Robert A. Riggleman

Principal Investigator

Google Scholar
Email
rrigobfuscate@seas.upenn.edu

Associate Professor of Chemical and Biomolecular Engineering

Education:

  • B.S. Engineering, University of South Carolina, 2002
  • Ph.D. Chemical and Biological Engineering, University of Wisconsin-Madison, 2007

Postdoctoral training:

  • Chemical and Biological Engineering, University of Wisconsin-Madison, 2007-2008
  • Chemical Engineering, University of California-Santa Barbara, 2009-2010

Publications

  1. The Role of Intra-molecular Relaxations on the Structure and Stability of vapor-Deposited Glasses
  2. Effect of Graft Length and Matrix Molecular Weight on String Assembly of Aligned Nanoplates in a Lamellar Diblock Copolymer
  3. Predicting the unobserved. A statistical mechanics framework for non-equilibrium material response with quantified uncertainty
  4. Role of Local Structure in the Enhanced Dynamics of Deformed Glasses
  5. Fracture of model end-linked networks
  6. Thickness-Dependent Mechanical Failure in Thin Films of Glassy Polymer Bidisperse Blends
  7. Lewis Adduct-Induced Phase Transitions in Polymer/Solvent Mixtures
  8. Load-bearing entanglements in polymer glasses
  9. Investigating Nanoparticle Organization in Polymer Matrices during Reaction-Induced Phase Transitions and Material Processing
  10. Effect of surface properties and polymer chain length on polymer adsorption in solution
  11. Chain and Segmental Dynamics in Polymer–Nanoparticle Composites with High Nanoparticle Loading
  12. Coarse-Grained Modeling of Polymer Nanocomposites: Field-Theoretic Simulations [Book Chapter]
  13. Conformation and dynamics of ring polymers under symmetric thin film confinement
  14. Dynamic phase transitions in freestanding polymer thin films
  15. Polymer Conformations and Diffusion through a Monolayer of Confining Nanoparticles
  16. Molecular View of Cavitation in Model-Solvated Polymer Networks
  17. Cavitation in Soft Matter
  18. Origin of Mechanical Enhancement in Polymer Nanoparticle (NP) Composites with Ultrahigh NP Loading
  19. Effect of Polymer-Nanoparticle Interactions on Solvent-driven Infiltration of Polymer (SIP) into Nanoparticle Packings: a Molecular Dynamics Study
  20. Experiments and Simulations Probing Local Domain Bulge and String Assembly of Aligned Nanoplates in a Lamellar Diblock Copolymer
  21. Equilibrium Field Theoretic Study of Nanoparticle Interactions in Diblock Copolymer Melts
  22. Increased Polymer Diffusivity in Thin-Film Confinement
  23. Distinguishing failure modes in oligomeric polymer nanopillars
  24. Phase Behavior of Grafted Polymer Nanocomposites from Field-Based Simulations
  25. Identifying structural signatures of shear banding in model polymer nanopillars
  26. Effects of microstructure formation on the stability of vapor-desposited glasses
  27. Polymer Conformations and Dynamics under Confinement with Two Length Scales
  28. Critical Contact Angle to Induce Capillary Rise of Polymers in Nanopores Does Not Depend on Chain Length
  29. Polymer Diffusion Is Fastest at Intermediate Levels of Cylindrical Confinement
  30. Effect of substrate interactions on the glass transition and length-scale of correlated dynamics in ultra-thin molecular glass films
  31. Emerging investigators in materials science 2017-2018
  32. Field-Theoretic Simulations of the Distribution of Nanorods in Diblock Copolymer Thin Films
  33. Structure-property relationships from universal signatures of plasticity in disordered solids
  34. Inverse design of grafted nanoparticles for targeted self-assembly
  35. Comparison of Field-Theoretic Approaches in Predicting Polymer Nanocomposite Phase Behavior
  36. Nanorod Mobility Influences Polymer Diffusion in Polymer Nanocomposites
  37. Perspective: Outstanding theoretical questions in polymer-nanoparticle hybrids
  38. Grafted polymer chains suppress nanoparticle diffusion in athermal polymer melts
  39. Field-theoretic simulations of block copolymer nanocomposites in a constant interfacial tension ensemble
  40. Nanoporous Polymer-Infiltrated Nanoparticle Films with Uniform or Graded Porosity via Undersaturated Capillary Rise Infiltration
  41. Solvent vapor annealing in block copolymer nanocomposite films: a dynamic mean field approach
  42. Long-range correlated dynamics in ultra-thin molecular glass films
  43. Understanding soft glassy materials using an energy landscape approach
  44. Isolating the Effect of Molecular Weight on Ion Transport of Non-Ionic Diblock Copolymer/Ionic Liquid Mixtures
  45. Engineering the Assembly of Gold Nanorods in Polymer Matrices
  46. Dispersion and alignment of nanorods in cylindrical block copolymer thin films
  47. Attraction of Nanoparticles to Tilt Grain Boundaries in Block Copolymers
  48. The dynamics of unentangled polymers during capillary rise infiltration into a nanoparticle packing
  49. Local Polymer Dynamics and Diffusion in Cylindrical Nanoconfinement
  50. Predicting the structure and interfacial activity of diblock brush, mixed brush, and Janus-grafted nanoparticles
  51. Entanglement Reduction and Anisotropic Chain and Primitive Path Conformations in Polymer Melts under Thin Film and Cylindrical Confinement
  52. The distribution of homogeneously grafted nanoparticles in polymer thin films and blends
  53. Understanding Plastic Deformation in Thermal Glasses from Single-Soft-Spot Dynamics
  54. Strain localization in glassy polymers under cylindrical confinement
  55. Size-Controlled Self-Assembly of Superparamagnetic Polymersomes
  56. Field theoretic simulations of polymer nanocomposites
  57. Effect of particle size and grafting density on the mechanical properties of polymer nanocomposites
  58. Influence of Backbone Rigidity on Nanoscale Confinement Effects in Model Glass-Forming Polymers
  59. Evolution of collective motion in a model glass-forming liquid during physical aging
  60. Heterogeneous Segmental Dynamics during Creep and Constant Strain Rate Deformations of Rod-Containing Polymer Nanocomposites
  61. Investigation of the interfacial tension of complex coacervates using field-theoretic simulations
  62. Dynamics and Deformation Response of Rod-Containing Nanocomposites
  63. Influence of Chain Stiffness on Thermal and Mechanical Properties of Polymer Thin Films
  64. Influence of Nanorod Inclusions on Structure and Primitive Path Network of Polymer Nanocomposites at Equilibrium and Under Deformation
  65. Mechanical properties of antiplasticized polymer nanostructures
  66. Field-theoretic simulations in the Gibbs ensemble
  67. Antiplasticization and the elastic properties of glass-forming polymer liquids
  68. Heterogeneous dynamics during deformation of a polymer glass
  69. Entanglement network in nanoparticle reinforced polymers
  70. Fluorinated Quaternary Ammonium Salts as Dissolution Aids for Polar Polymers in Environmentally Benign Supercritical Carbon Dioxide
  71. Deformation-Induced Mobility in Polymer Glasses during Multistep Creep Experiments and Simulations
  72. Dynamics of a Glassy Polymer Nanocomposite during Active Deformation
  73. Nonlinear Creep in a Polymer Glass
  74. Antiplasticization and local elastic constants in trehalose and glycerol mixtures
  75. Molecular plasticity of polymeric glasses in the elastic regime
  76. Free Volume and Finite-Size Effects in a Polymer Glass under Stress
  77. Characterization of the potential energy landscape of an antiplasticized polymer
  78. Tuning polymer melt fragility with antiplasticizer additives
  79. Influence of Confinement on the Fragility of Antiplasticized and Pure Polymer Films