect of Flow-Induced Molecular Orientation. Macromolecules, 2016 (49), 6518-6530. Supporting info.
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Sui XM,* Greenfeld I,* Cohen H, Zhang XH, Li QW, Wagner HD. Multilevel composite using carbon nanotube fibers (CNTF). Composites Science and Technology 137, 35-43 (2016). *equal contributors. Supporting info.
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Greenfeld I, Zhang WY, Sui XM, Wagner HD. Intermittent beading in fiber composites. Composites Science and Technology 160, 21-31 (2018). Supporting info.
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Goldberg O, Greenfeld I, Wagner HD. Composite Reinforcement by Magnetic Control of Fiber Density and Orientation. Acs Appl Mater Inter 10, 16802-16811 (2018).
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Greenfeld I, Rodricks CW, Sui XM, Wagner D. Beaded fiber composites-Stiffness and strength modeling. Journal of the Mechanics and Physics of Solids 125, 384-400 (2019). Supporting info.
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Sui XM, Tiwari, M. , Greenfeld, I., Khalfin, R. L. , Meeuw, H. , Fiedler, B. , Wagner, H. D. Extreme scale-dependent tensile properties of epoxy fibers. eXPRESS Polymer Letters 13, 993–1003 (2019).
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Greenfeld, I.,* Kellersztein, I.,* Wagner, H.D. Nested helicoids in biological microstructures. Nat Commun 11, 1-12 (2020). *equal contributors. Supporting info.
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Nissenbaum, A., Greenfeld, I. ,Wagner, H.D. Shape memory polyurethane - Amorphous molecular mechanism during fixation and recovery. Polymer 190, 1-10 (2020). Supporting info.
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Goldberg O, Greenfeld, I. and Wagner, H.D. Efficient Toughening of Short-Fiber Composites Using Weak Magnetic Fields. Materials 13, 1-19 (2020).
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Kellersztein I,* Greenfeld I,* Wagner HD. Structural analysis across length scales of the scorpion pincer cuticle. Bioinspir Biomim 16, (2021). *equal contributors. Supporting info.
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Shneider M, Sui XM, Greenfeld I, Wagner HD. Electrospinning of epoxy fibers. Polymer 235, (2021).
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Nissenbaum A,* Greenfeld I,* Wagner HD. Evaporation-driven 3D CNT scaffolding for composite reinforcement. Carbon 173, 705-714 (2021). *equal contributors. Supporting info.
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Rodricks CW, Greenfeld I, Wagner HD. Polymer beads as interfacial obstacles in fibre composites. Composites Science and Technology 210, (2021).
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Rodricks CW, Greenfeld I, Fiedler B, Wagner HD. Fragmentation of Beaded Fibres in a Composite. Materials (Basel) 15, (2022).
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Greenfeld I,* Camposeo, A.,* et al. WO(3) Nanowires Enhance Molecular Alignment and Optical Anisotropy in Electrospun Nanocomposite Fibers: Implications for Hybrid Light-Emitting Systems. ACS Appl Nano Mater 5, 3654-3666 (2022). *equal contributors. Supporting info.
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Greenfeld I, Wagner HD. Crack deflection in laminates with graded stiffness-lessons from biology. Bioinspir Biomim 18, (2023).
Ghosh S, Greenfeld I, Daniel Wagner H. CNT coating and anchoring beads enhance interfacial adhesion in fiber composites. Composites Part A: Applied Science and Manufacturing 167, (2023).
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Shneider, M, Zattelman, R, Kaestner, A, Greenfeld, I, Wagner, HD, Electrospinning of epoxy fibers: Effect of curing conditions on solution rheological behavior. Journal of Applied Polymer Science 2023